v3.26.1
Derivative Instruments and Hedging Activities - Protection Purchased with CDS (Details) - Protection Purchased - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Credit Derivatives    
Notional $ 566,000 $ 436,000
CDS    
Credit Derivatives    
Fair Value Asset (Liability) (3,904) (5,572)
Single name    
Credit Derivatives    
Notional 173,000 172,000
Fair Value Asset (Liability) (2,515) (3,363)
Index and basket    
Credit Derivatives    
Notional 354,000 232,000
Fair Value Asset (Liability) (574) (1,209)
Tranched index and basket    
Credit Derivatives    
Notional 39,000 32,000
Fair Value Asset (Liability) $ (815) $ (1,000)