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Loans and Card Member Receivables - Modifications (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Financing Receivable, Modifications [Line Items] |  |
Maximum payment term extension | 60 months |
Unused credit available | $ 19 | $ 28
Account Balances | 1,021 | 1,115
Card Member Loans | Interest Rate Reduction | Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Account Balances | $ 545 | $ 586
% of Total Class of Financing Receivables | 0.50% | 0.60%
Weighted Average Interest Rate Reduction (% points) | 18.40% | 18.00%
Card Member Loans | Interest Rate Reduction | Small Business |  |
Financing Receivable, Modifications [Line Items] |  |
Account Balances | $ 229 | $ 206
% of Total Class of Financing Receivables | 0.70% | 0.70%
Weighted Average Interest Rate Reduction (% points) | 17.70% | 17.40%
Card Member Loans | Interest Rate Reduction | Corporate |  |
Financing Receivable, Modifications [Line Items] |  |
Account Balances | $ 0 | $ 0
% of Total Class of Financing Receivables | 0.00% | 0.00%
Weighted Average Interest Rate Reduction (% points) | 0.00% | 0.00%
Card Member Receivables | Term Extension | Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Account Balances | $ 76 | $ 114
% of Total Class of Financing Receivables | 0.30% | 0.50%
Weighted Average Payment Term Extensions (# of months) | 31 months | 29 months
Card Member Receivables | Term Extension | Small Business |  |
Financing Receivable, Modifications [Line Items] |  |
Account Balances | $ 137 | $ 174
% of Total Class of Financing Receivables | 0.70% | 0.90%
Weighted Average Payment Term Extensions (# of months) | 29 months | 29 months
Card Member Receivables | Term Extension | Corporate |  |
Financing Receivable, Modifications [Line Items] |  |
Account Balances | $ 5 | $ 6
% of Total Class of Financing Receivables | 0.03% | 0.04%
Weighted Average Payment Term Extensions (# of months) | 11 months | 9 months
Other Loans | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Modifications [Line Items] |  |
Account Balances | $ 17 | $ 18
% of Total Class of Financing Receivables | 0.20% | 0.20%
Weighted Average Interest Rate Reduction (% points) | 3.10% | 2.30%
Weighted Average Payment Term Extensions (# of months) | 21 months | 19 months
Other Loans | Term Extension |  |
Financing Receivable, Modifications [Line Items] |  |
Account Balances | $ 12 | $ 11
% of Total Class of Financing Receivables | 0.10% | 0.10%
Weighted Average Interest Rate Reduction (% points) | 0.00% | 0.00%
Weighted Average Payment Term Extensions (# of months) | 17 months | 19 months

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