v3.26.1
GUARANTEES AND COMMITMENTS - Credit Commitments and Lines of Credit (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Guarantor Obligations    
Credit commitments $ 1,118,407 $ 1,097,216
Unsettled reverse repurchase and securities borrowing agreements 267,100 189,300
Unsettled repurchase and securities lending agreements 243,100 186,900
Commercial and similar letters of credit    
Guarantor Obligations    
Credit commitments 5,030 4,134
One- to four-family residential mortgages    
Guarantor Obligations    
Credit commitments 1,543 1,521
Revolving open-end loans secured by one- to four-family residential properties    
Guarantor Obligations    
Credit commitments 4,939 5,003
Commercial real estate, construction and land development    
Guarantor Obligations    
Credit commitments 13,783 14,811
Credit card lines    
Guarantor Obligations    
Credit commitments 704,865 694,594
Commercial and other consumer loan commitments    
Guarantor Obligations    
Credit commitments 385,841 371,817
Other commitments and contingencies    
Guarantor Obligations    
Credit commitments 2,406 5,336
U.S.    
Guarantor Obligations    
Credit commitments 928,590  
U.S. | Commercial and similar letters of credit    
Guarantor Obligations    
Credit commitments 561  
U.S. | One- to four-family residential mortgages    
Guarantor Obligations    
Credit commitments 954  
U.S. | Revolving open-end loans secured by one- to four-family residential properties    
Guarantor Obligations    
Credit commitments 4,938  
U.S. | Commercial real estate, construction and land development    
Guarantor Obligations    
Credit commitments 10,984  
U.S. | Credit card lines    
Guarantor Obligations    
Credit commitments 639,005  
U.S. | Commercial and other consumer loan commitments    
Guarantor Obligations    
Credit commitments 269,957  
U.S. | Other commitments and contingencies    
Guarantor Obligations    
Credit commitments 2,191  
U.S. | Other commitments and contingencies | Federal Reserve Bank Stock    
Guarantor Obligations    
Credit commitments 4,500 $ 4,500
Outside of U.S.    
Guarantor Obligations    
Credit commitments 189,817  
Outside of U.S. | Commercial and similar letters of credit    
Guarantor Obligations    
Credit commitments 4,469  
Outside of U.S. | One- to four-family residential mortgages    
Guarantor Obligations    
Credit commitments 589  
Outside of U.S. | Revolving open-end loans secured by one- to four-family residential properties    
Guarantor Obligations    
Credit commitments 1  
Outside of U.S. | Commercial real estate, construction and land development    
Guarantor Obligations    
Credit commitments 2,799  
Outside of U.S. | Credit card lines    
Guarantor Obligations    
Credit commitments 65,860  
Outside of U.S. | Commercial and other consumer loan commitments    
Guarantor Obligations    
Credit commitments 115,884  
Outside of U.S. | Other commitments and contingencies    
Guarantor Obligations    
Credit commitments $ 215