v3.26.3
Commitments and Contingencies - Pledged Assets and Funds in Trust (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Other Commitments [Line Items]    
Investment funds $ 32,675 $ 26,327
Derivative assets 10,950 9,190
Restricted cash 1,066 1,332
Total restricted assets 120,089 110,728
Asset Pledged as Collateral    
Other Commitments [Line Items]    
AFS securities 65,867 59,336
Debt Securities, Trading, Restricted 3,024 3,350
Equity securities 116 156
Mortgage loans, net of allowances 47,075 44,204
Investment funds 447 293
Derivative assets 204 160
Other investments 2,273 1,880
Restricted cash $ 1,083 $ 1,349