v3.26.1
Fair Value of Assets and Liabilities (Derivative Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets $ 1,725 $ 1,671
Netting (31,419) (24,445)
Total derivative liabilities 5,759 6,215
Netting (38,026) (32,942)
Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 11,761 11,217
Total derivative liabilities 25,641 25,593
Currency    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 1,884 1,384
Total derivative liabilities 1,834 1,591
Credit Risk Contract    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 97 112
Total derivative liabilities 8 0
Currency/Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 1,759 1,656
Total derivative liabilities 1,308 1,619
Equity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 17,643 11,747
Total derivative liabilities 14,994 10,354
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 309 300
Total derivative liabilities 293 280
Level 1 | Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 10 7
Total derivative liabilities 36 22
Level 1 | Currency    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities 0 0
Level 1 | Credit Risk Contract    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities 0 0
Level 1 | Currency/Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities 0 0
Level 1 | Equity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 299 293
Total derivative liabilities 257 258
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 32,835 25,816
Total derivative liabilities 43,492 38,877
Level 2 | Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 11,751 11,210
Total derivative liabilities 25,605 25,571
Level 2 | Currency    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 1,884 1,384
Total derivative liabilities 1,834 1,591
Level 2 | Credit Risk Contract    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 97 112
Total derivative liabilities 8 0
Level 2 | Currency/Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 1,759 1,656
Total derivative liabilities 1,308 1,619
Level 2 | Equity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 17,344 11,454
Total derivative liabilities 14,737 10,096
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities 0 0
Level 3 | Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities 0 0
Level 3 | Currency    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities 0 0
Level 3 | Credit Risk Contract    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities 0 0
Level 3 | Currency/Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities 0 0
Level 3 | Equity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total derivative assets 0 0
Total derivative liabilities $ 0 $ 0