v3.25.4
FAIR VALUE MEASUREMENT - Estimate Fair Value of Financial Instruments Not Carried at Fair Value (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Assets        
Loans $ 6,855 $ 8,040    
Liabilities        
Deposits 1,403,573 1,284,458    
Total investments 444,229 476,657    
Allowance for credit loss 19,247 18,574 $ 18,145 $ 16,974
Total loans 752,230 694,488    
Corporate        
Assets        
Loans 6,804 7,759    
Liabilities        
Allowance for credit loss 3,053 2,556 $ 2,714 $ 2,855
Total loans 343,697 301,386    
Carrying value        
Assets        
HTM debt securities, net of allowance 194,900 247,600    
Securities borrowed and purchased under agreements to resell 150,100 133,200    
Loans 726,000 667,600    
Other financial assets 448,000 362,200    
Liabilities        
Deposits 1,399,400 1,280,900    
Securities loaned and sold under agreements to repurchase 148,700 205,600    
Long-term debt 185,000 174,500    
Other financial liabilities 141,800 137,700    
Fair value        
Assets        
HTM debt securities, net of allowance 184,700 229,800    
Securities borrowed and purchased under agreements to resell 150,100 133,200    
Loans 742,100 673,500    
Other financial assets 448,000 362,200    
Liabilities        
Deposits 1,399,300 1,280,900    
Securities loaned and sold under agreements to repurchase 148,700 205,600    
Long-term debt 189,900 178,000    
Other financial liabilities 141,800 137,700    
Fair value | Non-marketable equity securities        
Liabilities        
Total investments 446 427    
Fair value | Corporate        
Liabilities        
Total loans 6,804 7,759    
Fair value | Level 1        
Assets        
HTM debt securities, net of allowance 87,300 120,200    
Securities borrowed and purchased under agreements to resell 0 0    
Loans 0 0    
Other financial assets 349,600 260,600    
Liabilities        
Deposits 0 0    
Securities loaned and sold under agreements to repurchase 0 0    
Long-term debt 0 0    
Other financial liabilities 0 0    
Fair value | Level 2        
Assets        
HTM debt securities, net of allowance 95,200 107,400    
Securities borrowed and purchased under agreements to resell 150,100 133,200    
Loans 0 0    
Other financial assets 98,400 15,900    
Liabilities        
Deposits 1,399,300 1,280,900    
Securities loaned and sold under agreements to repurchase 148,700 205,600    
Long-term debt 183,800 162,100    
Other financial liabilities 141,800 34,700    
Fair value | Level 3        
Assets        
HTM debt securities, net of allowance 2,200 2,200    
Securities borrowed and purchased under agreements to resell 0 0    
Loans 742,100 673,500    
Other financial assets 0 85,700    
Liabilities        
Deposits 0 0    
Securities loaned and sold under agreements to repurchase 0 0    
Long-term debt 6,100 15,900    
Other financial liabilities 0 103,000    
Fair value | Level 3 | Corporate        
Fair value measurements additional disclosures        
Unfunded lending commitments 10,800 13,500    
Carried at cost | Non-marketable equity securities        
Liabilities        
Total investments 5,050 5,247    
Lease financing        
Liabilities        
Total loans 100 300    
Lease financing | Corporate        
Liabilities        
Total loans $ 119 $ 276