v3.26.1
LOANS - Consumer Loans, Delinquencies and Non-Accrual Details (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income $ 761,616   $ 752,230
Held at fair value 8,523   6,855
Reversal of accrued interest 500 $ 500  
Unallocated portfolio layer cumulative basis adjustments     17
Consumer loans      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 402,391   408,533
Non-accrual loans for which there is no ACLL 166   153
Non-accrual loans for which there is an ACLL 1,248   1,465
Total non-accrual 1,414   1,618
90 days  past due and accruing 2,768   2,760
Total excluding portfolio-layer hedges cumulative basis adjustments 402,185   408,190
Held at fair value 25   51
Unearned income 973   971
Accrued interest receivable 1,000   1,000
Unallocated portfolio layer cumulative basis adjustments 206   343
Consumer loans | Current      
Financing Receivable, Past Due [Line Items]      
Total excluding portfolio-layer hedges cumulative basis adjustments 395,284   401,095
Consumer loans | 30–89 days past due      
Financing Receivable, Past Due [Line Items]      
Total excluding portfolio-layer hedges cumulative basis adjustments 3,249   3,340
Consumer loans | 90+ days past due      
Financing Receivable, Past Due [Line Items]      
Total excluding portfolio-layer hedges cumulative basis adjustments 3,443   3,540
Consumer loans | Past Due | Government-guaranteed      
Financing Receivable, Past Due [Line Items]      
Total excluding portfolio-layer hedges cumulative basis adjustments 209   215
Consumer loans | In North America offices      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 322,572   329,128
Non-accrual loans for which there is no ACLL 166   153
Non-accrual loans for which there is an ACLL 606   794
Total non-accrual 772   947
90 days  past due and accruing 2,671   2,667
Consumer loans | In North America offices | Current      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 316,558   322,896
Consumer loans | In North America offices | 30–89 days past due      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 2,811   2,921
Consumer loans | In North America offices | 90+ days past due      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 2,994   3,096
Consumer loans | In North America offices | 90+ days past due | Banking      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 26,600   26,000
Consumer loans | In North America offices | Past Due | Government-guaranteed      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 209   215
Consumer loans | In offices outside North America      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 79,613   79,062
Non-accrual loans for which there is no ACLL 0   0
Non-accrual loans for which there is an ACLL 642   671
Total non-accrual 642   671
90 days  past due and accruing 97   93
Consumer loans | In offices outside North America | Classifiably managed      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 23,264   22,297
Consumer loans | In offices outside North America | Current      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 78,726   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 438   419
Consumer loans | In offices outside North America | 90+ days past due      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 449   444
Consumer loans | In offices outside North America | 90+ days past due | Banking      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 23,300   22,300
Consumer loans | In offices outside North America | Past Due | Government-guaranteed      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 0   0
Consumer loans | Residential mortgages      
Financing Receivable, Past Due [Line Items]      
Held at fair value 25   51
Consumer loans | Residential mortgages | In North America offices      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 119,234   119,389
Non-accrual loans for which there is no ACLL 137   125
Non-accrual loans for which there is an ACLL 461   560
Total non-accrual 598   685
90 days  past due and accruing 130   121
Mortgage loans in process of foreclosure (less than) 200   200
Consumer loans | Residential mortgages | In North America offices | Current      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 118,185   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 450   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    
Consumer loans | Residential mortgages | In North America offices | 90+ days past due      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 390   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 209   215
Consumer loans | Residential mortgages | In offices outside North America      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 23,867   24,041
Non-accrual loans for which there is no ACLL 0   0
Non-accrual loans for which there is an ACLL 166   180
Total non-accrual 166   180
90 days  past due and accruing 0   0
Mortgage loans in process of foreclosure (less than) 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
Consumer loans | Residential mortgages | In offices outside North America | Global Wealth Management Business      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 18,400   18,600
Consumer loans | Residential mortgages | In offices outside North America | Current      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 23,751   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 39   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 77   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
Consumer loans | Home equity loans | In North America offices      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 2,777   2,872
Non-accrual loans for which there is no ACLL 27   23
Non-accrual loans for which there is an ACLL 75   82
Total non-accrual 102   105
90 days  past due and accruing 0   0
Home equity loans in process of foreclosure, less than 100   100
Consumer loans | Home equity loans | In North America offices | Current      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 2,721   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 23   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 33   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
Consumer loans | Credit cards | In North America offices      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 166,996   173,656
Non-accrual loans for which there is no ACLL 0   0
Non-accrual loans for which there is an ACLL 0   0
Total non-accrual 0   0
90 days  past due and accruing 2,541   2,545
Consumer loans | Credit cards | In North America offices | Current      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 162,232   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 2,223   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 2,541   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
Consumer loans | Credit cards | In offices outside North America      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 14,319   14,701
Non-accrual loans for which there is no ACLL 0   0
Non-accrual loans for which there is an ACLL 322   323
Total non-accrual 322   323
90 days  past due and accruing 97   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
Consumer loans | Credit cards | In offices outside North America | Current      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 13,730   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 265   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 324   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
Consumer loans | Personal, small business and other | In North America offices      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 33,565   33,211
Non-accrual loans for which there is no ACLL 2   5
Non-accrual loans for which there is an ACLL 70   152
Total non-accrual 72   157
90 days  past due and accruing 0   1
Consumer loans | Personal, small business and other | In North America offices | Global Wealth Management Business      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income $ 29,800   $ 29,400
Consumer loans | Personal, small business and other | In North America offices | Global Wealth Management Business | Internal Investment Grade      
Financing Receivable, Past Due [Line Items]      
Percentage of loans rated investment grade 79.00%   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 $ 33,420   $ 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   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 30   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
Consumer loans | Personal, small business and other | In offices outside North America      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income 41,427   40,320
Non-accrual loans for which there is no ACLL 0   0
Non-accrual loans for which there is an ACLL 154   168
Total non-accrual 154   168
90 days  past due and accruing 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 $ 23,264   $ 22,297
Consumer loans | Personal, small business and other | In offices outside North America | Internal Investment Grade      
Financing Receivable, Past Due [Line Items]      
Percentage of loans rated investment grade 79.00%   80.00%
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 $ 31,500   $ 30,600
Consumer loans | Personal, small business and other | In offices outside North America | Global Wealth Management Business | Classifiably managed      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income     $ 22,300
Consumer loans | Personal, small business and other | In offices outside North America | Global Wealth Management Business | Internal Investment Grade      
Financing Receivable, Past Due [Line Items]      
Percentage of loans rated investment grade 56.00%   56.00%
Consumer loans | Personal, small business and other | In offices outside North America | Current      
Financing Receivable, Past Due [Line Items]      
Loans, net of unearned income $ 41,245   $ 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 134   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 48   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