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 |
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| Financing Receivable, Modified [Line Items] | ||
| Carrying Value | $ 298 | $ 264 |
| Internal programs | ||
| Financing Receivable, Modified [Line Items] | ||
| Carrying Value | 251 | 214 |
| External programs | ||
| Financing Receivable, Modified [Line Items] | ||
| Carrying Value | 44 | 44 |
| Other | ||
| Financing Receivable, Modified [Line Items] | ||
| Carrying Value | $ 3 | $ 6 |
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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