Outstanding Loans and Leases - Rollforward of Accretable Yield (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Rollforward of Accretable Yield | ||
| Accretable yield, beginning of period | $ 3,805 | $ 4,569 |
| Accretion | (601) | (722) |
| Disposals/transfers | (634) | (486) |
| Reclassifications from nonaccretable difference | 219 | 444 |
| Accretable yield, end of period | 2,789 | 3,805 |
| Purchased credit impaired loans sold | $ 803 | $ 549 |
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- Definition Certain loans acquired in transfer not accounted for as debt securities Accretable yield disposals transfers. No definition available.
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- Definition Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of accretion recognized for the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of reduction, resulting from a sale or transfer of a loan, in the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of reclassification (to) from nonaccretable difference (from) to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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