v3.26.1
Derivatives and Hedge Accounting - Notional amounts and fair values of derivative instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Gross Derivative Assets    
Notional Amount $ 175,045 $ 157,453
Fair Value 8,332 10,029
Counterparty netting (4,717) (6,106)
Cash Collateral (2,697) (3,482)
Total derivative assets 918 441
Gross Derivative Liabilities    
Notional Amount 106,372 115,173
Fair Value 5,501 7,091
Counterparty netting (4,717) (6,106)
Cash collateral (599) (686)
Total derivative liabilities 185 299
Bifurcated embedded derivatives assets, fair value 0 0
Bifurcated embedded derivative liabilities, fair value 15,400 16,000
Fortitude Re and CSLR    
Gross Derivative Assets    
Notional Amount 14,500 20,500
Derivatives designated as hedging instruments | Interest rate contracts    
Gross Derivative Assets    
Notional Amount 10,260 11,987
Fair Value 329 364
Gross Derivative Liabilities    
Notional Amount 11,756 9,734
Fair Value 310 234
Derivatives designated as hedging instruments | Foreign exchange contracts    
Gross Derivative Assets    
Notional Amount 7,931 3,855
Fair Value 429 252
Gross Derivative Liabilities    
Notional Amount 2,103 8,128
Fair Value 106 236
Derivatives not designated as hedging instruments | Interest rate contracts    
Gross Derivative Assets    
Notional Amount 19,233 19,672
Fair Value 520 552
Gross Derivative Liabilities    
Notional Amount 25,295 25,397
Fair Value 1,351 1,399
Derivatives not designated as hedging instruments | Foreign exchange contracts    
Gross Derivative Assets    
Notional Amount 8,935 6,139
Fair Value 521 459
Gross Derivative Liabilities    
Notional Amount 6,094 6,847
Fair Value 329 318
Derivatives not designated as hedging instruments | Equity contracts    
Gross Derivative Assets    
Notional Amount 72,962 66,780
Fair Value 6,330 8,388
Gross Derivative Liabilities    
Notional Amount 61,066 64,855
Fair Value 3,403 4,900
Derivatives not designated as hedging instruments | Credit contracts    
Gross Derivative Assets    
Notional Amount 6,500 0
Fair Value 185 0
Gross Derivative Liabilities    
Notional Amount 0 0
Fair Value 0 0
Derivatives not designated as hedging instruments | Other contracts    
Gross Derivative Assets    
Notional Amount 49,224 49,020
Fair Value 18 14
Gross Derivative Liabilities    
Notional Amount 58 212
Fair Value $ 2 $ 4