v3.26.1
Loans - Financing Receivable, Modified - Modification to Borrowers (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 2,196 $ 1,116
% of total class of receivables 0.49% 0.35%
Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 1,170 $ 247
Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 160 447
Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified 11 9
Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 590 273
Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 265 140
Credit Card:    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 1,235 $ 232
% of total class of receivables 0.46% 0.15%
Credit Card: | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 1,170 $ 228
Credit Card: | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 11 0
Credit Card: | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Credit Card: | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 25 4
Credit Card: | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 29 0
Credit Card: | Domestic credit card    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 1,103 $ 175
% of total class of receivables 0.43% 0.12%
Credit Card: | Domestic credit card | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 1,098 $ 171
Weighted-average interest rate reduction 15.25% 19.38%
Credit Card: | Domestic credit card | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Payment delay duration (in months) 12 months 12 months
Credit Card: | Domestic credit card | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Principal balance reduction 70 0
Interest and fees forgiven 64  
Credit Card: | Domestic credit card | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 5 4
Credit Card: | Domestic credit card | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Credit Card: | Personal loans    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 60  
% of total class of receivables 0.65%  
Credit Card: | Personal loans | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0  
Weighted-average interest rate reduction 13.94%  
Credit Card: | Personal loans | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 11  
Payment delay duration (in months) 30 months  
Credit Card: | Personal loans | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0  
Principal balance reduction 0  
Interest and fees forgiven 0  
Credit Card: | Personal loans | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 20  
Credit Card: | Personal loans | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 29  
Credit Card: | International card businesses    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 72 $ 57
% of total class of receivables 0.97% 0.83%
Credit Card: | International card businesses | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 72 $ 57
Weighted-average interest rate reduction 23.78% 25.30%
Credit Card: | International card businesses | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Credit Card: | International card businesses | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Principal balance reduction 0 0
Interest and fees forgiven 0  
Credit Card: | International card businesses | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Credit Card: | International card businesses | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Consumer Banking:    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 638 $ 315
% of total class of receivables 0.73% 0.40%
Consumer Banking: | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Consumer Banking: | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 58 36
Consumer Banking: | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified 11 9
Consumer Banking: | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 565 269
Consumer Banking: | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 4 1
Consumer Banking: | Auto    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 635 $ 312
% of total class of receivables 0.74% 0.40%
Consumer Banking: | Auto | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Weighted-average interest rate reduction 9.33% 9.03%
Consumer Banking: | Auto | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 56 $ 33
Payment delay duration (in months) 6 months 6 months
Consumer Banking: | Auto | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 11 $ 9
Principal balance reduction 0 0
Interest and fees forgiven 0  
Consumer Banking: | Auto | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 565 269
Consumer Banking: | Auto | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 3 1
Consumer Banking: | Retail banking    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 3 $ 3
% of total class of receivables 0.25% 0.21%
Consumer Banking: | Retail banking | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Weighted-average interest rate reduction 0.00% 0.00%
Consumer Banking: | Retail banking | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 2 $ 3
Payment delay duration (in months) 5 months 5 months
Consumer Banking: | Retail banking | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Principal balance reduction 0 0
Interest and fees forgiven 0  
Consumer Banking: | Retail banking | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Consumer Banking: | Retail banking | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 1 0
Commercial Banking:    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 323 $ 569
% of total class of receivables 0.36% 0.65%
Commercial Banking: | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 19
Commercial Banking: | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 91 411
Commercial Banking: | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Commercial Banking: | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Commercial Banking: | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 232 139
Commercial Banking: | Commercial and multifamily real estate    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 26 $ 245
% of total class of receivables 0.08% 0.77%
Commercial Banking: | Commercial and multifamily real estate | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 3
Weighted-average interest rate reduction 0.00% 0.85%
Commercial Banking: | Commercial and multifamily real estate | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 22 $ 210
Payment delay duration (in months) 36 months 11 months
Commercial Banking: | Commercial and multifamily real estate | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Principal balance reduction 0 0
Interest and fees forgiven 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
Commercial Banking: | Commercial and multifamily real estate | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified 4 32
Commercial Banking: | Commercial and industrial    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 297 $ 324
% of total class of receivables 0.53% 0.58%
Commercial Banking: | Commercial and industrial | Interest rate reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 16
Weighted-average interest rate reduction 0.00% 0.25%
Commercial Banking: | Commercial and industrial | Term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 69 $ 201
Payment delay duration (in months) 10 months 21 months
Commercial Banking: | Commercial and industrial | Principal balance reduction    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 0 $ 0
Principal balance reduction 0 0
Interest and fees forgiven 0  
Commercial Banking: | Commercial and industrial | Interest rate reduction and term extension    
Financing Receivable, Past Due [Line Items]    
Total loans modified 0 0
Commercial Banking: | Commercial and industrial | Other    
Financing Receivable, Past Due [Line Items]    
Total loans modified $ 228 $ 107