Outstanding Loans and Leases and Allowance for Credit Losses - Consumer Real Estate - Modification Programs (Details) - Consumer real estate - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2022 |
Mar. 31, 2021 |
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| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Total modifications | $ 614 | $ 513 |
| Modifications under government programs | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Total modifications | 0 | 1 |
| Modifications under proprietary programs | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Total modifications | 552 | 472 |
| Loans discharged in Chapter 7 bankruptcy | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Total modifications | 5 | 11 |
| Trial modifications | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Total modifications | $ 57 | $ 29 |
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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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