Outstanding Loans and Leases - Rollforward of Accretable Yield (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Rollforward of Accretable Yield | |||
| Accretable yield, beginning of period | $ 5,608 | $ 6,694 | |
| Accretion | (861) | (1,061) | |
| Disposals/transfers | (465) | (506) | |
| Reclassifications from nonaccretable difference | 287 | 481 | |
| Accretable yield, ending of period | 4,569 | 5,608 | $ 6,694 |
| Purchased credit impaired loans sold | 1,400 | 1,900 | |
| Purchased Credit-impaired | |||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||
| Financing receivable allowance sold | $ 234 | $ 317 | $ 414 |
| X | ||||||||||
- Definition Certain loans acquired in transfer not accounted for as debt securities Accretable yield disposals transfers. No definition available.
|
| X | ||||||||||
- Definition Amount of reduction of allowance reserve for credit loss arising from sale of loan and lease portfolios. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Amount of decrease from accretion 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
|
| X | ||||||||||
- 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
|
| 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.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Details
|