v3.26.3
Derivatives and Hedge Accounting - Notional amounts and fair values of derivative instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Gross Derivative Assets    
Notional Amount $ 187,595 $ 157,453
Fair Value 11,784 10,029
Counterparty netting (7,351) (6,106)
Cash Collateral (3,961) (3,482)
Total derivative assets 472 441
Gross Derivative Liabilities    
Notional Amount 159,048 115,173
Fair Value 9,129 7,091
Counterparty netting (7,351) (6,106)
Cash collateral (1,369) (686)
Total derivative liabilities 409 299
Bifurcated embedded derivatives assets, fair value 0 0
Bifurcated embedded derivative liabilities, fair value 15,700 16,000
Fortitude Re and CSLR    
Gross Derivative Assets    
Notional Amount 12,600 20,500
Derivatives designated as hedging instruments | Interest rate contracts    
Gross Derivative Assets    
Notional Amount 2,829 11,987
Fair Value 359 364
Gross Derivative Liabilities    
Notional Amount 17,062 9,734
Fair Value 941 234
Derivatives designated as hedging instruments | Foreign exchange contracts    
Gross Derivative Assets    
Notional Amount 9,297 3,855
Fair Value 337 252
Gross Derivative Liabilities    
Notional Amount 2,909 8,128
Fair Value 185 236
Derivatives not designated as hedging instruments | Interest rate contracts    
Gross Derivative Assets    
Notional Amount 15,956 19,672
Fair Value 1,054 552
Gross Derivative Liabilities    
Notional Amount 29,785 25,397
Fair Value 2,561 1,399
Derivatives not designated as hedging instruments | Foreign exchange contracts    
Gross Derivative Assets    
Notional Amount 7,911 6,139
Fair Value 419 459
Gross Derivative Liabilities    
Notional Amount 5,029 6,847
Fair Value 235 318
Derivatives not designated as hedging instruments | Equity contracts    
Gross Derivative Assets    
Notional Amount 78,884 66,780
Fair Value 9,194 8,388
Gross Derivative Liabilities    
Notional Amount 81,619 64,855
Fair Value 5,183 4,900
Derivatives not designated as hedging instruments | Credit contracts    
Gross Derivative Assets    
Notional Amount 22,600 0
Fair Value 401 0
Gross Derivative Liabilities    
Notional Amount 22,600 0
Fair Value 23 0
Derivatives not designated as hedging instruments | Other contracts    
Gross Derivative Assets    
Notional Amount 50,118 49,020
Fair Value 20 14
Gross Derivative Liabilities    
Notional Amount 44 212
Fair Value $ 1 $ 4