v3.26.1
LOANS - Consumer Loans, Delinquencies and Non-Accrual Details (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income $ 793,658   $ 793,658   $ 752,230
Held at fair value $ 8,230   $ 8,230   6,855
Investment grade % 69.00%   69.00%    
Reversal of accrued interest $ 500 $ 500 $ 1,000 $ 900  
Unallocated portfolio layer cumulative basis adjustments         17
Total 416,622   416,622    
Consumer loans          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 416,520   416,520   408,533
Non-accrual loans for which there is no ACLL 197   197   153
Non-accrual loans for which there is an ACLL 1,285   1,285   1,465
Total non-accrual 1,482   1,482   1,618
90 days  past due and accruing 2,587   2,587   2,760
Total excluding portfolio-layer hedges cumulative basis adjustments 416,622   416,622   408,190
Held at fair value 26   26   51
Unearned income 997   997   971
Accrued interest receivable 1,000   1,000   1,000
Unallocated portfolio layer cumulative basis adjustments (102)   (102)   343
Consumer loans | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Total 53,504   53,504    
Consumer loans | Current          
Financing Receivable, Past Due [Line Items]          
Total excluding portfolio-layer hedges cumulative basis adjustments 409,953   409,953   401,095
Consumer loans | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Total excluding portfolio-layer hedges cumulative basis adjustments 3,204   3,204   3,340
Consumer loans | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Total excluding portfolio-layer hedges cumulative basis adjustments 3,255   3,255   3,540
Consumer loans | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Total excluding portfolio-layer hedges cumulative basis adjustments 210   210   215
Consumer loans | In North America offices          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income         329,128
Non-accrual loans for which there is no ACLL 197   197   153
Non-accrual loans for which there is an ACLL 582   582   794
Total non-accrual 779   779   947
90 days  past due and accruing 2,489   2,489   2,667
Total 334,463   334,463    
Consumer loans | In North America offices | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 328,720   328,720   322,896
Consumer loans | In North America offices | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 2,764   2,764   2,921
Consumer loans | In North America offices | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 2,769   2,769   3,096
Consumer loans | In North America offices | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 210   210   215
Consumer loans | In offices outside North America          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income         79,062
Non-accrual loans for which there is no ACLL 0   0   0
Non-accrual loans for which there is an ACLL 703   703   671
Total non-accrual 703   703   671
90 days  past due and accruing 98   98   93
Total 82,159   82,159    
Consumer loans | In offices outside North America | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 26,022   26,022   22,297
Consumer loans | In offices outside North America | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 81,233   81,233   78,199
Consumer loans | In offices outside North America | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 440   440   419
Consumer loans | In offices outside North America | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 486   486   444
Consumer loans | In offices outside North America | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0   0
Consumer loans | Residential mortgages          
Financing Receivable, Past Due [Line Items]          
Held at fair value 26   26   51
Consumer loans | Residential mortgages | In North America offices          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 120,516   120,516   119,389
Non-accrual loans for which there is no ACLL 180   180   125
Non-accrual loans for which there is an ACLL 462   462   560
Total non-accrual 642   642   685
90 days  past due and accruing 129   129   121
Mortgage loans in process of foreclosure (less than) 200   200   200
Consumer loans | Residential mortgages | In North America offices | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0    
Consumer loans | Residential mortgages | In North America offices | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 119,585   119,585   118,264
Consumer loans | Residential mortgages | In North America offices | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 368   368   426
Consumer loans | Residential mortgages | In North America offices | 30–89 days past due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 100   100    
Consumer loans | Residential mortgages | In North America offices | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 353   353   484
Consumer loans | Residential mortgages | In North America offices | 90+ days past due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income         100
Consumer loans | Residential mortgages | In North America offices | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 210   210   215
Consumer loans | Residential mortgages | In offices outside North America          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 23,866   23,866   24,041
Non-accrual loans for which there is no ACLL 0   0   0
Non-accrual loans for which there is an ACLL 168   168   180
Total non-accrual 168   168   180
90 days  past due and accruing 0   0   0
Mortgage loans in process of foreclosure (less than) 100   100   100
Consumer loans | Residential mortgages | In offices outside North America | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0   0
Consumer loans | Residential mortgages | In offices outside North America | Global Wealth Management Business          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 18,300   18,300   18,600
Consumer loans | Residential mortgages | In offices outside North America | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 23,747   23,747   23,928
Consumer loans | Residential mortgages | In offices outside North America | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 38   38   35
Consumer loans | Residential mortgages | In offices outside North America | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 81   81   78
Consumer loans | Residential mortgages | In offices outside North America | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0   0
Consumer loans | Home equity loans | In North America offices          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 2,271   2,271   2,872
Non-accrual loans for which there is no ACLL 15   15   23
Non-accrual loans for which there is an ACLL 45   45   82
Total non-accrual 60   60   105
90 days  past due and accruing 0   0   0
Home equity loans in process of foreclosure, less than 100   100   100
Consumer loans | Home equity loans | In North America offices | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0    
Consumer loans | Home equity loans | In North America offices | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 2,226   2,226   2,810
Consumer loans | Home equity loans | In North America offices | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 14   14   26
Consumer loans | Home equity loans | In North America offices | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 31   31   36
Consumer loans | Home equity loans | In North America offices | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0   0
Consumer loans | Credit cards | In North America offices          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 177,608   177,608   173,656
Non-accrual loans for which there is no ACLL 0   0   0
Non-accrual loans for which there is an ACLL 0   0   0
Total non-accrual 0   0   0
90 days  past due and accruing 2,351   2,351   2,545
Consumer loans | Credit cards | In North America offices | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0    
Consumer loans | Credit cards | In North America offices | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 172,990   172,990   168,738
Consumer loans | Credit cards | In North America offices | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 2,267   2,267   2,373
Consumer loans | Credit cards | In North America offices | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 2,351   2,351   2,545
Consumer loans | Credit cards | In North America offices | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0   0
Consumer loans | Credit cards | In offices outside North America          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 14,814   14,814   14,701
Non-accrual loans for which there is no ACLL 0   0   0
Non-accrual loans for which there is an ACLL 359   359   323
Total non-accrual 359   359   323
90 days  past due and accruing 98   98   93
Consumer loans | Credit cards | In offices outside North America | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0   0
Consumer loans | Credit cards | In offices outside North America | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 14,187   14,187   14,128
Consumer loans | Credit cards | In offices outside North America | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 271   271   256
Consumer loans | Credit cards | In offices outside North America | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 356   356   317
Consumer loans | Credit cards | In offices outside North America | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0   0
Consumer loans | Personal, small business and other | In North America offices          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 34,068   34,068   33,211
Non-accrual loans for which there is no ACLL 2   2   5
Non-accrual loans for which there is an ACLL 75   75   152
Total non-accrual 77   77   157
90 days  past due and accruing 9   9   1
Consumer loans | Personal, small business and other | In North America offices | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income $ 27,482   $ 27,482    
Investment grade % 80.00%   80.00%    
Consumer loans | Personal, small business and other | In North America offices | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income $ 33,919   $ 33,919   33,084
Consumer loans | Personal, small business and other | In North America offices | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 115   115   96
Consumer loans | Personal, small business and other | In North America offices | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 34   34   31
Consumer loans | Personal, small business and other | In North America offices | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 0   0   0
Consumer loans | Personal, small business and other | In offices outside North America          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 43,479   43,479   40,320
Non-accrual loans for which there is no ACLL 0   0   0
Non-accrual loans for which there is an ACLL 176   176   168
Total non-accrual 176   176   168
90 days  past due and accruing 0   0   0
Consumer loans | Personal, small business and other | In offices outside North America | Classifiably managed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income $ 26,022   $ 26,022   22,297
Investment grade % 58.00%   58.00%    
Consumer loans | Personal, small business and other | In offices outside North America | Global Wealth Management Business          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income $ 33,100   $ 33,100   30,600
Consumer loans | Personal, small business and other | In offices outside North America | Current          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 43,299   43,299   40,143
Consumer loans | Personal, small business and other | In offices outside North America | 30–89 days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 131   131   128
Consumer loans | Personal, small business and other | In offices outside North America | 90+ days past due          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income 49   49   49
Consumer loans | Personal, small business and other | In offices outside North America | Past Due | Government-guaranteed          
Financing Receivable, Past Due [Line Items]          
Loans, net of unearned income $ 0   $ 0   $ 0