v3.26.1
Loans - Financing Receivable, Modified - Modification to Borrowers (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 2,098 $ 2,069 $ 3,857 $ 4,076
% of total class of receivables 0.46% 0.47% 0.84% 0.93%
Amount   $ 432   $ 1,400
Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 1,071 1,081 $ 2,100 2,297
Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 404 478 544 878
Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified 12 9 19 16
Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 400 335 871 572
Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 211 166 323 313
Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Credit Card:        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 1,127 $ 1,144 $ 2,214 $ 2,406
% of total class of receivables 0.41% 0.42% 0.80% 0.89%
Credit Card: | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 1,071 $ 1,081 $ 2,100 $ 2,278
Credit Card: | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 10 10 20 22
Credit Card: | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 0 0
Credit Card: | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 23 22 45 43
Credit Card: | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 23 31 49 63
Credit Card: | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Credit Card: | Domestic credit card        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 1,008 $ 1,027 $ 2,001 $ 2,192
% of total class of receivables 0.39% 0.41% 0.77% 0.87%
Amount       $ 3,100
Credit Card: | Domestic credit card | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 1,002 $ 1,023 $ 1,992 $ 2,185
Weighted-average interest rate reduction 15.42% 15.31% 15.38% 14.89%
Credit Card: | Domestic credit card | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Payment delay duration (in months) 12 months 12 months 12 months 12 months
Credit Card: | Domestic credit card | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Principal balance reduction 65 73 133 145
Interest and fees forgiven 48 63 110 133
Credit Card: | Domestic credit card | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 6 4 9 7
Credit Card: | Domestic credit card | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 0 0
Credit Card: | Domestic credit card | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Credit Card: | Personal loans        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 50 $ 59 $ 105 $ 121
% of total class of receivables 0.59% 0.60% 1.21% 1.24%
Credit Card: | Personal loans | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Weighted-average interest rate reduction 13.93% 14.15% 13.92% 13.95%
Credit Card: | Personal loans | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 10 $ 10 $ 20 $ 22
Payment delay duration (in months) 10 months 34 months 9 months 37 months
Credit Card: | Personal loans | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Principal balance reduction 0 0 0 0
Interest and fees forgiven 0 0 0 0
Credit Card: | Personal loans | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 17 18 36 36
Credit Card: | Personal loans | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 23 31 49 63
Credit Card: | Personal loans | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Credit Card: | International card businesses        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 69 $ 58 $ 108 $ 93
% of total class of receivables 0.88% 0.78% 1.39% 1.24%
Credit Card: | International card businesses | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 69 $ 58 $ 108 $ 93
Weighted-average interest rate reduction 26.28% 26.19% 25.00% 25.75%
Credit Card: | International card businesses | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Credit Card: | International card businesses | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 0 0
Principal balance reduction 0 0 0 0
Interest and fees forgiven 0 0 0 0
Credit Card: | International card businesses | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 0 0
Credit Card: | International card businesses | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 0 0
Credit Card: | International card businesses | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Consumer Banking:        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 460 $ 316 $ 965 $ 558
% of total class of receivables 0.51% 0.39% 1.07% 0.69%
Consumer Banking: | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Consumer Banking: | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 67 42 114 61
Consumer Banking: | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified 12 9 19 16
Consumer Banking: | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 377 263 826 479
Consumer Banking: | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 4 2 6 2
Consumer Banking: | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Consumer Banking: | Auto        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 459 $ 315 $ 962 $ 557
% of total class of receivables 0.51% 0.39% 1.08% 0.70%
Consumer Banking: | Auto | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Weighted-average interest rate reduction 9.33% 9.23% 9.33% 9.13%
Consumer Banking: | Auto | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 66 $ 41 $ 112 $ 60
Payment delay duration (in months) 6 months 6 months 6 months 6 months
Consumer Banking: | Auto | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 12 $ 9 $ 19 $ 16
Principal balance reduction 1 0 1 0
Interest and fees forgiven 0 0 0 0
Consumer Banking: | Auto | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 377 263 826 479
Consumer Banking: | Auto | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 4 2 5 2
Consumer Banking: | Auto | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Consumer Banking: | Retail banking        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 1 $ 1 $ 3 $ 1
% of total class of receivables 0.04% 0.08% 0.30% 0.08%
Consumer Banking: | Retail banking | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Weighted-average interest rate reduction 0.00% 0.50% 0.00% 0.50%
Consumer Banking: | Retail banking | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 1 $ 1 $ 2 $ 1
Payment delay duration (in months) 7 months 33 months 6 months 14 months
Consumer Banking: | Retail banking | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Principal balance reduction 0 0 0 0
Interest and fees forgiven 0 0 0 0
Consumer Banking: | Retail banking | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 0 0
Consumer Banking: | Retail banking | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 1 0
Consumer Banking: | Retail banking | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Commercial Banking:        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 511 $ 609 $ 678 $ 1,112
% of total class of receivables 0.56% 0.69% 0.74% 1.26%
Commercial Banking: | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 19
Commercial Banking: | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 327 426 410 795
Commercial Banking: | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 0 0
Commercial Banking: | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 50 0 50
Commercial Banking: | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 184 133 268 248
Commercial Banking: | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Commercial Banking: | Commercial and multifamily real estate        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 129 $ 284 $ 154 $ 527
% of total class of receivables 0.37% 0.86% 0.45% 1.60%
Commercial Banking: | Commercial and multifamily real estate | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 3
Weighted-average interest rate reduction 0.00% 0.00% 0.00% 0.85%
Commercial Banking: | Commercial and multifamily real estate | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 129 $ 262 $ 149 $ 470
Payment delay duration (in months) 4 months 3 months 9 months 7 months
Commercial Banking: | Commercial and multifamily real estate | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Principal balance reduction 0 0 0 0
Interest and fees forgiven 0 0 0 0
Commercial Banking: | Commercial and multifamily real estate | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 0 0 0
Commercial Banking: | Commercial and multifamily real estate | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 22 5 54
Commercial Banking: | Commercial and multifamily real estate | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0   0  
Commercial Banking: | Commercial and industrial        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 382 $ 325 $ 524 $ 585
% of total class of receivables 0.67% 0.59% 0.92% 1.06%
Commercial Banking: | Commercial and industrial | Interest rate reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 16
Weighted-average interest rate reduction 0.00% 1.93% 0.00% 1.69%
Commercial Banking: | Commercial and industrial | Term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 198 $ 164 $ 261 $ 325
Payment delay duration (in months) 21 months 11 months 18 months 14 months
Commercial Banking: | Commercial and industrial | Principal balance reduction        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0 $ 0 $ 0 $ 0
Principal balance reduction 0 0 0 0
Interest and fees forgiven 0 0 0 0
Commercial Banking: | Commercial and industrial | Interest rate reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified 0 50 0 50
Commercial Banking: | Commercial and industrial | Other        
Financing Receivable, Past Due [Line Items]        
Total loans modified 184 $ 111 263 $ 194
Commercial Banking: | Commercial and industrial | Principal balance reduction and term extension        
Financing Receivable, Past Due [Line Items]        
Total loans modified $ 0   $ 0