v3.25.4
Derivatives - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Net Investment Hedging      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Derivative gain (loss) $ (15,000,000) $ 3,000,000 $ (4,000,000)
Cumulative foreign currency translations, gain 14,000,000 29,000,000  
Athene Holding Limited | Credit Default Swap      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Derivative, notional amount 510,000,000    
Credit risk derivative assets 76,000,000    
Credit risk derivative liabilities   1,000,000  
Maximum amount of potential future payments 510,000,000 10,000,000  
Interest Rate Swaps | Derivatives designated as hedges      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Derivative, notional amount 31,252,000,000 24,885,000,000  
Interest Rate Swaps | Athene Holding Limited      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Gain (loss) recognized 170,000,000 1,000,000 33,000,000
Interest Rate Swaps | Athene Holding Limited | Cash Flow Hedging | Derivatives designated as hedges      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Gain (loss) on foreign currency derivatives recorded in earnings 0 0 $ 0
Amount expected to reclassified into income within the next 12 months 27,000,000    
Forwards | Derivatives designated as hedges      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Derivative, notional amount 2,302,000,000 3,139,000,000  
Forwards | Fair Value Hedging | AFS securities      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Amortized cost and carrying amount, fair value hedge 21,300,000,000 16,300,000,000  
Swaps | Derivatives designated as hedges      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Derivative, notional amount 26,437,000,000 15,669,000,000  
Swaps | Fair Value Hedging | AFS securities      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Amortized cost and carrying amount, fair value hedge $ 8,400,000,000 $ 2,400,000,000