Outstanding Loans and Leases - Consumer Real Estate - TDRs Entered into During the Period (Details) - Consumer real estate - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Financing Receivable, Modifications [Line Items] | |||
| Unpaid Principal Balance | $ 1,588,000,000 | $ 1,979,000,000 | $ 4,005,000,000 |
| Carrying Value | $ 1,302,000,000 | $ 1,666,000,000 | $ 3,430,000,000 |
| Pre-Modification Interest Rate | 4.33% | 4.40% | 4.61% |
| Post-Modification Interest Rate | 3.83% | 3.54% | 4.11% |
| Net Charge-offs | $ 48,000,000 | $ 72,000,000 | $ 181,000,000 |
| Residential Mortgage | |||
| Financing Receivable, Modifications [Line Items] | |||
| Unpaid Principal Balance | 824,000,000 | 1,130,000,000 | 2,986,000,000 |
| Carrying Value | $ 712,000,000 | $ 1,017,000,000 | $ 2,655,000,000 |
| Pre-Modification Interest Rate | 4.43% | 4.73% | 4.98% |
| Post-Modification Interest Rate | 4.16% | 4.16% | 4.43% |
| Net Charge-offs | $ 6,000,000 | $ 11,000,000 | $ 97,000,000 |
| Principal forgiveness | 0 | 13,000,000 | 396,000,000 |
| Home equity lines of credit | |||
| Financing Receivable, Modifications [Line Items] | |||
| Unpaid Principal Balance | 764,000,000 | 849,000,000 | 1,019,000,000 |
| Carrying Value | $ 590,000,000 | $ 649,000,000 | $ 775,000,000 |
| Pre-Modification Interest Rate | 4.22% | 3.95% | 3.54% |
| Post-Modification Interest Rate | 3.49% | 2.72% | 3.17% |
| Net Charge-offs | $ 42,000,000 | $ 61,000,000 | $ 84,000,000 |
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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 This represents the amount of principal forgiven in a troubled debt restructuring modification. 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 Post-modification amount of investment in financing receivables modified by troubled debt restructurings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Reflects the amount of the write-down related to a troubled debt restructuring. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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