Outstanding Loans and Leases and Allowance for Credit Losses - Credit Card and Other Consumer - TDRs Modified by Program Type (Details) - Credit card and other consumer - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Financing Receivable, Troubled Debt Restructuring [Line Items] | |||
| Carrying Value | $ 298 | $ 264 | $ 314 |
| Internal programs | |||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | |||
| Carrying Value | 251 | 214 | 225 |
| External programs | |||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | |||
| Carrying Value | 44 | 44 | 73 |
| Other | |||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | |||
| Carrying Value | $ 3 | $ 6 | $ 16 |
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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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