Outstanding Loans and Leases - Rollforward of Accretable Yield (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Rollforward of Accretable Yield | ||||
| Accretable yield, beginning of period | $ 2,558 | $ 2,789 | ||
| Accretion | (117) | (371) | ||
| Disposals/transfers | (612) | (824) | ||
| Reclassifications from nonaccretable difference | 56 | 291 | ||
| Accretable yield, end of period | 1,885 | 1,885 | ||
| Purchased credit impaired loans sold | $ 2,000 | $ 538 | $ 2,100 | $ 742 |
| X | ||||||||||
- 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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| X | ||||||||||
- 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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