v3.26.1
Fair Value Measurements - Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities $ 783 $ 1,061
Total securities available for sale 38,918 39,596
Loans, net of unearned income (residential) 109,190 106,541
Derivative assets 663 472
Netting adjustments (295) (297)
Total derivative assets 368 175
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 1,077 927
Netting adjustments (485) (274)
U.S. Treasury, agencies and corporations    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 7,844 7,886
Agency residential mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 18,933 19,195
Commercial Mortgage Backed Securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 3,892 3,950
Recurring    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 779 1,056
Commercial loans 4 5
Total trading account assets 783 1,061
Total securities available for sale 38,918 39,596
Total other investments 89 86
Loans, net of unearned income (residential) 11 11
Loans held for sale (residential) 100 149
Derivative assets 663 472
Netting adjustments (295) (297)
Total derivative assets 368 175
Total assets on a recurring basis at fair value 40,269 41,078
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 1,077 927
Netting adjustments (485) (274)
Total derivative liabilities 592 653
Total liabilities on a recurring basis at fair value 1,491 1,474
Recurring | Short positions    
LIABILITIES MEASURED ON A RECURRING BASIS    
Short positions 899 821
Recurring | Interest rate    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 115 132
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 582 577
Recurring | Foreign exchange    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 90 83
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 84 80
Recurring | Commodity    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 406 249
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 394 237
Recurring | Credit    
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 1 8
Recurring | Other    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 52 8
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 16 25
Recurring | Agency residential collateralized mortgage obligations    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 8,249 8,565
Recurring | Other mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 261 316
Recurring | U.S. Treasury, agencies and corporations    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 428 674
Total securities available for sale 7,844 7,886
Recurring | States and political subdivisions    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 37 60
Recurring | Other securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 53 6
Total securities available for sale 0 0
Recurring | Agency residential mortgage-backed securities | Other mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 18,933 19,195
Recurring | Commercial Mortgage Backed Securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 3,892 3,950
Recurring | Indirect investments | Variable Interest Entity, Not Primary Beneficiary    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 8 9
Recurring | Principal Investments    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 8 9
Recurring | Equity Investments, Direct    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 2 3
Recurring | Equity Investments Direct, NAV    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 76 71
Recurring | Equity Investments Indirect, NAV    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 3 3
Recurring | Equity Investments    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 81 77
Level 1 | Indirect investments | Variable Interest Entity, Not Primary Beneficiary    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 1 | Recurring    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 1 0
Commercial loans 0 0
Total trading account assets 1 0
Total securities available for sale 0 0
Total other investments 0 0
Loans, net of unearned income (residential) 0 0
Loans held for sale (residential) 0 0
Derivative assets 58 39
Netting adjustments 0 0
Total derivative assets 58 39
Total assets on a recurring basis at fair value 59 39
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 52 36
Netting adjustments 0 0
Total derivative liabilities 52 36
Total liabilities on a recurring basis at fair value 673 448
Level 1 | Recurring | Short positions    
LIABILITIES MEASURED ON A RECURRING BASIS    
Short positions 621 412
Level 1 | Recurring | Interest rate    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 0 0
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 0 0
Level 1 | Recurring | Foreign exchange    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 58 39
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 52 36
Level 1 | Recurring | Commodity    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 0 0
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 0 0
Level 1 | Recurring | Credit    
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 0 0
Level 1 | Recurring | Other    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 0 0
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 0 0
Level 1 | Recurring | Agency residential collateralized mortgage obligations    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 0 0
Level 1 | Recurring | Other mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 0 0
Level 1 | Recurring | U.S. Treasury, agencies and corporations    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 0 0
Total securities available for sale 0 0
Level 1 | Recurring | States and political subdivisions    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 0 0
Level 1 | Recurring | Other securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 1 0
Total securities available for sale 0 0
Level 1 | Recurring | Agency residential mortgage-backed securities | Other mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 0 0
Level 1 | Recurring | Commercial Mortgage Backed Securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 0 0
Level 1 | Recurring | Principal Investments    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 1 | Recurring | Equity Investments, Direct    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 1 | Recurring | Equity Investments Direct, NAV    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 1 | Recurring | Equity Investments Indirect, NAV    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 1 | Recurring | Equity Investments    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 2 | Indirect investments | Variable Interest Entity, Not Primary Beneficiary    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 2 | Recurring    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 778 1,056
Commercial loans 4 5
Total trading account assets 782 1,061
Total securities available for sale 38,918 39,596
Total other investments 0 0
Loans, net of unearned income (residential) 0 0
Loans held for sale (residential) 100 149
Derivative assets 606 435
Netting adjustments 0 0
Total derivative assets 606 435
Total assets on a recurring basis at fair value 40,406 41,241
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 1,024 891
Netting adjustments 0 0
Total derivative liabilities 1,024 891
Total liabilities on a recurring basis at fair value 1,302 1,300
Level 2 | Recurring | Short positions    
LIABILITIES MEASURED ON A RECURRING BASIS    
Short positions 278 409
Level 2 | Recurring | Interest rate    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 117 135
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 582 577
Level 2 | Recurring | Foreign exchange    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 32 44
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 32 44
Level 2 | Recurring | Commodity    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 406 249
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 394 237
Level 2 | Recurring | Credit    
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 1 8
Level 2 | Recurring | Other    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 51 7
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 15 25
Level 2 | Recurring | Agency residential collateralized mortgage obligations    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 8,249 8,565
Level 2 | Recurring | Other mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 261 316
Level 2 | Recurring | U.S. Treasury, agencies and corporations    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 428 674
Total securities available for sale 7,844 7,886
Level 2 | Recurring | States and political subdivisions    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 37 60
Level 2 | Recurring | Other securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 52 6
Total securities available for sale 0 0
Level 2 | Recurring | Agency residential mortgage-backed securities | Other mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 18,933 19,195
Level 2 | Recurring | Commercial Mortgage Backed Securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 3,892 3,950
Level 2 | Recurring | Principal Investments    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 2 | Recurring | Equity Investments, Direct    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 2 | Recurring | Equity Investments Direct, NAV    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 2 | Recurring | Equity Investments Indirect, NAV    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 2 | Recurring | Equity Investments    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 3 | Other    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 1  
Level 3 | Indirect investments | Variable Interest Entity, Not Primary Beneficiary    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 3 | Recurring    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 0 0
Commercial loans 0 0
Total trading account assets 0 0
Total securities available for sale 0 0
Total other investments 2 3
Loans, net of unearned income (residential) 11 11
Loans held for sale (residential) 0 0
Derivative assets (1) (2)
Netting adjustments 0 0
Total derivative assets (1) (2)
Total assets on a recurring basis at fair value 12 12
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 1 0
Netting adjustments 0 0
Total derivative liabilities 1 0
Total liabilities on a recurring basis at fair value 1 0
Level 3 | Recurring | Short positions    
LIABILITIES MEASURED ON A RECURRING BASIS    
Short positions 0 0
Level 3 | Recurring | Interest rate    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets (2) (3)
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 0 0
Level 3 | Recurring | Foreign exchange    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 0 0
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 0 0
Level 3 | Recurring | Commodity    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets 0 0
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 0 0
Level 3 | Recurring | Credit    
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 0 0
Level 3 | Recurring | Other    
ASSETS MEASURED ON A RECURRING BASIS    
Derivative assets   1
LIABILITIES MEASURED ON A RECURRING BASIS    
Derivative liabilities 1 0
Level 3 | Recurring | Agency residential collateralized mortgage obligations    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 0 0
Level 3 | Recurring | Other mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 0 0
Level 3 | Recurring | U.S. Treasury, agencies and corporations    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 0 0
Total securities available for sale 0 0
Level 3 | Recurring | States and political subdivisions    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 0 0
Level 3 | Recurring | Other securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total trading account securities 0 0
Total securities available for sale 0 0
Level 3 | Recurring | Agency residential mortgage-backed securities | Other mortgage-backed securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 0 0
Level 3 | Recurring | Commercial Mortgage Backed Securities    
ASSETS MEASURED ON A RECURRING BASIS    
Total securities available for sale 0 0
Level 3 | Recurring | Principal Investments    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 3 | Recurring | Equity Investments, Direct    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 2 3
Level 3 | Recurring | Equity Investments Direct, NAV    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 3 | Recurring | Equity Investments Indirect, NAV    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments 0 0
Level 3 | Recurring | Equity Investments    
ASSETS MEASURED ON A RECURRING BASIS    
Total other investments $ 2 $ 3