Related Parties - Schedule of Athene’s Investments in VA Capital and Venerable (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Related Party Transaction [Line Items]
AFS securities	$ 219,474	$ 218,644
Due to related parties
Related Party Transaction [Line Items]
AFS securities	29,098	26,047
Investment fund	3,136	2,149
Venerable Insurance and Annuity Company \| Due to related parties \| Athene
Related Party Transaction [Line Items]
AFS securities	102	105
Investment fund	223	226
Term loans receivable	341	344
Total Investments – Asset Management	$ 666	$ 675

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details