v3.26.1
FAIR VALUE MEASUREMENTS - Schedule of Fair Value Measurements (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Assets        
Debt securities available for sale [1] $ 36,361 $ 35,697    
Loans held for sale at fair value 917 1,065    
Mortgage servicing rights 1,462 1,455    
Derivative assets 1,692 1,532    
Equity securities, at fair value 269 251    
Short-term investments 65 72    
Total assets 40,766 40,072    
Liabilities        
Total derivative liabilities 1,519 1,258    
Short-term borrowed funds 54 52    
Other liabilities 113 157    
Total liabilities 1,686 1,467    
Equity securities excluded from investments 336 317    
Mortgage-backed securities        
Assets        
Debt securities available for sale 31,937 32,484    
Collateralized loan obligations        
Assets        
Debt securities available for sale 89 89    
State and political subdivisions        
Assets        
Debt securities available for sale 1 1    
U.S. Treasury and other        
Assets        
Debt securities available for sale 4,334 3,123    
Residential loans held for sale        
Assets        
Loans held for sale at fair value 778 895    
Commercial loans held for sale        
Assets        
Loans held for sale at fair value 139 170    
Mortgage servicing rights        
Assets        
Mortgage servicing rights 1,462 1,455 $ 1,397 $ 1,491
Interest rate contracts        
Assets        
Derivative assets 411 553    
Liabilities        
Total derivative liabilities 468 471    
Foreign exchange contracts        
Assets        
Derivative assets 528 510    
Liabilities        
Total derivative liabilities 366 373    
Commodities contracts        
Assets        
Derivative assets 717 458    
Liabilities        
Total derivative liabilities 661 405    
TBA contracts        
Assets        
Derivative assets 29 2    
Liabilities        
Total derivative liabilities 20 6    
Other contracts        
Assets        
Derivative assets 7 9    
Liabilities        
Total derivative liabilities 4 3    
Level 1        
Assets        
Debt securities available for sale 4,334 3,123    
Loans held for sale at fair value 0 0    
Derivative assets 0 0    
Equity securities, at fair value 269 251    
Short-term investments 30 40    
Total assets 4,633 3,414    
Liabilities        
Total derivative liabilities 0 0    
Short-term borrowed funds 40 40    
Other liabilities 0 0    
Total liabilities 40 40    
Level 1 | Mortgage-backed securities        
Assets        
Debt securities available for sale 0 0    
Level 1 | Collateralized loan obligations        
Assets        
Debt securities available for sale 0 0    
Level 1 | State and political subdivisions        
Assets        
Debt securities available for sale 0 0    
Level 1 | U.S. Treasury and other        
Assets        
Debt securities available for sale 4,334 3,123    
Level 1 | Residential loans held for sale        
Assets        
Loans held for sale at fair value 0 0    
Level 1 | Commercial loans held for sale        
Assets        
Loans held for sale at fair value 0 0    
Level 1 | Mortgage servicing rights        
Assets        
Mortgage servicing rights 0 0    
Level 1 | Interest rate contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 1 | Foreign exchange contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 1 | Commodities contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 1 | TBA contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 1 | Other contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 2        
Assets        
Debt securities available for sale 32,027 32,574    
Loans held for sale at fair value 917 1,065    
Derivative assets 1,687 1,524    
Equity securities, at fair value 0 0    
Short-term investments 35 32    
Total assets 34,666 35,195    
Liabilities        
Total derivative liabilities 1,515 1,255    
Short-term borrowed funds 14 12    
Other liabilities 113 157    
Total liabilities 1,642 1,424    
Level 2 | Mortgage-backed securities        
Assets        
Debt securities available for sale 31,937 32,484    
Level 2 | Collateralized loan obligations        
Assets        
Debt securities available for sale 89 89    
Level 2 | State and political subdivisions        
Assets        
Debt securities available for sale 1 1    
Level 2 | U.S. Treasury and other        
Assets        
Debt securities available for sale 0 0    
Level 2 | Residential loans held for sale        
Assets        
Loans held for sale at fair value 778 895    
Level 2 | Commercial loans held for sale        
Assets        
Loans held for sale at fair value 139 170    
Level 2 | Mortgage servicing rights        
Assets        
Mortgage servicing rights 0 0    
Level 2 | Interest rate contracts        
Assets        
Derivative assets 411 553    
Liabilities        
Total derivative liabilities 468 471    
Level 2 | Foreign exchange contracts        
Assets        
Derivative assets 528 510    
Liabilities        
Total derivative liabilities 366 373    
Level 2 | Commodities contracts        
Assets        
Derivative assets 717 458    
Liabilities        
Total derivative liabilities 661 405    
Level 2 | TBA contracts        
Assets        
Derivative assets 29 2    
Liabilities        
Total derivative liabilities 20 6    
Level 2 | Other contracts        
Assets        
Derivative assets 2 1    
Liabilities        
Total derivative liabilities 0 0    
Level 3        
Assets        
Debt securities available for sale 0 0    
Loans held for sale at fair value 0 0    
Derivative assets 5 8    
Equity securities, at fair value 0 0    
Short-term investments 0 0    
Total assets 1,467 1,463    
Liabilities        
Total derivative liabilities 4 3    
Short-term borrowed funds 0 0    
Other liabilities 0 0    
Total liabilities 4 3    
Level 3 | Mortgage-backed securities        
Assets        
Debt securities available for sale 0 0    
Level 3 | Collateralized loan obligations        
Assets        
Debt securities available for sale 0 0    
Level 3 | State and political subdivisions        
Assets        
Debt securities available for sale 0 0    
Level 3 | U.S. Treasury and other        
Assets        
Debt securities available for sale 0 0    
Level 3 | Residential loans held for sale        
Assets        
Loans held for sale at fair value 0 0    
Level 3 | Commercial loans held for sale        
Assets        
Loans held for sale at fair value 0 0    
Level 3 | Mortgage servicing rights        
Assets        
Mortgage servicing rights 1,462 1,455    
Level 3 | Interest rate contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 3 | Foreign exchange contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 3 | Commodities contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 3 | TBA contracts        
Assets        
Derivative assets 0 0    
Liabilities        
Total derivative liabilities 0 0    
Level 3 | Other contracts        
Assets        
Derivative assets 5 8    
Liabilities        
Total derivative liabilities 4 3    
Fair Value Measured at Net Asset Value Per Share        
Liabilities        
Equity securities excluded from investments 67 66    
Unfunded capital commitments $ 14 $ 14    
[1] Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.