Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Consumer Real Estate - Credit Quality Indicators (Details)

v3.4.0.3
Outstanding Loans and Leases - Consumer Real Estate - Credit Quality Indicators (Details) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases $ 901,113 $ 896,983
Loans and leases, measured at fair value 8,212 6,938
Consumer Real Estate    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases, measured at fair value 1,900 1,900
Consumer Real Estate | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 145,322 145,845
Consumer Real Estate | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 27,515 30,000
Consumer Real Estate | Legacy Assets & Servicing Residential Mortgage | Pay option    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,200 2,300
Consumer Real Estate | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 11,603 12,066
Consumer Real Estate | Residential Mortgage PCI | Pay option    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,900 2,000
Consumer Real Estate | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 47,473 48,264
Consumer Real Estate | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 21,930 23,065
Consumer Real Estate | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 4,368 4,619
Consumer Real Estate | Less than 620 | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 3,259 3,465
Consumer Real Estate | Less than 620 | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 3,845 4,408
Consumer Real Estate | Less than 620 | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 3,497 3,798
Consumer Real Estate | Less than 620 | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,817 1,898
Consumer Real Estate | Less than 620 | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,640 2,785
Consumer Real Estate | Less than 620 | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 678 729
Consumer Real Estate | Greater than or equal to 620 and less than 680 | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 5,549 5,792
Consumer Real Estate | Greater than or equal to 620 and less than 680 | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 3,181 3,438
Consumer Real Estate | Greater than or equal to 620 and less than 680 | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,519 2,586
Consumer Real Estate | Greater than or equal to 620 and less than 680 | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 3,174 3,242
Consumer Real Estate | Greater than or equal to 620 and less than 680 | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 3,639 3,817
Consumer Real Estate | Greater than or equal to 620 and less than 680 | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 773 825
Consumer Real Estate | Greater than or equal to 680 and less than 740 | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 21,959 22,017
Consumer Real Estate | Greater than or equal to 680 and less than 740 | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 5,346 5,605
Consumer Real Estate | Greater than or equal to 680 and less than 740 | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 3,155 3,187
Consumer Real Estate | Greater than or equal to 680 and less than 740 | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 8,891 9,203
Consumer Real Estate | Greater than or equal to 680 and less than 740 | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 6,182 6,527
Consumer Real Estate | Greater than or equal to 680 and less than 740 | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,281 1,356
Consumer Real Estate | Greater than or equal to 740 | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 88,740 85,629
Consumer Real Estate | Greater than or equal to 740 | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 8,119 8,414
Consumer Real Estate | Greater than or equal to 740 | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,432 2,495
Consumer Real Estate | Greater than or equal to 740 | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 33,591 33,921
Consumer Real Estate | Greater than or equal to 740 | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 9,469 9,936
Consumer Real Estate | Greater than or equal to 740 | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,636 1,709
Consumer Real Estate | Less than or equal to 90 percent | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 112,721 109,869
Consumer Real Estate | Less than or equal to 90 percent | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 15,636 16,646
Consumer Real Estate | Less than or equal to 90 percent | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 8,247 8,655
Consumer Real Estate | Less than or equal to 90 percent | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 43,534 44,006
Consumer Real Estate | Less than or equal to 90 percent | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 14,925 15,666
Consumer Real Estate | Less than or equal to 90 percent | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,882 2,003
Consumer Real Estate | Greater than 90 percent but less than or equal to 100 percent | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 4,153 4,251
Consumer Real Estate | Greater than 90 percent but less than or equal to 100 percent | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,863 2,007
Consumer Real Estate | Greater than 90 percent but less than or equal to 100 percent | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,228 1,403
Consumer Real Estate | Greater than 90 percent but less than or equal to 100 percent | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,545 1,652
Consumer Real Estate | Greater than 90 percent but less than or equal to 100 percent | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,290 2,382
Consumer Real Estate | Greater than 90 percent but less than or equal to 100 percent | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 786 852
Consumer Real Estate | Greater than 100 percent | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,633 2,783
Consumer Real Estate | Greater than 100 percent | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,992 3,212
Consumer Real Estate | Greater than 100 percent | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,128 2,008
Consumer Real Estate | Greater than 100 percent | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 2,394 2,606
Consumer Real Estate | Greater than 100 percent | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 4,715 5,017
Consumer Real Estate | Greater than 100 percent | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 1,700 1,764
Consumer Real Estate | Fully Insured Loans | Core Portfolio Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 25,815 28,942
Consumer Real Estate | Fully Insured Loans | Legacy Assets & Servicing Residential Mortgage    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 7,024 8,135
Consumer Real Estate | Fully Insured Loans | Residential Mortgage PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 0 0
Consumer Real Estate | Fully Insured Loans | Core Portfolio Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 0 0
Consumer Real Estate | Fully Insured Loans | Legacy Assets & Servicing Home Equity    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases 0 0
Consumer Real Estate | Fully Insured Loans | Home Equity PCI    
Financing Receivable, Recorded Investment [Line Items]    
Loans and leases $ 0 $ 0