Outstanding Loans and Leases and Allowance for Credit Losses - Credit Card and Other Consumer - TDRs Entered into During the Period (Details) - Credit card and other consumer - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2021 |
Mar. 31, 2020 |
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| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Unpaid Principal Balance | $ 90 | $ 111 |
| Carrying Value | $ 95 | $ 110 |
| Pre-Modification Interest Rate | 17.85% | 17.40% |
| Post-Modification Interest Rate | 5.01% | 5.30% |
| Credit card | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Unpaid Principal Balance | $ 82 | $ 94 |
| Carrying Value | $ 90 | $ 101 |
| Pre-Modification Interest Rate | 18.55% | 18.52% |
| Post-Modification Interest Rate | 4.97% | 5.30% |
| Direct/indirect consumer | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Unpaid Principal Balance | $ 8 | $ 17 |
| Carrying Value | $ 5 | $ 9 |
| Pre-Modification Interest Rate | 5.64% | 5.34% |
| Post-Modification Interest Rate | 5.64% | 5.34% |
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- Definition Financing Receivable, Modifications, Post-Modification Interest Rate No definition available.
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- Definition Financing Receivable, Modifications, Unpaid Principal Balance No definition available.
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- Definition Financing Receivable, Modifications, Pre-Modification Interest Rate No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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