v3.25.2
FAIR VALUE MEASUREMENT - Estimate Fair Value of Financial Instruments Not Carried at Fair Value (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Assets            
Loans $ 9,257   $ 8,040      
Liabilities            
Deposits 1,357,733   1,284,458      
Investments 449,400   476,657      
Allowance for credit losses 19,123 $ 18,726 18,574 $ 18,216 $ 18,296 $ 18,145
Loans, net of unearned income 725,345   694,488      
Corporate loans            
Assets            
Loans 9,230   7,759      
Liabilities            
Allowance for credit losses 3,023 $ 2,725 2,556 $ 2,484 $ 2,772 $ 2,714
Loans, net of unearned income 329,586   301,386      
Lease financing            
Liabilities            
Loans, net of unearned income 200   300      
Carrying value            
Assets            
HTM debt securities, net of allowance(1) 211,400   247,600      
Securities borrowed and purchased under agreements to resell 148,900   133,200      
Loans 696,700   667,600      
Other financial assets 439,000   362,200      
Liabilities            
Deposits 1,353,600   1,280,900      
Securities loaned and sold under agreements to repurchase 155,500   205,600      
Long-term debt 190,300   174,500      
Other financial liabilities 163,500   137,700      
Allowance for credit losses 19,100   18,600      
Estimated fair value            
Assets            
HTM debt securities, net of allowance(1) 197,600   229,800      
Securities borrowed and purchased under agreements to resell 148,900   133,200      
Loans 712,400   673,500      
Other financial assets 439,000   362,200      
Liabilities            
Deposits 1,353,600   1,280,900      
Securities loaned and sold under agreements to repurchase 155,500   205,600      
Long-term debt 193,500   178,000      
Other financial liabilities 163,500   137,700      
Estimated fair value | Corporate loans            
Liabilities            
Loans, net of unearned income 9,230   7,759      
Estimated fair value | Level 1            
Assets            
HTM debt securities, net of allowance(1) 91,200   120,200      
Securities borrowed and purchased under agreements to resell 0   0      
Loans 0   0      
Other financial assets 337,500   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      
Estimated fair value | Level 2            
Assets            
HTM debt securities, net of allowance(1) 104,100   107,400      
Securities borrowed and purchased under agreements to resell 148,900   133,200      
Loans 0   0      
Other financial assets 101,500   15,900      
Liabilities            
Deposits 1,353,600   1,280,900      
Securities loaned and sold under agreements to repurchase 155,500   205,600      
Long-term debt 188,400   162,100      
Other financial liabilities 163,500   34,700      
Estimated fair value | Level 3            
Assets            
HTM debt securities, net of allowance(1) 2,300   2,200      
Securities borrowed and purchased under agreements to resell 0   0      
Loans 712,400   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 5,100   15,900      
Other financial liabilities 0   103,000      
Estimated fair value | Level 3 | Corporate loans            
Fair value measurements additional disclosures            
Unfunded lending commitments 9,800   13,500      
Carried at cost | Non-marketable equity securities            
Liabilities            
Investments $ 5,300   $ 5,200