v3.26.1
Investments - Schedule of Concentration of Risk, by Risk Factor (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
AP Grange Holdings, LLC | Subsequent Event | Forecast | Athene      
Concentration Risk [Line Items]      
Net gains (losses) from investment activities $ 673    
AP Grange Holdings, LLC | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   $ 5,662 $ 5,080
Atlas Securitized Products Holdings L.P | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   3,325 3,304
Fox Hedge L.P. | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   3,159 3,171
Athora Holding Ltd. | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   3,150  
Apollo Multi-Asset Prime Securities 2, LLC | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   3,000 3,000
AMAPS 3, LLC | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   2,925  
AP Alkaios (Luxembourg) S.à.r.l. | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   2,779 2,791
AMAPS I, LLC | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   2,544 $ 2,550
SVF II Finco Cayman L.P | Shareholders' Equity | Investment Concentration Risk      
Concentration Risk [Line Items]      
Investment concentration risk, amount   $ 2,116