Income Tax Reconciliation.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to domestic income tax settlement.

+ References

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- Definition

Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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- Definition

Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

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- Definition

Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

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- Definition

Amount of interest expense accrued for an underpayment of income taxes.

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- Definition

Amount of interest expense for an underpayment of income taxes.

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- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income Taxes - Narrative (Details) £ in Millions	12 Months Ended
Income Taxes - Narrative (Details) £ in Millions	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2024 GBP (£)
Income Tax Reconciliation [Line Items]
Statutory rate of income taxes	21.00%	21.00%	21.00%
Tax expense related to pending IRS settlement	$ 4,000,000	$ 0	$ 0
Income (losses) subject to tax in foreign jurisdictions	36,000,000	32,000,000	64,000,000
Amount of expense for penalties related to a tax position	0	0	0
Cash payments for income taxes	201,000,000	201,000,000	242,000,000
AFG
Income Tax Reconciliation [Line Items]
Unrecognized tax benefits that would impact the effective tax rate	0
Income tax penalties accrued		0
Maximum \| AFG
Income Tax Reconciliation [Line Items]
Unrecognized tax benefits that would impact the effective tax rate		1,000,000
Interest included in tax provision	1,000,000	1,000,000	$ 1,000,000
Interest on income taxes accrued		$ 1,000,000
United Kingdom
Income Tax Reconciliation [Line Items]
Operating loss carryforwards	$ 35,000,000			£ 28