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Loans - Financing Receivable, Modified - Modification to Borrowers (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 1,183 | $ 787
% of total class of receivables | 0.38% | 0.25%
Interest rate reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 270 | $ 188
Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 459 | 240
Principal balance reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 9 | 7
Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 17
Interest Rate Reduction and Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 307 | 202
Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 138 | 133
Credit Card: |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 275 | $ 188
% of total class of receivables | 0.18% | 0.14%
Credit Card: | Interest rate reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 270 | $ 188
Credit Card: | Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 0 | 0
Credit Card: | Principal balance reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 0 | 0
Credit Card: | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 0
Credit Card: | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 5 | 0
Credit Card: | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 0 | 0
Credit Card: | Domestic Card |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 221 | $ 150
% of total class of receivables | 0.15% | 0.11%
Credit Card: | Domestic Card | Interest rate reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 216 | $ 150
Weighted-average interest rate reduction | 19.99% | 19.02%
Credit Card: | Domestic Card | Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 0 | $ 0
Payment delay duration (in months) | 12 months |
Credit Card: | Domestic Card | Principal balance reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 0 | 0
Principal balance reduction | 0 | 0
Credit Card: | Domestic Card | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 0
Credit Card: | Domestic Card | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 5 | 0
Credit Card: | Domestic Card | Other |  |
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 | $ 54 | $ 38
% of total class of receivables | 0.80% | 0.62%
Credit Card: | International card businesses | Interest rate reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 54 | $ 38
Weighted-average interest rate reduction | 26.12% | 25.74%
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
Credit Card: | International card businesses | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 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 | $ 292 | $ 255
% of total class of receivables | 0.39% | 0.33%
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 | 8 | 45
Consumer Banking: | Principal balance reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 9 | 7
Consumer Banking: | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 0
Consumer Banking: | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 274 | 202
Consumer Banking: | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 1 | 1
Consumer Banking: | Auto |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 290 | $ 252
% of total class of receivables | 0.39% | 0.33%
Consumer Banking: | Auto | Interest rate reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 0 | $ 0
Weighted-average interest rate reduction | 8.65% | 8.75%
Consumer Banking: | Auto | Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 6 | $ 42
Payment delay duration (in months) | 6 months | 6 months
Consumer Banking: | Auto | Principal balance reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 9 | $ 7
Principal balance reduction | 0 | 0
Consumer Banking: | Auto | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 0
Consumer Banking: | Auto | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 274 | 202
Consumer Banking: | Auto | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 1 | 1
Consumer Banking: | Retail banking |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 2 | $ 3
% of total class of receivables | 0.14% | 0.18%
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) | 10 months | 14 months
Consumer Banking: | Retail banking | Principal balance reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 0 | $ 0
Principal balance reduction | 0 | 0
Consumer Banking: | Retail banking | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 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 | 0 | 0
Commercial Banking: |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 616 | $ 344
% of total class of receivables | 0.69% | 0.37%
Commercial Banking: | Interest rate reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 0 | $ 0
Commercial Banking: | Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 451 | 195
Commercial Banking: | Principal balance reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 0 | 0
Commercial Banking: | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 17
Commercial Banking: | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 28 | 0
Commercial Banking: | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 137 | 132
Commercial Banking: | Commercial and multifamily real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 435 | $ 129
% of total class of receivables | 1.27% | 0.35%
Commercial Banking: | Commercial and multifamily real estate | Interest rate reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 0 | $ 0
Weighted-average interest rate reduction | 0.79% | 0.00%
Commercial Banking: | Commercial and multifamily real estate | Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 316 | $ 129
Payment delay duration (in months) | 6 months | 8 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
Commercial Banking: | Commercial and multifamily real estate | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 0
Commercial Banking: | Commercial and multifamily real estate | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 28 | 0
Commercial Banking: | Commercial and multifamily real estate | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | 91 | 0
Commercial Banking: | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 181 | $ 215
% of total class of receivables | 0.33% | 0.38%
Commercial Banking: | Commercial and industrial | Interest rate reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 0 | $ 0
Weighted-average interest rate reduction | 0.00% | 0.00%
Commercial Banking: | Commercial and industrial | Term Extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 135 | $ 66
Payment delay duration (in months) | 12 months | 7 months
Commercial Banking: | Commercial and industrial | Principal balance reduction |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified | $ 0 | $ 0
Principal balance reduction | 15 | 3
Commercial Banking: | Commercial and industrial | Principal balance reduction and term extension |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans modified |  | 17
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 | $ 46 | $ 132

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