Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Subsequent Events - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	May 04, 2022	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Subsequent Event [Line Items]
Principal			$ 1,945		$ 1,993
Special cash dividend payable (USD per share)			$ 2.56	$ 0.50
Subsequent event
Subsequent Event [Line Items]
Special cash dividend payable (USD per share)	$ 8.00
Aggregate amount of special cash dividend	$ 680
Senior Notes \| AFG
Subsequent Event [Line Items]
Principal			$ 1,270		1,318
3.50% Senior Notes due August 2026 \| Senior Notes \| AFG
Subsequent Event [Line Items]
Principal			$ 377		$ 425
Interest rate on debt instruments			3.50%
3.50% Senior Notes due August 2026 \| Senior Notes \| AFG \| Subsequent event
Subsequent Event [Line Items]
Principal	$ 375
Interest rate on debt instruments	3.50%
3.50% Senior Notes due August 2026 \| Senior Notes \| AFG \| Subsequent event \| Maximum
Subsequent Event [Line Items]
Loss on retirement of debt		$ 10