Outstanding Loans and Leases and Allowance for Credit Losses - Consumer Real Estate - Modification Programs (Details) - Consumer real estate $ in Millions |
12 Months Ended |
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Dec. 31, 2022
USD ($)
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| Financing Receivable, Modified [Line Items] | |
| Financing Receivable, Modified in Period, Amount | $ 1,206 |
| Government Programs | |
| Financing Receivable, Modified [Line Items] | |
| Financing Receivable, Modified in Period, Amount | 2 |
| Proprietary Programs | |
| Financing Receivable, Modified [Line Items] | |
| Financing Receivable, Modified in Period, Amount | 1,100 |
| Loans discharged in Chapter 7 bankruptcy | |
| Financing Receivable, Modified [Line Items] | |
| Financing Receivable, Modified in Period, Amount | 14 |
| Trial Modifications | |
| Financing Receivable, Modified [Line Items] | |
| Financing Receivable, Modified in Period, Amount | $ 90 |
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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://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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