Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Distributions from managed investment entities liabilities
Proceeds Received From Distributions of Managed Investment Entities Liabilities
Proceeds received from distributions of managed investment entities liabilities.
Proceeds from sales of fixed maturities
Proceeds from Sale of Debt Securities, Available-for-Sale
Revolving credit line
Line of Credit Facility, Maximum Borrowing Capacity
Purchases and issuances
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
Change in:
Increase (Decrease) in Operating Capital [Abstract]
Year 4, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Four, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the fourth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
Accident Year 2017
Short-Duration Insurance Contracts, Accident Year 2017 [Member]
Duration of options expiration, after date of grant
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period
Number of interest rate swaps entered into during the period
Number Of Interest Rate Swaps Entered During The Period
Number Of Interest Rate Swaps Entered During The Period
Award Type [Domain]
Award Type [Domain]
Sales and settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Fair Value as of Grant Date
Award Grant Date Fair Value
Investment, Name [Domain]
Investment, Name [Domain]
Debt and Equity Securities, FV-NI [Line Items]
Debt and Equity Securities, FV-NI [Line Items]
Investments
Disposal Group, Including Discontinued Operations, Investments
Total investments of discontinued operations included in a disposal group
Schedule of estimated fair values of assets acquired and liabilities assumed
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Purchases of businesses
Cash paid at purchase
Payments to acquire subsidiaries
Payments to Acquire Businesses, Gross
Available for sale fixed maturities and equity securities
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
Unrealized holding gains (losses) on pension and OPRP arising during the period, tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax
Deferred policy acquisition costs
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net
Foreign currency translation adjustments, tax
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Effect of stock-based compensation as a percentage of EBT
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent
Financial assets, beginning balance
Financial assets, ending balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Insider Trading Policies and Procedures [Line Items]
Options exercisable at December 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Lease payments due in 2028
Lessee, Operating Lease, Liability, to be Paid, Year Five
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Shareholders' Equity
Equity [Text Block]
Subordinated Debentures
Subordinated Debt [Member]
Significant Accounting Policies [Line Items]
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
Statutory Accounting Practices [Table]
Statutory Accounting Practices [Table]
Effect of adjustments to prior year taxes
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount
Operating loss carryforward expiration dates [Axis]
Operating Loss Carry Forward Expiration Dates [Axis]
Operating loss carry forward Expiration Dates.
Audit Information [Abstract]
Auditor information
Federal
Deferred Federal Income Tax Expense (Benefit)
Proceeds from sales of businesses
Proceeds from Divestiture of Businesses
Average exercise price, Forfeited/Cancelled
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Cash dividends paid on Common Stock
Payments of Ordinary Dividends, Common Stock
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]
Diluted (USD per share)
Earnings Per Share, Diluted
Schedule of Investments [Table]
Schedule of Investments [Table]
Net proceeds from sale of businesses
Disposal Group, Including Discontinued Operations, Proceeds from Divestiture of Businesses, Net of Expenses
The proceeds from divestiture of businesses classified as discontinued operations, net of expenses paid
Beginning balance
Ending balance
Reinsurance Recoverable, Allowance for Credit Loss
Reclassification adjustment for investment income included in net earnings
Reclassification adjustment for investment income included in net earnings from discontinued operations, after tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Trading Symbol
Trading Symbol
4.50% Subordinated Debentures due September 2060
Subordinated Debentures due in September 2060 [Member]
Subordinated Debentures due in September 2060
Year 8
Short-Duration Insurance Contracts, Historical Claims Duration, Year Eight
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Total net unrealized gains (losses) on securities, tax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Future amortization of intangibles after year five
Finite-Lived Intangible Asset, Expected Amortization, after Year Five
Write-offs charged against the allowance
Reinsurance, Loss on Uncollectible Accounts in Period, Amount
SOFR
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Management fees paid to AFG
Management Fees Paid by Variable Interest Entities
Management fees paid by variable interest entities.
Shares exchanged — benefit plans, shares
Stock Repurchased Shares Exchanged in Stock Compensation Plans, Shares
Repurchased shares exchanged in stock compensation plans, shares
Proceeds from sales and settlements of equity index call options and other investments
Proceeds from Sale and Maturity of Other Investments
Investments
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Shareholders’ equity:
Equity, Attributable to Parent [Abstract]
Short-duration Insurance Contracts, Historical Claims Duration [Table]
Short-Duration Insurance Contracts, Historical Claims Duration [Table]
Total IBNR Plus Expected Development on Reported Claims
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net
Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Executive Category:
Executive Category [Axis]
After five years through ten years
Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value Percent
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value, Percent.
Reinsurance ceded
Ceded Premiums Written
Changes in asset balances of Level 3 financial assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Reinsurance and other receivables
Increase (Decrease) in Reinsurance and Other Receivables
Increase (Decrease) in reinsurance, agent's balances and premiums receivable and other receivables.
Income of managed investment entities:
Income (Loss) of Managed Investment Entities [Abstract]
Income (loss) of managed investment entities.
Dividends [Domain]
Dividends [Domain]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Accounting Policies
Significant Accounting Policies [Text Block]
Average exercise price, Exercised
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Level 1
Fair Value, Inputs, Level 1 [Member]
Total deferred tax assets
Deferred Tax Assets, Net of Valuation Allowance
Carrying Value
Reported Value Measurement [Member]
Statement, Equity Components [Axis]
Equity Components [Axis]
Equity Components [Axis]
Financial Instruments [Domain]
Financial Instruments [Domain]
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Credit Losses on Financial Instruments
Credit Loss, Financial Instrument [Policy Text Block]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Investment Type [Axis]
Investment Type [Axis]
Contingent consideration - acquisitions
Contingent Consideration - Acquisitions [Member]
Contingent consideration of acquisitions.
Current year
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year
Purchases of investments
Purchases of Investments by Managed Investment Entities
The cash outflow from the purchase of investments by managed investment entities.
Scheduled principal payments on debt in year two
Long-Term Debt, Maturity, Year Two
Level 3 assets that were priced using non-binding broker quotes
Level Three Assets That Were Priced Using Non Binding Broker Quotes
Level three assets that were priced using non-binding broker quotes.
Entity Small Business
Entity Small Business
Future amortization of intangibles in year four
Finite-Lived Intangible Asset, Expected Amortization, Year Four
Investments [Domain]
Investments [Domain]
Local Phone Number
Local Phone Number
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Derivative, notional amount
Derivative, Notional Amount
Federal net operating loss carryforwards
Deferred Tax Assets, Operating Loss Carryforwards, Domestic
Effects of Reinsurance [Line Items]
Effects of Reinsurance [Line Items]
Summary of restricted stock awards
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Effect of stock-based compensation
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount
Equity securities reported at fair value
Marketable Securities [Table Text Block]
Level 3 assets as a percentage of total assets measured at fair value
Level Three Asset As Percentage Of Asset Measured At Fair Value
Level Three Asset As Percentage Of Asset Measured At Fair Value.
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Schedule of long-term debt instruments
Schedule of Long-Term Debt Instruments [Table Text Block]
Insurance claims and reserves
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Policyholder Liabilities
Summary of Carrying value of long-term debt
Summary Of Carrying Value Of Long Term Debt [Abstract]
Summary of Carrying value of long-term debt.
New collateralized loan obligation entities
New Collateralized Loan Obligation Entities [Member]
New collateralized loan obligation entities.
Property and casualty insurance
Property and Casualty Insurance [Member]
Property and casualty insurance.
Equity method investments
Equity Method Investments [Table Text Block]
Cash and cash equivalents
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents
Gross realized gains and losses on the sale of available for sale fixed maturity security investments
Debt Securities, Available-for-Sale, Realized Gain (Loss) [Abstract]
Other unpaid losses and LAE, net of reinsurance
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Claim Adjustment Expense, Other Reconciling Item
After ten years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10
Managed Investment Entities
Consolidation, Variable Interest Entity, Policy [Policy Text Block]
Total revenues
Revenues
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Other expenses
Disposal Group, Including Discontinued Operation, Other Expense
American Premier and its subsidiaries
American Premier And Its Subsidiaries [Member]
American Premier and its subsidiaries.
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Award Type [Axis]
Award Type [Axis]
Anti-dilutive potential common shares related to stock-based compensation plans
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Preferred Stock, par value
Preferred Stock, No Par Value
Condensed Financial Statements, Captions [Line Items]
Condensed Financial Statements, Captions [Line Items]
Dividend reinvestment plan, shares
Stock Issued During Period, Shares, Dividend Reinvestment Plan
Total payments
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy and NAV [Domain]
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
Hedging Designation [Axis]
Hedging Designation [Axis]
Goodwill [Line Items]
Goodwill [Line Items]
Right-of-use assets obtained under new leases
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Less: future lease payments impact of discounting
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Internally developed Level 3 assets
Internally Developed Level 3 Assets
Level 3 assets in which the fair value was developed internally.
Percent of real estate-related investments by property type
Real-estate Related Investments, Percent, By Property Type
Percent of real-estate related investments by property type
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Components of income tax provision (credit)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Accident Year 2021
Short-Duration Insurance Contract, Accident Year 2021 [Member]
Commitments to fund credit facilities and limited partnerships
Unfunded Commitments to Credit Facilities and Limited Partnerships
Represents commitments to fund credit facilities and contribute capital to certain limited partnership investments at a future date.
Real Estate [Domain]
Real Estate [Domain]
Lease payments due in 2026
Lessee, Operating Lease, Liability, to be Paid, Year Three
Unearned premiums
Unearned Premiums
5.625% Subordinated Debentures due June 2060
Subordinated Debentures Due In June 2060 [Member]
Subordinated Debentures Due In June 2060
Schedule of weighted-average remaining lease term and weighted-average discount rate
Schedule of Weighted-Average Remaining Lease Term and Weighted-Average Discount Rate [Table Text Block]
Tabular disclosure of the weighted-average remaining lease term and weighted-average discount rate
Amortizable intangible assets related to acquisitions
Finite-Lived Intangible Assets, Net
Insurance claims and reserves transition liability
Deferred Tax Liabilities, Discounted Insurance Claims and Reserves Transition Adjustment
Amount of reasonable estimate of deferred tax liability related to the transition to revised interest rates and payout factors used in discounting loss reserves as modified by the TCJA.
Earnings from real-estate related investments, net of DAC
Earnings from Real-Estate Related Investments, net of DAC
Earnings from real-estate related investments, net of DAC
Accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Lease payments due in 2025
Lessee, Operating Lease, Liability, to be Paid, Year Two
Insurance [Abstract]
Insurance [Abstract]
Face value of liabilities issued by managed investment entities on issuance date
Face Value Of Liabilities Issued By Managed Investment Entities On Issuance Date
Face value of liabilities issued by managed investment entities.
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Income (losses) subject to tax in foreign jurisdictions
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Total purchase price
Business Combination, Consideration Transferred
Effect of nondeductible expenses
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount
Security Exchange Name
Security Exchange Name
Percentage of investment of most subordinate debt tranche, Minimum
Percentage of Investment of Most Subordinate Debt Tranche of Variable Interest Entity Minimum
Minimum percentage of investment of most subordinate debt tranche of variable interest entity.
Stock-Based Compensation
Share-Based Payment Arrangement [Policy Text Block]
Schedule of Investment Income, Reported Amounts, by Category [Table]
Investment Income [Table]
5.25% Senior Notes due April 2030
Senior Notes Due In April 2030 [Member]
Senior Notes due in April 2030
Fair value, Total, Percent
Available For Sale Securities Debt Maturities Fair Value Percent
Available-for-sale Securities, Debt Maturities, Fair Value, Total, Percent.
Commissions and other underwriting expenses
Selling, General and Administrative Expense
Effect of dividend received deduction as a percentage of EBT
Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent
Accumulated other comprehensive income (loss), net of tax
Reclassify AOCI
AOCI beginning balance
AOCI ending balance
Accumulated Other Comprehensive Income (Loss), Net of Tax
Stock option vesting rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Accident Year 2019
Short-Duration Insurance Contract, Accident Year 2019 [Member]
Stock Options
Employee Stock Option [Member]
Derivatives
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Investments
Investment, Policy [Policy Text Block]
Effect of employee stock ownership plan dividend paid deduction
Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Amount
Interest included in tax provision
Unrecognized Tax Benefits, Interest on Income Taxes Expense
Senior Notes, amount of the original debt instrument that was redeemed
Debt Instrument, Repurchased Face Amount
Maximum
Maximum [Member]
Cumulative Percentage Paid of Incurred Claims and Allocated LAE, Net of Reinsurance
Short-duration Insurance Contracts, Cumulative Percentage Paid of Incurred Claims and Allocated Claim Adjustment Expense, Net
The cumulative percentage paid of incurred claims and allocated LAE, net of reinsurance.
Unrecognized compensation expense related to equity-based awards that have yet to vest
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Depreciation and amortization
Depreciation, Amortization and Accretion, Net
Document Type
Document Type
Interest and Amortization [Domain]
Interest and Amortization [Domain]
Interest and Amortization [Domain]
Goodwill acquired during period
Goodwill, Acquired During Period
Total costs and expenses
Benefits, Losses and Expenses
Tabular List, Table
Tabular List [Table Text Block]
Scheduled principal payments on debt after year five
Long-Term Debt, Maturity, after Year Five
Aggregate fair value of investment in collateralized loan obligations
Investment in CLO tranches, beginning balance
Investment in CLO tranches, ending balance
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
Net transfers from variable annuity assets
Net Transfers From To Separate Accounts
Net transfers from (to) separate accounts related to variable annuity assets.
Annuity subsidiaries
Annuity Subsidiaries [Member]
Annuity subsidiaries to be sold
Net unrealized gains (losses) on securities:
Debt Securities, Unrealized Gain (Loss) [Abstract]
Federal
Current Federal Tax Expense (Benefit)
Allowance for Credit Losses [Roll Forward]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Purchases of fixed maturities
Payments to Acquire Debt Securities, Available-for-Sale
After ten years
Available For Sale Securities Debt Maturities After Ten Years Fair Value Percent
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value, Percent.
Business Acquisition [Axis]
Business Acquisition [Axis]
Sales of managed investment entities liabilities
Proceeds Received Related to Sales of Managed Investment Entities Liabilities
Proceeds received related to sales of managed investment entities liabilities during the period
Costs and Expenses:
Benefits, Losses and Expenses [Abstract]
Variable Rate [Axis]
Variable Rate [Axis]
Forfeited/Cancelled
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Net investment income
Net investment income
Net Investment Income
Title of 12(b) Security
Title of 12(b) Security
Other liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other
Discontinued Operations
Discontinued Operations, Policy [Policy Text Block]
Unallocated LAE
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Claims Adjustment Expense, Accumulated Unallocated Claim Adjustment Expense
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Sublease income
Sublease Income
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Collateralized loan obligations
Collateralized Loan Obligations [Member]
Average grant date fair value, Outstanding, Beginning balance
Average grant date fair value, Outstanding, Ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Net written premiums
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Written
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Purchases of real estate, property and equipment
Purchases of Real Estate, Property and Equipment
The cash outflow associated with the purchase of real estate held for investment purposes and cash flows associated with the acquisition of long-lived, physical assets that are used in the normal course of business.
Collateralized loan obligations and other asset backed securities
Collateralized loan obligations and other asset backed securities [Member]
Collateralized loan obligations and other asset backed securities
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Foreign currency translation and other
Liability for Unpaid Claims and Claims Adjustment Expense, Foreign Currency Translation Gain (Loss)
Unrealized holding gains (losses) on securities arising during the period, tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
Entity Tax Identification Number
Entity Tax Identification Number
Net earned premiums
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue
Accident Year 2022
Short-Duration Insurance Contract, Accident Year 2022 [Member]
Total lease expense, net of sublease income
Lease, Cost
Total costs and expenses
Disposal Group, Including Discontinued Operation, Operating Expense
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Dividends from subsidiaries
Equity in Distributed Pretax Earnings of Consolidated Subsidiaries
Portion of equity in pretax earnings of consolidated subsidiaries that was distributed from subsidiaries as a dividend.
Operating Activities [Domain]
Operating Activities [Domain]
Entity Interactive Data Current
Entity Interactive Data Current
Gross realized gains and losses on available for sale fixed maturity and equity security investments
Schedule of Realized Gain (Loss) [Table Text Block]
Long-Term Debt
Long-Term Debt [Text Block]
Debt Securities, Available-for-sale [Table]
Debt Securities, Available-for-Sale [Table]
Proceeds from repayments of mortgage loans
Proceeds from Sale and Collection of Mortgage Notes Receivable
Effect of employee stock ownership plan dividend paid deduction as a percentage of EBT
Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Percent
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Transfer into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
Other assets
Other Assets [Member]
Year 5
Short-Duration Insurance Contracts, Historical Claims Duration, Year Five
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Annuity benefits
Disposal Group, Including Discontinued Operations, Annuity Benefits
Annuity benefits of discontinued operations included in a disposal group
Measure:
Measure [Axis]
Sale of annuity business
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Disposition of Subsidiaries
Fair value measurement with unobservable inputs reconciliation, recurring basis, liability, disposition of subsidiaries
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Name
Outstanding Recovery, Individual Name
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]
Short-Duration Insurance Contracts, Historical Claims Duration [Line Items]
Expiring 2024 - 2041
Expiration Date One [Member]
Expiration date one.
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Disclosure of supplemental Balance Sheet information related to leases
Disclosure Of Supplemental Balance Sheet Information Related To Leases [Table Text Block]
Tabular disclosure of supplemental balance sheet information related to leases
Total assets of discontinued annuity operations
Disposal Group, Including Discontinued Operation, Assets
Components of deferred tax assets and liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Total return swap
Total Return Swap [Member]
Derivatives
Derivatives, Policy [Policy Text Block]
Investment income
Investment Income of Managed Investment Entities
Investment income of managed investment entities.
Future amortization of intangibles in next year
Finite-Lived Intangible Asset, Expected Amortization, Year One
Cash paid for lease liabilities reported in operating cash flows
Operating Lease, Payments
Total net unrealized gains (losses) on securities
Total net unrealized gains (losses) on securities
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
Common Stock, shares outstanding
Beginning balance, shares
Ending balance, shares
Common Stock, Shares, Outstanding
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Real estate and other investments
Real estate and other investments
Other Investments
Premium Receivable, Allowance for Credit Loss [Roll Forward]
Premium Receivable, Allowance for Credit Loss [Roll Forward]
Transfer out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
Dividends
Dividends
Liabilities of managed investment entities
Variable Interest Entity, Liabilities
Variable Interest Entity, Liabilities
PEO
PEO [Member]
Auditor Location
Auditor Location
Other expenses
Other Cost and Expense, Operating
Other operating activities, net
Other Operating Activities, Cash Flow Statement
Foreign underwriting losses
Deferred Tax Assets, Operating Loss Carryforwards, Foreign
Year 2
Short-Duration Insurance Contracts, Historical Claims Duration, Year Two
Schedule of Variable Interest Entities [Table]
Schedule of Variable Interest Entities [Table]
Equity index call options
Call Option [Member]
Net cash provided by (used in) investing activities
Net Cash Provided by (Used in) Investing Activities
Other specialty
Specialty Other Insurance [Member]
Specialty Other Insurance.
Equity securities, at fair value
Equity securities
Equity Securities, FV-NI, Current
Income Tax Reconciliation [Line Items]
Income Tax Reconciliation [Line Items]
Income Tax Reconciliation.
Reclassification adjustment for investment income included in net earnings from discontinued operations, pretax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax
Other operating expenses
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense
Interest rate swaps
Interest Rate Swap [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Number of fixed maturities in an unrealized loss position
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions
Net earnings from continuing operations
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Total liabilities of discontinued annuity operations
Disposal Group, Including Discontinued Operation, Liabilities
Shares acquired and retired
Stock Repurchased and Retired During Period, Value
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Deferred tax liabilities:
Deferred Tax Liabilities, Gross [Abstract]
Unfunded commitments to limited partnerships
Unfunded Commitments To Limited Partnerships
Represents commitments to contribute capital to certain limited partnership investments at a future date.
Total net unrealized gains (losses) on cash flow hedges, tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax
Total liabilities
Liabilities
Holding gains (losses) on equity securities still held
Holding Gains (Losses) on Equity Securities Still Held [Table Text Block]
Tabular disclosure of holding gains (losses) on equity securities still held.
Annuity surrenders, benefits and withdrawals
Repayments of Annuities and Investment Certificates
Investment income
Investment Income [Member]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Reinsurance assumed
Assumed Premiums Earned
New collateralized loan obligation, temporary warehousing entities
New Collateralized Loan Obligation Temporary Warehousing Entities [Member]
New collateralized loan obligation temporary warehousing entities
Operating Activities [Axis]
Operating Activities [Axis]
Accident Year 2014
Short-Duration Insurance Contracts, Accident Year 2014 [Member]
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
holding gains (losses) on equity securities still held
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Foreign currency translation adjustments, pretax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax
Other comprehensive income (loss), pretax
Other Comprehensive Income (Loss), before Tax
Fair value - less than twelve months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months
Net earnings (loss) from discontinued operations
Discontinued Operations [Member]
Short-duration Insurance Contracts, Accident Year [Domain]
Short-Duration Insurance Contracts, Accident Year [Domain]
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
State
Current State and Local Tax Expense (Benefit)
Segments of Operations
Segment Reporting, Policy [Policy Text Block]
Investment in subsidiaries
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
Perpetual preferred stocks
Preferred Stock [Member]
Fixed maturities, trading at fair value
Trading fixed maturities
Debt Securities, Trading
Equity securities
Equity Securities [Member]
Contingent consideration — acquisitions
Business Combination, Contingent Consideration, Liability
Property and casualty insurance net earned premiums
Net earned premiums
Premiums Earned, Net, Property and Casualty
Retirement and employee savings plan expense
Other Postretirement Benefits Cost (Reversal of Cost)
Interest and Amortization [Axis]
Interest and Amortization [Axis]
Interest and amortization
Other liabilities
Other Liabilities
Earnings Per Share
Earnings Per Share, Policy [Policy Text Block]
Equity securities in Level 3 priced using broker quotes and internal models
Level Three Assets, Equity Securities, Priced Using Broker Quotes And Internal Models
Level three assets, equity securities priced using broker quotes and internal models
Goodwill and Other Intangibles
Goodwill and Intangible Assets Disclosure [Text Block]
Financial liabilities, beginning balance
Financial liabilities, ending balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Purchases of mortgage loans
Payments to Acquire Mortgage Notes Receivable
Current taxes:
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Components of accumulated other comprehensive income (loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Average grant date fair value, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Future amortization of intangibles in year five
Finite-Lived Intangible Asset, Expected Amortization, Year Five
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
U.S. Government and government agencies
U.S. government agency
US Treasury and Government [Member]
Other asset-backed securities
Other asset-backed securities
Asset-Backed Securities [Member]
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Aggregate intrinsic value, Options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Percentage of equity securities in Level 3 priced using broker quotes and internal models
Percentage Of Level Three Assets, Equity Securities, Priced Using Broker Quotes And Internal Models
Percentage of level three assets, equity securities priced using broker quotes and internal models
Class of Stock [Axis]
Class of Stock [Axis]
Entities [Table]
Entities [Table]
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Gains (losses) on change in fair value of assets/liabilities:
Gains (Losses) on Change in Fair Value of Assets/ Liabilities of Collateralized Loan Obligations [Abstract]
Gains losses on change in fair value of assets liabilities collateralized loan obligations.
Reclassification adjustment for pension settlement loss included in net earnings
Reclassification adjustment for pension settlement loss included in net earnings
Other Comprehensive Income (Loss), Defined Benefit Plan, Pension Settlement, Reclassification Adjustment from AOCI, after Tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Pension Settlement, Reclassification Adjustment from AOCI, after Tax
Deferred annuity and life policy acquisition costs
Deferred Annuity and Life Policy Acquisition Costs
Annuity and Life additions during the period in (a) capitalized costs that vary with and are primarily related to the acquisition of new and renewal insurance contracts and coverage, and (b) capitalized present value of future profits (also known as value of business acquired).
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
Short-duration Insurance Contracts, Claim Duration [Domain]
Short-Duration Insurance Contracts, Claim Duration [Domain]
Entity Information [Line Items]
Entity Information [Line Items]
Provision for income taxes on operations
Discontinued Operation, Tax Effect of Discontinued Operation
Accident Year 2023
Short-Duration Insurance Contract, Accident Year 2023 [Member]
Capital and Surplus
Statutory Accounting Practices, Statutory Capital and Surplus, Balance
Business Combination and Asset Acquisition [Abstract]
Gross gains
Debt Securities, Available-for-Sale, Realized Gain
Number of collateralized loan obligation entities
Number of Collateralized Loan Obligation Entities
Number of collateralized loan obligation entities.
Total cash and investments
Investments and Cash
Net unrealized gain (loss) on available for sale fixed maturities
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax
Goodwill, impairment loss
Goodwill, impairment loss
Goodwill, Impairment Loss
Deferred policy acquisition costs
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost
Valuation allowance against deferred tax assets
Deferred Tax Assets, Valuation Allowance
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Accident Year 2018
Short-Duration Insurance Contracts, Accident Year 2018 [Member]
Liabilities
Gain (Loss) on Change in Fair Value of Liabilities of Variable Interest Entities
Gain (loss) on change in fair value of liabilities of variable interest entities.
Subsegments [Axis]
Subsegments [Axis]
Foreign currency translation adjustments
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Accumulated net gain (loss) on cash flow hedges attributable to parent
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Total liabilities acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Managed Investment Entities
Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Text Block]
The entire disclosure of consolidation and basis of presentation of variable interest entities, in which the registrant is deemed to be the primary beneficiary, even though it does not hold a majority voting interest.
Entity Emerging Growth Company
Entity Emerging Growth Company
United Kingdom
UNITED KINGDOM
Shares exchanged — benefit plans
Stock Repurchased Shares Exchanged in Stock Compensation Plans, Value
Stock repurchased, shares exchanged in stock compensation plans, value.
Property and Casualty Group
Property And Casualty Group [Member]
Property and casualty group.
Discount and Issue Costs
Debt Issuance Costs, Net
Fair Value, Fiscal Year Maturity [Abstract]
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract]
Carrying value of cash and securities owned by U.S.-based insurance subsidiaries on deposit
Assets Held by Insurance Regulators
Insurance [Table]
insurance [Table]
insurance
Total deferred tax assets before valuation allowance
Deferred Tax Assets, Gross
Continuing operations
Continuing Operations [Member]
Year 9, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the ninth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
AFG
Parent Company [Member]
Intangible assets acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Lease payments due in 2024
Lessee, Operating Lease, Liability, to be Paid, Year One
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Title
Trading Arrangement, Individual Title
Fixed maturities fair value, Subtotal, Percent
Available-for-sale Securities, Debt Maturities Excluding ABS and MBS, Fair Value, Percent
Available for sale securities debt maturities excluding ABS and MBS fair value percent.
Maximum amount of dividends available to be paid by insurance subsidiaries to AFG without prior approval of regulatory authorities
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval
Common stocks
Common Shares
Common Stock [Member]
Total pension and OPRP adjustments
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Individual:
Individual [Axis]
Basic (USD per share) from discontinued operations
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Income Statement Location [Domain]
Income Statement Location [Domain]
Other
Other Reserves [Member]
Other reserves, including discontinued operations.
Changes in liability balances of Level 3 financial liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Losses and loss adjustment expenses
Policyholder Benefits and Claims Incurred, Net, Property, Casualty and Liability
Effect of tax exempt interest
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount
Selected financial information related to collateralized loan obligations
Financial Information Related to Collateralized Loan Obligations [Abstract]
Financial information related to collateralized loan obligations.
Investments:
Investments [Abstract]
Minimum
Minimum [Member]
Average number of Common Shares:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Liabilities of discontinued annuity operations
Liabilities of Discontinued Annuity Operations [Member]
Liabilities of discontinued annuity operations that are held for sale
Private equity funds
Equity Method Investments, Private Equity Funds [Member]
Equity Method Investments, Private Equity Funds
Change in Fair Value [Domain]
Change in Fair Value [Domain]
Change in Fair Value [Domain]
Other comprehensive income (loss), net of tax
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
New interest rate swaps entered during the period
New Interest Rate Swaps Entered During Period [Member]
New interest rate swaps entered during the period
Contingent consideration possible to be paid, maximum
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Gains (losses) on interest rate swaps expected to be reclassified from AOCI to net earnings over the next 12 months.
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months
Consolidated Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Assets:
Assets [Abstract]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Total losses and LAE incurred
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims
Mortgage loans and other investments
Mortgage Loans And Other Investments [Member]
Mortgage loans and other investments.
After ten years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
Tangible assets acquired:
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Derivatives included in the Balance Sheet at fair value
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Verikai, Inc.
Verikai, Inc. [Member]
Verikai, Inc.
Deferred tax assets:
Deferred Tax Assets, Net [Abstract]
Other, net
Deferred Tax Assets, Other
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Reclassify net deferred tax asset
Disposal Group, Including Discontinued Operations, Reclassification of Net Deferred Tax Assets
Disposal group including discontinued operations, reclassification of net deferred tax assets
Contingencies
Commitments and Contingencies Disclosure [Text Block]
Diluted (USD per share) from continuing operations
Income (Loss) from Continuing Operations, Per Diluted Share
Other investing activities, net
Payments for (Proceeds from) Other Investing Activities
Retained Earnings
Retained Earnings [Member]
Goodwill deductible for tax purposes
Business Acquisition, Goodwill, Expected Tax Deductible Amount
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Total net unrealized gains (losses) on cash flow hedges
Total net unrealized gains (losses) on cash flow hedges
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Basic (USD per share)
Earnings Per Share, Basic
Reinsurance, amount retained, per event
Reinsurance, Amount Retained, Per Event
Other liabilities
Disposal Group, Including Discontinued Operation, Other Liabilities
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Net of tax
Marketable Securities [Member]
Marketable Securities.
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Total pretax
Pretax [Member]
Total Pretax.
Year 7
Short-Duration Insurance Contracts, Historical Claims Duration, Year Seven
Net deferred tax asset
Deferred Tax Assets, Net
Investments, property and equipment
Purchases of Investments, Property and Equipment
The cash outflow associated with the purchase of investments, property and equipment.
Total intrinsic value of options exercised
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Beginning balance
Ending balance
Premium Receivable, Allowance for Credit Loss
Gross unrealized losses on securities by investment category and length of time that have been in a continuous unrealized loss position
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]
Ceded annuity receipts
Annuity Receipts Ceded
Annuity receipts ceded to third parties
Amortization of deferred policy acquisition costs
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost
Reinsurance assumed
Assumed Premiums Written
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Document Transition Report
Document Transition Report
Award Timing Predetermined
Award Timing Predetermined [Flag]
Crop Insurance Contract, Crop Year 2022
Crop Insurance Contract, Crop Year 2022 [Member]
Crop Insurance Contract, Crop Year 2022
Total financial assets not accounted for at fair value
Financial Assets Not Accounted For At Fair Value
Total financial assets not accounted for at fair value.
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Change in accrued interest of ownership of managed investment entities liabilities
Change in Accrued Interest of Managed Investment Entities Liabilities Owned
Change in accrued interest of managed investment entities liabilities that are owned by the company
Reclassification adjustment for investment income included in net earnings from discontinued operations, tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
Dividend reinvestment plan
Stock Issued During Period, Value, Dividend Reinvestment Plan
Increase in allowance from acquisition of CRS
Premium Receivable, Allowance for Credit Loss, Period Increase (Decrease)
Payments for losses and LAE of:
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract]
Entity Public Float
Entity Public Float
Net investment income earned and investment expenses incurred
Investment Income [Table Text Block]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Instrument Risk [Axis]
Derivative Instrument [Axis]
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Reinsurance recoverables on asbestos and environmental reserves, net of allowance
Less reinsurance recoverables, net of allowance
Add back reinsurance recoverables, net of allowance
Reinsurance recoverables, net of allowance
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments
Total net unrealized gains (losses) on cash flow hedges, pretax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax
Principal
Long-Term Debt, Gross
Number of CLOs substantially liquidated during the period
Number Of Collateralized Loan Obligation Entities Substantially Liquidated During The Period
Number of collateralized loan obligation entities substantially liquidated during the period
Level 3 assets that were priced using a discounted cash flow approach
Level Three Assets That Were Priced Using A Discounted Cash Flow Approach
Level three assets that were priced using a discounted cash flow approach.
Assets
Gain (Loss) on Change in Fair Value of Assets of Variable Interest Entities
Gain (loss) on change in fair value of assets of variable interest entities.
Liability Class [Axis]
Liability Class [Axis]
Liability Class [Axis]
All Trading Arrangements
All Trading Arrangements [Member]
One year or less
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Realized before impairments
Marketable Security, Realized Gain (Loss)
Percentage of level 3 assets that were priced using non-binding broker quotes
Percentage Of Level Three Assets That Were Priced Using Non-Binding Broker Quotes
Percentage of level 3 assets that were priced using non-binding broker quotes.
Property and casualty insurance underwriting
Property and Casualty Insurance Underwriting Income (Loss)
Underwriting income (loss) for the property and casualty insurance segment, which is calculated as premiums earned less losses and loss adjustment expenses less commissions and other underwriting expenses.
Compensation Amount
Outstanding Recovery Compensation Amount
Cumulative Number of Reported Claims
Short-Duration Insurance Contract, Cumulative Number of Reported Claims
Excess purchase price over net tangible assets acquired
BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedExcessPurchasePriceOverNetTangibleAssetsAcquired
Business combination recognized identifiable assets acquired and liabilities assumed excess purchase price over net tangible assets acquired
3.50% Senior Notes due August 2026
Senior Notes Due In August 2026 [Member]
Senior Notes due in August 2026.
Receivable for collateral posted related to swaps
Receivable for Collateral Posted Related to Swaps
Receivable for collateral posted related to swaps
Write-offs charged against the allowance
Premium Receivable, Allowance for Credit Loss, Writeoff
Other assets — derivatives
Derivative asset
Derivative Asset
Average grant date fair value, Forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Restricted stock awards
Stock Issued During Period, Value, Restricted Stock Award, Gross
Cash received from the exercise of stock options
Proceeds from Stock Options Exercised
Statement of Other Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Statutory information
Statutory Accounting Practices Disclosure [Table Text Block]
Gross written premiums
Premiums Written, Gross
Workers' Compensation Insurance
Workers' Compensation Insurance [Member]
Total income tax expense on gain on sale of subsidiaries
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation
Document Financial Statement Error Correction [Flag]
Document Financial Statement Error Correction [Flag]
Forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Specialty casualty
Specialty Casualty Insurance [Member]
Specialty casualty.
Scheduled principal payments on debt in next year
Long-Term Debt, Maturity, Year One
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Tax liabilities triggered by the sale
Operating Tax Liabilities Triggered by Pending Sale
Operating tax liabilities that are triggered by pending sale of businesses
Other assets
Other Assets
Year 3, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Three, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the third year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
Weighted average common shares adjustment related to stock-based compensation
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
Liability for environmental and other claims
Accrual for Environmental Loss Contingencies
Holding gains (losses) on equity securities
Equity Securities, FV-NI, Unrealized Gain (Loss)
Document Period End Date
Document Period End Date
Increase in allowance from acquisition of CRS
Reinsurance Recoverable, Allowance for Credit Loss, Period Increase (Decrease)
Adoption Date
Trading Arrangement Adoption Date
Direct premiums written
Direct Premiums Written
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
Provision for income taxes
Provision for income taxes as shown in the Statement of Earnings
Income Tax Expense (Benefit)
Designated as hedging instrument
Designated as Hedging Instrument [Member]
Catastrophe reinsurance coverage, excess retention percentage
Reinsurance, Excess Retention, Percentage
Vesting [Axis]
Vesting [Axis]
Fair Value Measurements
Fair Value Disclosures [Text Block]
5.875% Subordinated Debentures due March 2059
Subordinated Debentures Due In March 2059 [Member]
Subordinated Debentures Due In March 2059
Unrealized loss - twelve months or more
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale [Line Items]
Reclassification adjustment for realized (gains) losses included in net earnings
Reclassification adjustment for realized (gains) losses included in net earnings, after tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
Weighted-average remaining lease term
Operating Lease, Weighted Average Remaining Lease Term
Net tangible assets acquired, at fair value
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Specialty financial
Specialty Financial Insurance [Member]
Specialty Financial.
Year five
Share-Based Payment Arrangement, Tranche Five [Member]
Share-Based Payment Arrangement, Tranche Five
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Other
Other Long-term Debt [Member]
Other Long-term Debt.
Year 6
Short-Duration Insurance Contracts, Historical Claims Duration, Year Six
Unrealized loss - less than twelve months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Cash and cash equivalents
Cash and cash equivalents
Cash and cash equivalents at beginning of year
Cash and cash equivalents at end of year
Cash and Cash Equivalents, at Carrying Value
Investment and other income, net
Investment and Other Income, Net
Net investment income plus other income less other expenses.
Carrying value and fair value of financial instruments that are not carried at fair value
Financial Instruments Financial Assets And Liabilities Balance Sheet Groupings [Abstract]
Financial instruments financial assets and liabilities balance sheet groupings.
Shares acquired and retired, shares
Stock Repurchased and Retired During Period, Shares
Sale related expenses
Disposal Group, Including Discontinued Operations, Expenses from Divestiture of Businesses
Expenses associated with the disposal of a discontinued operation
Interest rate on revolving debt facility
Debt Instrument, Basis Spread on Variable Rate
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Effect of change in valuation allowance (excluding change in tax rate) as a percentage of EBT
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Effect of dividends received deduction
Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount
Year 9
Short-Duration Insurance Contracts, Historical Claims Duration, Year Nine
Equity securities, fair value in excess of cost
Equity Securities, FV-NI, Fair Value in Excess of Cost
Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI) in excess of the cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.
Aggregate fair value of investment in temporary warehousing entities of collateralized loan obligations
Variable Interest Entity, Primary Beneficiary, Maximum Loss Exposure, Amount
Capital surplus
Additional Paid in Capital, Common Stock
Unrealized holding gains (losses) on cash flow hedges arising during the period
Unrealized holding gains (losses) on cash flow hedges arising during the period, after tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
Document Annual Report
Document Annual Report
Proceeds from sales of equity securities
Proceeds from Sale of Equity Securities, FV-NI
Equity in earnings of partnerships and similar investments
Income (Loss) from Equity Method Investments
Other liabilities — derivatives
Other Liabilities [Member]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Investment securities
Deferred Tax Liabilities, Investments
Cover [Abstract]
Cover [Abstract]
Direct premiums earned
Direct Premiums Earned
Agents’ balances and premiums receivable
Premiums Receivable, Net
Effect of tax exempt interest as a percentage of EBT
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent
Impact of discount on workers' compensation policies
Short-Duration Contracts, Discounted Liabilities, Amount
U.S.
UNITED STATES
Total lease payments
Lessee, Operating Lease, Liability, to be Paid
Securities
Realized gains (losses) on securities
Marketable Securities, Realized Gain (Loss)
Purchases and issuances
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Cash flow hedging
Cash Flow Hedging [Member]
Segments of Operations
Segment Reporting Disclosure [Text Block]
Foreign government
Debt Security, Government, Non-US [Member]
Net Change in Cash and Cash Equivalents
Cash and cash equivalents, period increase (decrease)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Operating lease, renewal term
Lessee, Operating Lease, Renewal Term
Equity Component [Domain]
Equity Component [Domain]
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
After one year through five years
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Percent
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value, Percent.
Property and casualty companies
Property and casualty insurance
Property, Liability and Casualty Insurance Product Line [Member]
Year 6, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Six, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the sixth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
Unrealized holding gains (losses) on pension and OPRP arising during the period
Unrealized holding gains (losses) on pension and OPRP arising during the period, after tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
Entity Current Reporting Status
Entity Current Reporting Status
Earnings from continuing operations before income taxes
Earnings from continuing operations before income taxes (“EBT”)
Operating Income (Loss)
Realized gains (losses) on investing activities
Realized Investment Gains (Losses)
Reclassification adjustment for unrealized gains (losses) on securities of subsidiaries sold, tax
Other Comprehensive Income Loss Reclassification Adjustment From AOCI For Sale Of Securities Tax, Disposition of Subsidiaries
Other comprehensive income loss reclassification adjustment from AOCI for sale of securities tax, disposition of subsidiaries
Total deferred tax liabilities
Deferred Tax Liabilities, Gross
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Assets of discontinued annuity operations
Assets of Discontinued Annuity Operations [Member]
Assets of the discontinued annuity operations that are held for sale
Sales of investments, property and equipment
Proceeds from Sales of Investments, Property and Equipment
The cash inflow associated with the sale of investments, property and equipment.
Managed investment entities’ assets/liabilities
Change in Managed Investment Entities Assets And Liabilities
The increase (decrease) during the reporting period in other operating assets and liabilities of managed investment entities.
Business Segments [Axis]
Segments [Axis]
Fair Value
Estimate of Fair Value Measurement [Member]
Other comprehensive income (loss), net of tax:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Payable to reinsurers
Increase (Decrease) in Reinsurance Payables
Dividends [Axis]
Dividends [Axis]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Mortgage-backed securities
Collateralized Mortgage-Backed Securities [Member]
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Amount borrowed under AFG revolving credit facility
Long-Term Line of Credit
Customer relationships
Customer Relationships [Member]
Diluted (USD per share) from discontinued operations
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share
Fixed maturities with embedded derivatives
Fixed Maturity Securities with Embedded Derivatives [Member]
Fixed maturity securities with embedded derivatives.
Roll forward of allowance for credit losses on fixed maturity securities
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block]
Year one
Share-Based Payment Arrangement, Tranche One [Member]
Real Estate, Type of Property [Axis]
Real Estate, Type of Property [Axis]
Average life of MBS
Mortgage Backed Securities Average Life
Mortgage backed securities average life.
Real estate-related investments
Equity Method Investments, Real Estate-related Investments [Member]
Equity Method Investments, Real Estate-related Investments
Equity Securities, FV-NI, Unrealized Gain (Loss) [Abstract]
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
Total realized/unrealized gains (losses) included in Net earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Pay vs Performance Disclosure [Line Items]
Entity Voluntary Filers
Entity Voluntary Filers
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Cash and cash equivalents
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Amortized cost
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss
Assets of managed investment entities
Variable Interest Entity, Assets
Variable Interest Entity, Assets
Outstanding at January 1, 2023
Outstanding at December 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Percentage of equity investments in Level 3 assets that do not qualify for equity accounting
Percentage of Level Three Assets, Equity Investments That Do Not Qualify for Equity Accounting
Percentage of Level three assets, equity investments that do not qualify for equity accounting
Common Stock and Capital Surplus
Common Stock Including Additional Paid in Capital [Member]
Annuity and supplemental insurance acquisition expenses
Disposal Group, Including Discontinued Operations, Annuity and Supplemental Insurance Acquisition Expenses
Annuity and supplemental insurance acquisition expenses of discontinued operations included in a disposal group
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Other income
Disposal Group, Including Discontinued Operation, Other Income
Total financial liabilities not accounted for at fair value
Financial Liabilities Not Accounted For At Fair Value
Total financial liabilities not accounted for at fair value.
Investments, Debt and Equity Securities [Abstract]
Investments, Debt and Equity Securities [Abstract]
Variable interest entity, primary beneficiary
Variable Interest Entity, Primary Beneficiary [Member]
Annuity benefits accumulated
Disposal Group, Including Discontinued Operations, Liability For Future Policy Benefits Individual And Group Annuities And Supplementary Contracts
Annuity benefits accumulated of discontinued operations included in a disposal group
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Average remaining contractual term, Options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Discontinued Operations and Disposal Groups [Abstract]
Discontinued Operations and Disposal Groups [Abstract]
Fixed maturities without a single maturity date
Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value
Transfer out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
Fixed maturities
Total fixed maturities
Fixed Maturities [Member]
Restatement Determination Date:
Restatement Determination Date [Axis]
Reductions due to sales or redemptions
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Securities Sold
Investment, Name [Axis]
Investment, Name [Axis]
Corporate and other
Corporate and other
Corporate Debt Securities [Member]
Statutory rate of income taxes
Income taxes at statutory rate as a percentage of EBT
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Returns of capital from subsidiaries
Returns Of Capital From Subsidiaries
The cash inflow associated with amounts received from the subsidiaries during the period.
Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract]
Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract]
Operating and capital loss carryforwards [Table]
Tax Credit Carryforward [Table]
Issuances of Common Stock
Proceeds from Issuance of Common Stock
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Property and transportation
Specialty Property And Transportation Insurance [Member]
Specialty Property and transportation.
Income Taxes
Income Tax Disclosure [Text Block]
Accident Year 2016
Short-Duration Insurance Contracts, Accident Year 2016 [Member]
Realized gains (losses) on securities
Realized Gains (Losses) On Securities [Member]
Primary financial statement caption encompassing realized gains (losses) on securities.
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized Gains Losses And Changes In Unrealized Appreciation Depreciation Related To Fixed Maturity And Equity Security Investments [Abstract]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments.
Private debt funds
Equity Method Investments, Private Debt Funds [Member]
Equity Method Investments, Private Debt Funds
Leases
Lessee, Leases [Policy Text Block]
Other benefit plans, shares
Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture
Total realized/unrealized gains (losses) included in other comprehensive income (loss)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)
Operating loss carryforward expiration dates [Domain]
Operating Loss Carry Forward Expiration Dates [Domain]
Operating loss carry forward Expiration Dates.
Net cash used in investing activities
Cash Provided by (Used in) Investing Activities, Discontinued Operations
Agents’ balances and premiums receivable
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Agents’ Balances and Premiums Receivable
Amount due from agents' and amount of premiums due acquired at the acquisition date
Short-duration Insurance Contracts, Accident Year [Axis]
Short-Duration Insurance Contracts, Accident Year [Axis]
Investment and other income
Investment and Other Income
Investment and other income.
Effect of change in valuation allowance (excluding change in tax rate)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Revenues before realized gains (losses)
Revenues before Realized Gains (Losses)
Aggregate revenue (including insurance premiums, investment income and other income) recognized during the period before realized gains (losses) on securities and subsidiaries.
Business Acquisitions [Line Items]
Business Acquisition [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Realized gains (losses) on:
Realized Gains (Losses) on [Abstract]
Realized gains (losses) on.
PEO Total Compensation Amount
PEO Total Compensation Amount
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Payable to reinsurers
Reinsurance Payable
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Net decrease in the provision for claims of prior years
Other Provisions For Claims Of Prior Years [Member]
Other provisions for claims of prior years.
Level 3
Fair Value, Inputs, Level 3 [Member]
Other tax expense on gain on sale of subsidiaries
Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation, Other
Other tax effects of income or loss from from the disposition of discontinued operations
Claims Development [Line Items]
Claims Development [Line Items]
Outstanding at January 1, 2023
Outstanding at December 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]
Annuity benefits
Annuity Benefits
Annuity benefits includes 1) interest credited to policyholders accounts, which provides a guaranteed yield, 2) expenses related to excess benefits expected to be paid on future deaths and annuitizations and 3) net expenses related to changes in embedded derivatives on equity indexed annuities offset by equity index call options.
After five years through ten years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
Exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Unearned premiums
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium
Other comprehensive income (loss), tax
Other Comprehensive Income (Loss), Tax
Net Earnings
Net earnings
Net earnings
Net Income (Loss)
Gain (loss) on change in fair value of assets/liabilities
Gain (Loss) on Change in Fair Value of Assets and Liabilities of Managed Investment Entities
Loss on change in fair value of assets and liabilities of managed investment entities.
Derivative Contract Type [Domain]
Derivative Contract [Domain]
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Company Selected Measure Name
Company Selected Measure Name
After one year through five years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Leases
Lessee, Operating Leases [Text Block]
Insurance [Line Items]
Insurance [Line Items]
Insurance
Year 3
Short-Duration Insurance Contracts, Historical Claims Duration, Year Three
Liabilities and Equity:
Liabilities and Equity:
Liabilities and Equity [Abstract]
Cumulative Paid Claims and Allocated LAE, Net of Reinsurance
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net
Face amount of managed investment entities liabilities purchased by subsidiaries at issuance date
Face Amount Of Managed Investment Entities Liabilities Purchased At Issuance Date
Face amount of managed investment entities liabilities purchased at issuance date.
Condensed Financial Information of Parent Company
Condensed Financial Information of Parent Company Only Disclosure [Text Block]
Gross unrealized losses on available for sale fixed maturities
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Other lines
Other Lines [Member]
Other lines.
Exercise of stock options, shares
Exercised
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Unrealized holding gains (losses) on cash flow hedges arising during the period, pretax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax
Insurance [Axis]
Insurance [Axis]
Insurance.
Restricted common stock vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Other operating activities, net
Other Operating Activities, Condensed Consolidating Cash Flow Statement
Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the Condensed Consolidating Statement of Cash Flows.
Weighted average useful life of finite-lived intangible assets acquired
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life
Accumulated Other Comprehensive Income, Net of Tax ("AOCI")
Comprehensive Income, Policy [Policy Text Block]
Capital contributions to subsidiaries
Capital Contributions to Subsidiaries
The cash outflow associated with amounts contributed to subsidiaries during the period.
Name
Measure Name
Name
Forgone Recovery, Individual Name
Goodwill
Goodwill, beginning balance
Goodwill, ending balance
Goodwill
Total revenues
Disposal Group, Including Discontinued Operation, Revenue
Measurement Basis [Axis]
Measurement Basis [Axis]
Underlying Securities
Award Underlying Securities Amount
Fair value as percentage of cost - less than twelve months
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less Than Twelve Months, Fair Value As Percentage Of Cost
Available for sale securities continuous unrealized loss position less than twelve months fair value as percentage of cost.
Premium Recognition
Insurance Premiums Revenue Recognition, Policy [Policy Text Block]
Prior years
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years
Level 3 assets that were priced by pricing services.
Level three assets that were priced by pricing services.
Level three assets that were priced by pricing services.
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Year 8, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the eighth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
Cash dividends per Common Share (USD per share)
Common Stock, Dividends, Per Share, Declared
Unrealized holding gains (losses) on securities arising during the period
Unrealized holding gains (losses) on securities arising during the period, after tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Common Stock, par value (USD per share)
Common Stock, No Par Value
Sales and settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
Catastrophe reinsurance coverage, annual cost
Reinsurance Coverage, Annual Cost For Catastrophe Bond Structure
The annual costs accrued for reinsurance coverage during the period.
Aggregate unpaid principal balance of CLO loans in default
Aggregate unpaid principal balance of variable interest entity loans in default
Aggregate unpaid principal balance of variable interest entity loans in default
Net Investment Income [Line Items]
Net Investment Income [Line Items]
Net cash provided by financing activities
Cash Provided by (Used in) Financing Activities, Discontinued Operations
Net increase (decrease) in the provision for claims of prior years:
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract]
Available for sale fixed maturity securities by contractual maturity date
Investments Classified by Contractual Maturity Date [Table Text Block]
Revolving credit facility term
Debt Instrument, Term
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments
Difference Between Aggregate Unpaid Principal Balance And Fair Value Of Variable Interest Entity Investments
Difference between aggregate unpaid principal balance and fair value of variable interest entity investments.
Reclassification from accumulated other comprehensive income
Cash flow hedges - gains (losses) reclassified from AOCI to net earnings
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Dividends from subsidiaries
SEC Schedule, 12-04, Cash Dividends Paid to Registrant, Consolidated Subsidiaries
Financial assets:
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Income Statement Location [Axis]
Income Statement Location [Axis]
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impact of discount on workers' compensation policies, prior year amount
Workers' Compensation Discount, Prior Year Amount
Undiscounted contractual maturities of operating lease liabilities
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Fair value of financial instruments
Fair Value, by Balance Sheet Grouping [Table Text Block]
Insurance Product Line [Domain]
Product and Service [Domain]
Commercial MBS
Commercial MBS
Commercial Mortgage-Backed Securities [Member]
Other Performance Measure, Amount
Other Performance Measure, Amount
Net liability at beginning of period
Net liability at end of period
Total reserves, net of reinsurance
Liability for Unpaid Claims and Claims Adjustment Expense, Net
Lease activity
Lease, Cost [Table Text Block]
Investing Activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net earnings from discontinued operations, net of tax
Discontinued Operation, Income (Loss) From Discontinued Operation After Income Tax and Before Gain Loss on Disposal of Discontinued Operation
Income (loss) from discontinued operations after income tax and before gain (loss) on disposal of discontinued operation
Interest charges on borrowed money
Interest charges on other borrowings
Interest Expense
Gain (loss) on retirement of debt
Gain (Loss) on Extinguishment of Debt
Additional Information
Additional Financial Information Disclosure [Text Block]
Common Stock reserved for issuance under stock incentive plans (shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Average remaining contractual term, Options outstanding
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Stockholders' Equity Note [Abstract]
Stockholders' Equity Note [Abstract]
Trading Arrangement:
Trading Arrangement [Axis]
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Long-term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Entity File Number
Entity File Number
Loss Contingencies [Table]
Loss Contingencies [Table]
Assets and liabilities measured at fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Lease payments due thereafter
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Year 2, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Two, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the second year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
Scheduled principal payments on debt in year three
Long-Term Debt, Maturity, Year Three
Accumulated net investment gain (loss) attributable to parent
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Fixed maturities, available for sale, allowance for expected credit losses
Beginning balance
Ending balance
Debt Securities, Available-for-Sale, Allowance for Credit Loss
Reinsurance, excess retention, amount reinsured, per event
Reinsurance, Excess Retention, Amount Reinsured, Per Event
Auditor Firm ID
Auditor Firm ID
Amortization of intangible assets
Amortization of Intangible Assets
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Entity Shell Company
Entity Shell Company
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Restatement Determination Date
Restatement Determination Date
Short-duration insurance contracts, reconciliation of claims development to liability
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table Text Block]
Fixed maturities fair value, Subtotal
Available-for-sale Securities, Debt Maturities Excluding ABS and MBS, Fair Value
Available for sale securities debt maturities excluding ABS and MBS fair value.
Other liabilities
Increase (Decrease) in Other Operating Liabilities
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Cash and cash equivalents at beginning of year
Cash and cash equivalents at end of year
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents
Asset Class [Axis]
Asset Class [Axis]
Asset Class [Axis]
Operating lease expense included in other expenses
Operating Lease, Cost
Fair value - twelve months or more
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer
Proceeds from maturities and redemptions of investments
Proceeds from Sale, Maturity and Collection of Investments
Vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Reserves for claims and unpaid losses and LAE
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense
Total assets accounted for at fair value
Assets, Fair Value Disclosure
Long-term debt
Carrying Value
Long-Term Debt
Reclassification of Cash Flow Hedge Gain (Loss) [Abstract]
Reclassification of Cash Flow Hedge Gain (Loss) [Abstract]
Scheduled principal payments on debt in year four
Long-Term Debt, Maturity, Year Four
Fair value as a percentage of cost - twelve months or more
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Twelve Months Or Longer, Fair Value As Percentage Of Cost
Available for sale securities continuous unrealized loss position twelve months or longer fair value as percentage of cost.
Accumulated foreign currency adjustment attributable to parent
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Total net unrealized gains (losses) on securities, pretax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax
Weighted average period of cost expected to be recognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Percentage (based on unrealized loss) of available for sale fixed maturities that are in unrealized loss position and rated investment grade
Percentage (based on unrealized loss) of available for sale fixed maturities that are in unrealized loss position and rated investment grade
Percentage based on unrealized loss of available for sale fixed maturities that are in an unrealized loss position and rated investment grade.
Neon Capital Limited
Neon Capital Limited [Member]
Neon Capital Limited.
Comprehensive income
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Provision for expected credit losses
Reinsurance Recoverable, Credit Loss Expense (Reversal)
Cash interest payments on long-term debt
Interest Paid, Including Capitalized Interest, Operating and Investing Activities
Entity Address, Address Line One
Entity Address, Address Line One
Foreign operations
Reserves For Foreign Operations [Member]
Reserves for foreign operations.
Components of deferred tax assets and liabilities
Components of Deferred Tax Assets and Liabilities [Abstract]
Crop Risk Services
Crop Risk Services [Member]
Crop Risk Services
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Statutory Accounting Practices [Line Items]
Statutory Accounting Practices [Line Items]
Year four
Share-Based Payment Arrangement, Tranche Four [Member]
Share-Based Payment Arrangement, Tranche Four
Managed by third parties
Managed by Third Parties [Member]
Managed by third parties
Operating loss carryforwards
Operating Loss Carryforwards
Effects of Reinsurance [Table]
Effects of Reinsurance [Table]
Consolidated Statement of Earnings [Abstract]
Income Statement [Abstract]
Schedule of Investments [Line Items]
Schedule of Investments [Line Items]
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Other assets
Disposal Group, Including Discontinued Operation, Other Assets
Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Other liabilities — derivatives
Derivative liability
Derivative Liability
Operating and capital loss carryforwards [Line Items]
Tax Credit Carryforward [Line Items]
Class of Stock [Line Items]
Class of Stock [Line Items]
Income taxes at statutory rate
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Nonvoting Preferred Stock
Nonvoting Preferred Stock [Member]
Nonvoting preferred stock.
Proceeds from sales and redemptions of investments
Proceeds from Sales and Redemptions of Investments by Managed Investment Entities
The cash inflow associated with sales, maturities, prepayments and redemptions of investments by managed investment entities.
Net unrealized gains (losses) on cash flow hedges:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax [Abstract]
Reconciliation of beginning and ending liability for unpaid losses and loss adjustment expenses
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]
Earnings per Diluted Common Share:
Earnings Per Share, Diluted [Abstract]
Crop Insurance Contracts, Crop Year [Axis]
Crop Insurance Contracts, Crop Year [Axis]
Crop Insurance Contracts, Crop Year
Income Tax Reconciliation [Table]
Income Tax Reconciliation [Table]
Income Tax Reconciliation.
Investments accounted for using the equity method
Equity Method Investments
Reclassification adjustment for unrealized gains on cash flow hedges of subsidiaries sold
Reclassification for unrealized gains on cash flow hedges of subsidiaries sold, after tax
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax, Disposition of Subsidiaries
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax, Disposition of Subsidiaries
Subordinated debt obligations
Subordinated Debt Obligations [Member]
Financial Instrument [Axis]
Financial Instrument [Axis]
Discontinued Operations
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Retained earnings
Retained Earnings, Unappropriated
Other assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Total Shareholder Return Amount
Total Shareholder Return Amount
Repurchases of Common Stock
Payments for Repurchase of Common Stock
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Specialty unpaid losses and LAE, net of reinsurance
Unpaid losses and LAE, net of reinsurance (excluding unallocated LAE)
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net
Insurance [Domain]
Insurance [Domain]
Insurance.
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Statement of Cash Flows
Statement of Cash Flows [Policy Text Block]
Describes an entity's accounting policy related to the statement of cash flows.
Acquisitions and Sale of Businesses
Mergers, Acquisitions and Dispositions Disclosures [Text Block]
Total tax effects
Tax Effects [Member]
Tax effects.
Total pension and OPRP adjustments, tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Annuity receipts
Proceeds from Annuities and Investment Certificates
Total
Parent [Member]
Segment [Domain]
Segments [Domain]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Reclassification adjustment for pension settlement loss included in other expense in net earnings, pretax
Other Comprehensive Income (Loss), Defined Benefit Plan, Pension Settlement, Reclassification Adjustment from AOCI, before Tax
Other comprehensive income (loss), defined benefit plan, pension settlement, reclassification adjustment from AOCI, before tax
Collateralized loan obligations and other asset-backed securities average life
Collateralized Loan Obligations and Other Asset-Backed Securities Average Life
Collateralized loan obligations and Other asset-backed securities average life.
Restricted stock awards, shares
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Insurance
Insurance Disclosure [Text Block]
Net (purchases) sales of trading securities
Proceeds from (Payments for) Trading Securities, Short-Term
Transfer into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
Short-duration Insurance Contracts, Claims Development [Table]
Short-Duration Insurance Contracts, Claims Development [Table]
Leases [Abstract]
Leases [Abstract]
Prior year claims and claims adjustment expense
Prior Year Claims and Claims Adjustment Expense
Deferred Policy Acquisition Costs (''DPAC'')
Deferred Policy Acquisition Costs, Policy [Policy Text Block]
Accident year 2020
Short-Duration Insurance Contract, Accident Year 2020 [Member]
Entity Address, State or Province
Entity Address, State or Province
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Percentage (based on fair value) of available for sale fixed maturities that are in unrealized loss position and rated investment grade
Percentage (based on fair value) of available for sale fixed maturities that are in unrealized loss position and rated investment grade
Percentage (based on fair value) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade.
Percent of total revenue derived from sales of property and casualty insurance outside of the United States
Disclosure on Geographic Areas, Property and Casualty Revenues Attributed to Foreign Countries
Property and casualty insurance revenues derived from customers of foreign countries.
Operating Activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Residential MBS
Residential MBS
Residential Mortgage-Backed Securities [Member]
Basic (USD per share) from continuing operations
Income (Loss) from Continuing Operations, Per Basic Share
Fixed maturities without a single maturity date, percent of fair value
Available For Sale Securities, Debt Maturities, Without Single Maturity Date, Fair Value Percent
The percent of fair value of fixed maturity securities without a single maturity date
Proceeds from maturities and redemptions of fixed maturities
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale
Number of CLOs formed during the period
Number Of Collateralized Loan Obligation Entities Formed During The Period
Number of collateralized loan obligation entities formed during the period.
Disposal Group Name [Domain]
Disposal Group Name [Domain]
Earnings per Basic Common Share from:
Earnings Per Share, Basic [Abstract]
Other receivables
Other Receivables
Liability for losses and loss adjustment expenses [Line Items]
Liability for Claims and Claims Adjustment Expense [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Fair Value by Asset Class [Domain]
Asset Class [Domain]
Realized gains (losses) on subsidiaries
Realized gains on subsidiaries
Gain (Loss) on Disposition of Stock in Subsidiary
Equity in undistributed earnings of subsidiaries
Equity in Undistributed Pretax Earnings of Consolidated Subsidiaries
Portion of equity in pretax earnings of consolidated subsidiaries that was not distributed from subsidiaries.
Effect of other income tax reconciliation as a percentage of EBT
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Reclassification adjustment for realized (gains) losses included in net earnings, tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Class of Stock [Domain]
Class of Stock [Domain]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Accident Year 2015
Short-Duration Insurance Contracts, Accident Year 2015 [Member]
Provision for income taxes as shown in the Statement of Earnings as a percentage of EBT
Effective Income Tax Rate Reconciliation, Percent
Operating lease liability
Operating Lease, Liability
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized Gains (Losses) and Changes in Unrealized Appreciation (Depreciation) Related to Fixed Maturity and Equity Security Investments [Table Text Block]
Tabular disclosure of realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments.
Total pension and OPRP adjustments, pretax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Investment, Type [Extensible Enumeration]
Investment, Type [Extensible Enumeration]
Unrealized holding gains (losses) on securities arising during the period, pretax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Reinsurance contract (embedded derivative)
Other Contract [Member]
Vesting [Domain]
Vesting [Domain]
Accumulated Other Comprehensive Income (Loss)
AOCI attributable to parent
AOCI Attributable to Parent [Member]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
All Executive Categories
All Executive Categories [Member]
Effect of other income tax reconciliation
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Amount of expense for penalties related to a tax position
Unrecognized Tax Benefits, Income Tax Penalties Expense
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Sale of Businesses [Table]
Disposal Groups, Including Discontinued Operations [Table]
Accumulated defined benefit plans adjustment attributable to parent
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification adjustment for unrealized gains (losses) on securities of subsidiaries sold, pretax
Other Comprehensive Income Loss Reclassification Adjustment From AOCI For Sale Of Securities Before Tax, Disposition of Subsidiaries
Other comprehensive income loss reclassification adjustment from AOCI for sale of securities before tax, disposition of subsidiaries
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Retirements of managed investment entities’ liabilities
Retirement Of Managed Investment Entities Liabilities
Retirement of managed investment entities' liabilities.
Provision for expected credit losses
Premium Receivable, Credit Loss Expense (Reversal)
Liability for losses and loss adjustment expenses [Table]
Liability for Claims and Claims Adjustment Expense [Table]
Tax benefit related to compensation costs
Share-Based Payment Arrangement, Expense, Tax Benefit
Fixed maturities amortized cost, Subtotal
Available-for-sale Securities, Debt Maturities Excluding ABS and MBS, Amortized Cost
Available for sale securities debt maturities excluding ABS and MBS amortized cost.
Special charge to increase asbestos and environmental reserves
Liability for Asbestos and Environmental Claims, Net, Period Increase (Decrease)
Number of segments
Number of Reportable Segments
Selected financial information related to collateralized loan obligations
Schedule of Variable Interest Entities [Table Text Block]
Year 1
Year 1, Cumulative
Short-Duration Insurance Contracts, Historical Claims Duration, Year One
Common Stock, no par value — 200,000,000 shares authorized — 83,635,807 and 85,204,006 shares outstanding
Common Stock, Value, Issued
After one year through five years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Senior Notes
Senior Notes [Member]
Deferred taxes:
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
All Individuals
All Individuals [Member]
Short-duration insurance contracts, claims development
Short-Duration Insurance Contracts, Claims Development [Table Text Block]
Income tax penalties accrued
Unrecognized Tax Benefits, Income Tax Penalties Accrued
Entity Filer Category
Entity Filer Category
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Unpaid losses and LAE — 11th year and prior (excluding unallocated LAE)
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Not Separately Presented
Percentage of Level 3 assets that were priced using a discounted cash flow approach
Percentage Of Level Three Assets That Were Priced Using A Discounted Cash Flow Approach
Percentage of level three assets that were priced using a discounted cash flow approach.
Statement [Table]
Statement [Table]
Subsegments [Domain]
Subsegments [Domain]
Current Fiscal Year End Date
Current Fiscal Year End Date
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reconciliation of income taxes at the statutory rate and income taxes shown in the Statement of Earnings
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Income Tax Authority [Axis]
Income tax authority [Axis]
Income Tax Authority [Axis]
PEO Name
PEO Name
Shares issued:
Shares Issued [Abstract]
Shares issued.
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Crop Insurance Contracts, Crop Year [Domain]
Crop Insurance Contracts, Crop Year [Domain]
Crop Insurance Contracts, Crop Year [Domain]
Debt Issuance Costs
Debt, Policy [Policy Text Block]
Condensed Financial Information Disclosure [Abstract]
Condensed Financial Information Disclosure [Abstract]
Preferred Stock, shares authorized
Preferred Stock, Shares Authorized
Multifamily
Multifamily [Member]
Managed investment entities:
Managed Investments Entities [Abstract]
Managed investments entities.
Workers' compensation insurance discount rate
Workers' Compensation Discount, Percent
Changes in the carrying value of goodwill
Schedule of Goodwill [Table Text Block]
Equity in net earnings of subsidiaries
Income (Loss) from Subsidiaries, Net of Tax
Prepaid reinsurance premiums
Prepaid Reinsurance Premiums
Interest charges on intercompany borrowings
Interest Expense on Intercompany Borrowings
The cost of funds borrowed from subsidiaries that are accounted for as interest and are charged against earnings during the period.
Carrying amount of CLO loans in default
Carrying Amount Of Variable Interest Entity Loans In Default
Carrying amount of variable interest entity loans in default.
Total realized/unrealized gains (losses) included in other comprehensive income (loss)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
Net investment income
Disposal Group, Including Discontinued Operation, Net Investment Income
Net investment income of discontinued operations included in a disposal group
Unrealized holding gains (losses) on pension and OPRP arising during the period, pretax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax
Ceded annuity surrenders, benefits and withdrawals
Ceded Annuity Surrenders, Benefits, and Withdrawals
Ceded annuity surrenders, benefits, and withdrawals
Purchases of equity index call options and other investments
Payments to Acquire Other Investments
Other income
Other Income
Net written premiums
Premiums Written, Net
A&E reserves
Special Asbestos And Environmental Reserves [Member]
Special asbestos and environmental reserves.
Face amount of managed investment entities liabilities purchased during the period
Amount Of Managed Investment Entities Liabilities Purchased During the Period
Amount of managed investment entities liabilities purchased during the period
Unpaid Losses and Loss Adjustment Expenses
Unpaid Policy Claims and Claims Adjustment Expense, Policy [Policy Text Block]
Interest rate on debt instruments
Debt Instrument, Interest Rate, Stated Percentage
Equity investments in Level 3 assets that do not qualify for equity accounting
Level Three Assets, Equity Investments That Do Not Qualify for Equity Accounting
Level three assets, equity investments that do not qualify for equity accounting
Consolidated Balance Sheet [Abstract]
Statement of Financial Position [Abstract]
Difference between aggregate unpaid principal balance and fair value of CLOs' debt
Difference Between Aggregate Unpaid Principal Balance And Fair Value Of Variable Interest Entity Debt
Difference between aggregate unpaid principal balance and fair value of variable interest entity debt.
Change in unrealized
Change In Unrealized Appreciation Depreciation
Change in unrealized appreciation depreciation.
Deferred tax asset acquired
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets
Shareholders’ equity
Beginning balance
Ending balance
Equity attributable to parent
Equity, Attributable to Parent
Unrecognized tax benefits that would impact the effective tax rate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Tax benefit related to exercise of stock options
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit
Net earned premiums
Premiums Earned, Net
Restricted Stock
Restricted Stock [Member]
Deferred policy acquisition costs
Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Fair Value Measurements (Textual) [Abstract]
Fair Value Measurements (Textual) [Abstract]
Fair Value Measurements.
Net unrealized gains (losses) on securities:
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract]
Realized - impairments
Other-than-temporary Impairment Loss, Debt Securities, Available-for-Sale, Recognized in Earnings
Long-term Debt, Fiscal Year Maturity [Abstract]
Long-Term Debt, Fiscal Year Maturity [Abstract]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Derivatives not designated as hedging instruments
Not Designated as Hedging Instrument [Member]
States, municipalities and political subdivisions
State and municipal
US States and Political Subdivisions Debt Securities [Member]
Hedging Designation [Domain]
Hedging Designation [Domain]
Level 2
Fair Value, Inputs, Level 2 [Member]
Provision for losses and LAE occurring in the current year
Current Year Claims and Claims Adjustment Expense
Statutory information
Statutory Information [Abstract]
Statutory information.
Equity index put options
Put Option [Member]
Purchases of equity securities
Payments to Acquire Equity Securities, FV-NI
Net tangible assets acquired, at fair value
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Summary of gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives
Derivative Instruments, Gain (Loss) [Table Text Block]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Earnings before realized gains (losses) and income taxes
Operating Income (Loss), Before Realized Gains (Losses) and Income Taxes
The net result for the period of deducting operating expenses from operating revenues (excluding realized gains (losses) on securities and subsidiaries) before income taxes.
Document Fiscal Period Focus
Document Fiscal Period Focus
Finite-lived intangible assets useful life
Finite-Lived Intangible Asset, Useful Life
Reinsurance recoveries
Policyholder Benefits and Claims Incurred, Ceded
Share-based payment arrangement
Share-Based Payment Arrangement [Member]
Lease payments due in 2027
Lessee, Operating Lease, Liability, to be Paid, Year Four
Average exercise price, Beginning balance
Average exercise price, Ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Debt instrument, repurchase amount
Debt Instrument, Repurchase Amount
Incurred Claims and Allocated LAE, Net of Reinsurance
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net
Realized gains on securities
Disposal Group, Including Discontinued Operations, Marketable Securities Realized Gain (Loss)
Realized gain (loss) of discontinued operations included in a disposal group
Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Abstract]
Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Abstract]
City Area Code
City Area Code
Excludes short-duration insurance contracts detail for accident years not separately presented
Excludes Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense Not Separately Presented [Member]
Excludes the undiscounted amount, after reinsurance, of the liability for unpaid claims and allocated claim adjustment expense for short-duration insurance contracts for accident years not separately presented in claim development information. Excludes unallocated claim adjustment expense.
Insurance Product Line [Axis]
Product and Service [Axis]
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]
Document Fiscal Year Focus
Document Fiscal Year Focus
Mark-to-market of ownership of managed investment entities liabilities
Change in Fair Value of Ownership of Managed Investment Entities Liabilities
Change in fair value of ownership of managed investment entities liabilities
Assets of MIE
Assets of Managed Investment Entities [Member]
Assets of managed investment entities.
Total net proceeds
Disposal Group, Including Discontinued Operations, Proceeds from Divestiture of Businesses, Net
The net proceeds from the sale of businesses classified as discontinued operations
Unrealized holding gains (losses) on cash flow hedges arising during the period, tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
Expenses of managed investment entities
Expenses of Managed Investment Entities
Expenses of managed investment entities.
Summary of stock options activity
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Exercise Price
Award Exercise Price
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Derivatives not designated as hedges, gains (losses) included in net earnings
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net
Dividends on common stock
Dividends, Common Stock, Cash
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Abstract]
Change in Fair Value [Axis]
Change in Fair Value [Axis]
Change in fair value
Total liabilities accounted for at fair value
Liabilities, Fair Value Disclosure
The scheduled maturities of available for sale fixed maturities
Available-for-Sale Securities, Debt Maturities [Abstract]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Cash payments for income taxes
Income Taxes Paid, Net
Net earnings from discontinued operations
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Liabilities acquired:
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Other benefit plans
Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture
Total liabilities and shareholders’ equity
Liabilities and Equity
Fixed maturies, available for sale, amortized cost
Debt Securities, Available-for-Sale, Amortized Cost
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Operating lease right-of-use asset
Operating Lease, Right-of-Use Asset
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table]
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
5.125% Subordinated Debentures due December 2059
Subordinated Debentures due in December 2059 [Member]
Subordinated Debentures due in December 2059
Foreign
Current Foreign Tax Expense (Benefit)
Insurance Agency
Insurance Agency [Member]
Insurance Agency
Arrangement Duration
Trading Arrangement Duration
Earnings before income taxes from discontinued operations
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax
Realized gains (losses) on subsidiaries
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax
Investment expenses
Investment Income, Investment Expense
Entity Address, City or Town
Entity Address, City or Town
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Segment Reporting Information, by Segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Fixed maturities without a single maturity date
Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost
Year 7, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the seventh year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
Claims, losses and settlement expenses
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses
Net investment income
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income
Fair Value Measurements
Fair Value of Financial Instruments, Policy [Policy Text Block]
Business Combinations [Abstract]
Business Combinations [Abstract]
Derivative Instruments and Hedging Activities Disclosures [Table]
Derivative Instruments and Hedging Activities Disclosures [Table]
Termination Date
Trading Arrangement Termination Date
Reclassification for unrealized gains on cash flow hedges of subsidiaries sold, pretax
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax, Disposition of Subsidiaries
Other comprehensive income loss cash flow hedge gain loss reclassification before tax, disposition of subsidiaries
Acquisition costs incurred
Business Acquisition, Transaction Costs
Common Stock, shares authorized
Common Stock, Shares Authorized
Reclassification adjustment for unrealized gains of subsidiaries sold
Reclassification adjustment for unrealized gains (losses) on securities of subsidiaries sold, after tax
Other Comprehensive Income Loss Reclassification Adjustment From AOCI For Sale Of Securities Net Of Tax, Disposition of Subsidiaries
Other Comprehensive Income Loss Reclassification Adjustment From AOCI For Sale Of Securities Net Of Tax, Disposition of Subsidiaries
Fixed maturities, available for sale at fair value (amortized cost — $10,752 and $10,736; allowance for expected credit losses of $12 and $11)
Available for sale (AFS) fixed maturities
Debt Securities, Available-for-Sale
Supplementary Insurance Information
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Disclosure [Text Block]
Gross unrealized gains on available for sale fixed maturities
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Change in fair value of equity securities
Equity Securities, FV-NI, Gain (Loss)
Available-for-sale securities in a continuous unrealized loss position
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Maturities of short term investments
Maturity Period Of Short Term Investment Maximum
Maturity period of short term investment maximum.
Reinsurance recoverable and premiums receivable, allowance for credit loss
Reinsurance Recoverable and Premiums Receivable, Allowance for Credit Loss [Table Text Block]
Tabular disclosure of allowance for credit loss on reinsurance recoverable and premiums receivable.
Adjustments:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
MBS with embedded derivatives
Mortgage Backed Securities with Embedded Derivatives [Member]
Mortgage backed securities with embedded derivatives.
Award Timing Disclosures [Line Items]
Proceeds from sale of businesses
Cash proceeds from sale of businesses
Proceeds from Divestiture of Interest in Consolidated Subsidiaries
Mortgage loans
Mortgage Loans on Real Estate, Commercial and Consumer, Net
Proceeds from sales of real estate, property and equipment
Proceeds From Sales Of Real Estate Property and Equipment
The cash inflow associated with the sale of real estate, property and equipment.
Year 4
Short-Duration Insurance Contracts, Historical Claims Duration, Year Four
Employee benefits
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits
Total tangible assets acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets
Restricted Common Stock vested during period, fair value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
After five years through ten years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent [Abstract]
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent [Abstract]
Holding Gains (Losses) on Equity Securities Still Held [Table]
Holding Gains (Losses) on Equity Securities Still Held [Table]
Tabular disclosure of holding gains (losses) on equity securities still held
Year three
Share-Based Payment Arrangement, Tranche Three [Member]
Income Taxes
Income Tax, Policy [Policy Text Block]
Future amortization of intangibles in year three
Finite-Lived Intangible Asset, Expected Amortization, Year Three
Structured securities
Structured Securities [Member]
Structure securities such as mortgage back securities, collateralized loan obligations and other asset-backed securities
Insider Trading Arrangements [Line Items]
Accumulated Other Comprehensive Income [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Gain on sale of discontinued operations, net of tax
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax
Recoverables from reinsurers
Disposal Group, Including Discontinued Operations, Reinsurance Recoverables On Paid And Unpaid Losses
Reinsurance recoverables of discontinued operations included in a disposal group
Aggregate intrinsic value, Options outstanding
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Provision for expected credit losses on securities with no previous allowance
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not Previously Recorded
Entity Registrant Name
Entity Registrant Name
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Award Timing Method
Award Timing Method [Text Block]
Other assets
Increase (Decrease) in Other Operating Assets
Effect of foreign operations as a percentage of EBT
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Future amortization of intangibles in year two
Finite-Lived Intangible Asset, Expected Amortization, Year Two
Debt Securities, Available-for-sale, Allowance for Credit Loss [Table]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table]
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Year two
Share-Based Payment Arrangement, Tranche Two [Member]
Gain on change in fair value of contingent consideration liability
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability
Percentage of internally developed Level 3 assets compared to total Level 3 assets
Percentage Of Internally Developed Level Three Assets Compared to Total Level 3 Assets
Percentage Of Internally Developed Level Three Assets Compared to Total Level 3 Assets
Liability for asbestos and environmental reserves
Liability for Asbestos and Environmental Claims, Gross
Auditor Name
Auditor Name
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Assets and liabilities measured at fair value
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Average exercise price, Options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Other
Corporate and Other [Member]
Reductions of long-term debt
Repayments of long-term debt
Repayments of Long-Term Debt
Entity Central Index Key
Entity Central Index Key
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Short-duration Insurance Contracts, Claim Duration [Axis]
Short-Duration Insurance Contracts, Claim Duration [Axis]
Total realized/unrealized gains (losses) included in Net earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Total compensation expense related to stock incentive plans
Share-Based Payment Arrangement, Expense
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Effect of nondeductible expenses as a percentage of EBT
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent
GAFRI
GAFRI [Member]
GAFRI.
Income Tax Authority [Domain]
Income tax authority [Domain]
Income Tax Authority [Domain]
Summary of operating loss carryforwards
Summary of Operating Loss Carryforwards [Table Text Block]
Sale of annuity business
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Disposition of Subsidiaries
Fair value measurement with unobservable inputs reconciliation, recurring basis, asset, disposition of subsidiaries
Insurance claims and reserves
Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve
Payable to return collateral related to swaps
Payable to Return Collateral Related to Swaps
Payable to return collateral related to swaps
Name
Trading Arrangement, Individual Name
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Table]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Table]
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Net cash provided by operating activities
Cash Provided by (Used in) Operating Activities, Discontinued Operations
One year or less
Available For Sale Securities Debt Maturities Within One Year Fair Value Percent
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value, Percent.
Reductions to previously recognized expected credit losses
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal)
Effect of foreign operations
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Long-term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Amendment Flag
Amendment Flag
Reclassification adjustment for realized (gains) losses included in net earnings, pretax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
Fixed-indexed and variable-indexed annuities (embedded derivative)
Fixed-Indexed and Variable-Indexed Annuities (Embedded Derivatives) [Member]
Derivatives embedded in fixed-indexed and variable-indexed annuity products
Weighted-average discount rate
Operating Lease, Weighted Average Discount Rate, Percent
Reclassification adjustment for pension settlement loss included in other expense in net earnings, tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Pension Settlement, Reclassification Adjustment from AOCI, Tax
Other comprehensive income (loss), defined benefit plan, pension settlement, reclassification adjustment from AOCI, tax
One year or less
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
Assets:
Assets, Fair Value Disclosure [Abstract]
Benefit Plans
Postretirement and Postemployment Benefit Plans [Policy Text Block]
Disclosure of the accounting policy for postretirement and postemployment benefit plans sponsored by the entity.
Analysis of changes in the liability for losses and loss adjustment expenses, net of reinsurance
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Percentage of Level 3 assets that were priced by pricing services
Percentage Of Level Three Assets That Were Priced By Pricing Services
Percentage Of Level Three Assets That Were Priced By Pricing Services
Cash and cash equivalents of businesses acquired and sold
Net Change in Cash and Cash Equivalents from the Acquisition or Disposition of Businesses
Net change in cash and cash equivalents from the acquisition or disposition of businesses
Fair Value Percent, Fiscal Year Maturity [Abstract]
Available For Sale Securities, Debt Maturities, Fair Value Percent, Fiscal Year Maturity [Abstract]
Available For Sale Securities, Debt Maturities, Fair Value Percent, Fiscal Year Maturity [Abstract]
Diluted (shares)
Weighted Average Number of Shares Outstanding, Diluted
Stock options, period before vesting begins
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Period Before Vesting Commences
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Period Before Vesting Commences
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Amortization of deferred policy acquisition costs
Deferred Policy Acquisition Costs, Amortization Expense
Information on sale of Annuity subsidiaries
Disposal Groups, Including Discontinued Operations [Table Text Block]
Reinsurance
Reinsurance Accounting Policy [Policy Text Block]
Year 5, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Five, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the fifth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
Year 10, Cumulative
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten, Cumulative
Percentage on a cumulative basis of average payout, after reinsurance, in the tenth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.
Gross losses
Debt Securities, Available-for-Sale, Realized Loss
Company Selected Measure Amount
Company Selected Measure Amount
Total assets
Total assets
Assets
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Short-duration insurance contracts, schedule of historical claims duration
Short-Duration Insurance Contracts, Schedule of Historical Claims Duration [Table Text Block]
Unpaid losses and loss adjustment expenses
Balance at beginning of period
Gross unpaid losses and LAE included in the balance sheet
Gross unpaid losses and LAE included in the balance sheet
Liability for Claims and Claims Adjustment Expense, Property-Casualty Liability
Stock-based compensation expense
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Scheduled principal payments on debt in year five
Long-Term Debt, Maturity, Year Five
Reinsurance ceded
Ceded Premiums Earned
4.50% Senior Notes due June 2047
Senior Notes Due In June 2047 [Member]
Senior Notes due in June 2047.
Percentage of investment of most subordinate debt tranche, Maximum
Percentage of Investment of Most Subordinate Debt Tranche of Variable Interest Entity Maximum
Maximum percentage of investment of most subordinate debt tranche of variable interest entity.
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]
Net Earnings
Statutory Accounting Practices, Statutory Net Income Amount
Year 10
Short-Duration Insurance Contracts, Historical Claims Duration, Year 10
Catastrophe Bonds
Catastrophe Bonds [Member]
Catastrophe Bond Structures
Reinsurance information
Effects of Reinsurance [Table Text Block]
Average grant date fair value, Vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Non-NEOs
Non-NEOs [Member]
Voting Preferred Stock
Voting Preferred Stock [Member]
Voting preferred stock.
Pension and other postretirement plans adjustments (“OPRP”):
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract]
Real estate, property and equipment
Deferred Tax Liabilities, Real Estate, Property and Equipment
Amount of deferred tax liability attributable to taxable temporary differences from real estate, property, and equipment.
CLO earnings (losses) attributable to AFG Shareholders
Earnings Losses Of Variable Interest Entities Attributable To Shareholders
Earnings (losses) of variable interest entities attributable to AFG shareholders.
Recoverables from reinsurers
Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Financing Activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Investment income
Gross Investment Income, Operating
Non-PEO NEO
Non-PEO NEO [Member]
Investment in securities
Marketable Securities
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Equity securities, at cost
Equity Securities, FV-NI, Cost
Other
Other Long-Term Investments [Member]
Issuances of managed investment entities’ liabilities
Proceeds From Issuance Of Managed Investment Entities
Proceeds from issuance of managed investment entities.
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Basic (shares)
Weighted Average Number of Shares Outstanding, Basic
Dividends payments without violating the most restrictive debt covenants, minimum
Dividend Payments Without Violating Most Restrictive Debt Covenants
Amount of dividends that could be paid as of the balance sheet date without violating the most restrictive debt covenants.
Other operating lease liability information
Lessee, Operating Lease, Liability, Other Lease Information [Table Text Block]
Tabular disclosure of other operating lease liability information
Revenues:
Revenues [Abstract]
Forfeitures of restricted stock, shares
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Statement [Line Items]
Statement [Line Items]
Change in fair value of fixed maturities
Debt Securities, Trading and Convertible, Gain (Loss)
The change in fair value of debt securities classified as trading or derivatives embedded in convertible fixed maturities.
Interest on income taxes accrued
Unrecognized Tax Benefits, Interest on Income Taxes Accrued
Deferred tax on intangible assets acquired
Deferred Tax Liabilities, Intangible Assets
Reclassification for unrealized gains on cash flow hedges of subsidiaries sold, tax
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification, Tax, Disposition of Subsidiaries
Other comprehensive income loss cash flow hedge gain loss reclassification, tax, disposition of subsidiaries
Schedule of Condensed Financial Statements [Table]
Condensed Financial Statements [Table]
Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract]
AFG's internal investment professionals
Number Of Internal Investment Professionals
Number of internal investment professionals.
Effect of prior year income taxes as a percentage of EBT
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent
Net earnings from discontinued operations
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Real Estate Funds [Member]