Related Parties - Schedule of Athene’s Investments in Athora (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]
Investment fund	3,136	2,149
AFS securities	29,098	26,047
Athora Holding Ltd. (Athora) \| Due to related parties \| Athene
Related Party Transaction [Line Items]
Investment fund	2,163	1,171
AFS securities	987	50
Equity securities	0	266
Total Investments – Asset Management	$ 3,150	$ 1,487

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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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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