Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Nonperforming (Details)

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Outstanding Loans and Leases - Nonperforming (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Threshold period past due for nonperforming status of financing receivables 90 days   90 days
Loans and leases $ 906,242,000,000   $ 906,683,000,000
Proceeds from sales 2,557,000,000 $ 8,021,000,000  
Purchased credit impaired loans sold 0 174,000,000  
Recoveries of loans and leases previously charged off 376,000,000 428,000,000  
Loans and leases charged off   1,496,000,000  
Nonperforming loans and leases 7,274,000,000   7,707,000,000
Accruing past due 90 days or more, including loans and leases held for sale 5,368,000,000   5,887,000,000
Residential Mortgage      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Accruing past due 90 days or more 1,500,000,000   1,800,000,000
Residential Mortgage | Federal Housing Administration      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Nonperforming loans and leases 2,700,000,000   3,000,000,000
Consumer Portfolio Segment      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Nonperforming loans and leases 5,546,000,000   6,004,000,000
Accruing past due 90 days or more, including loans and leases held for sale 5,133,000,000   5,679,000,000
Consumer Portfolio Segment | 90 Days or More Past Due      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 7,891,000,000   8,727,000,000
Consumer real estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Recoveries of loans and leases previously charged off 123,000,000 175,000,000  
Loans and leases charged off $ 204,000,000 378,000,000  
Consumer real estate | Junior Lien Home Equity Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Threshold period past due for nonperforming status of financing receivables 90 days    
Consumer real estate | Core Portfolio, Residential Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases $ 160,359,000,000   156,497,000,000
Nonperforming loans and leases 1,099,000,000   1,274,000,000
Accruing past due 90 days or more 443,000,000   486,000,000
Consumer real estate | Core Portfolio, Home Equity Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 47,730,000,000   49,373,000,000
Nonperforming loans and leases 939,000,000   969,000,000
Accruing past due 90 days or more 0   0
Consumer real estate | Non-core Portfolio, Residential Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 23,653,000,000   25,173,000,000
Nonperforming loans and leases 1,630,000,000   1,782,000,000
Accruing past due 90 days or more 3,783,000,000   4,307,000,000
Consumer real estate | Non-core Portfolio, Home Equity Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 12,789,000,000   13,459,000,000
Nonperforming loans and leases 1,857,000,000   1,949,000,000
Accruing past due 90 days or more 0   0
Consumer real estate | 90 Days or More Past Due | Core Portfolio, Residential Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 1,125,000,000   1,213,000,000
Consumer real estate | 90 Days or More Past Due | Core Portfolio, Home Equity Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 411,000,000   451,000,000
Consumer real estate | 90 Days or More Past Due | Non-core Portfolio, Residential Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 4,683,000,000   5,343,000,000
Consumer real estate | 90 Days or More Past Due | Non-core Portfolio, Home Equity Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 763,000,000   832,000,000
Credit card and other consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Recoveries of loans and leases previously charged off 200,000,000 198,000,000  
Loans and leases charged off   912,000,000  
Credit card and other consumer | Credit Card Receivable | United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 88,552,000,000   92,278,000,000
Accruing past due 90 days or more 801,000,000   782,000,000
Credit card and other consumer | Credit Card Receivable | Non United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Accruing past due 90 days or more, including loans and leases held for sale 71,000,000   66,000,000
Credit card and other consumer | Direct/Indirect Consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 92,794,000,000   94,089,000,000
Nonperforming loans and leases 19,000,000   28,000,000
Accruing past due 90 days or more 31,000,000   34,000,000
Credit card and other consumer | Other consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 2,539,000,000   2,499,000,000
Nonperforming loans and leases 2,000,000   2,000,000
Accruing past due 90 days or more 4,000,000   4,000,000
Credit card and other consumer | 90 Days or More Past Due | Credit Card Receivable | United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 801,000,000   782,000,000
Credit card and other consumer | 90 Days or More Past Due | Direct/Indirect Consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 32,000,000   34,000,000
Credit card and other consumer | 90 Days or More Past Due | Other consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases $ 5,000,000   6,000,000
Commercial Portfolio Segment      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Threshold period past due for nonperforming status of financing receivables 90 days    
Loans and leases $ 463,567,000,000   458,526,000,000
Recoveries of loans and leases previously charged off 53,000,000 55,000,000  
Loans and leases charged off 160,000,000 206,000,000  
Nonperforming loans and leases 1,728,000,000   1,703,000,000
Accruing past due 90 days or more 235,000,000   208,000,000
Commercial Portfolio Segment | United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 274,868,000,000   270,372,000,000
Nonperforming loans and leases 1,246,000,000   1,256,000,000
Accruing past due 90 days or more 112,000,000   106,000,000
Commercial Portfolio Segment | Non United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 89,179,000,000   89,397,000,000
Nonperforming loans and leases 311,000,000   279,000,000
Accruing past due 90 days or more 45,000,000   5,000,000
Commercial Portfolio Segment | Commercial Real Estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 57,849,000,000   57,355,000,000
Nonperforming loans and leases 74,000,000   72,000,000
Accruing past due 90 days or more 0   7,000,000
Commercial Portfolio Segment | Commercial Real Estate | United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 54,700,000,000   54,300,000,000
Commercial Portfolio Segment | Commercial Real Estate | Non United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 3,100,000,000   3,100,000,000
Commercial Portfolio Segment | Commercial Lease Financing      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 21,873,000,000   22,375,000,000
Nonperforming loans and leases 37,000,000   36,000,000
Accruing past due 90 days or more 9,000,000   19,000,000
Commercial Portfolio Segment | Small Business Commercial      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Nonperforming loans and leases 60,000,000   60,000,000
Accruing past due 90 days or more 69,000,000   71,000,000
Commercial Portfolio Segment | Small Business Commercial | United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 13,302,000,000   12,993,000,000
Commercial Portfolio Segment | 90 Days or More Past Due      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 544,000,000   572,000,000
Commercial Portfolio Segment | 90 Days or More Past Due | United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 363,000,000   400,000,000
Commercial Portfolio Segment | 90 Days or More Past Due | Non United States      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 45,000,000   5,000,000
Commercial Portfolio Segment | 90 Days or More Past Due | Commercial Real Estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 48,000,000   56,000,000
Commercial Portfolio Segment | 90 Days or More Past Due | Commercial Lease Financing      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 10,000,000   27,000,000
Commercial Portfolio Segment | 90 Days or More Past Due | Small Business Commercial      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases 78,000,000   84,000,000
Nonperforming Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Transfer of nonperforming loans to held-for-sale 221,000,000 0  
Nonperforming Financing Receivable | Junior Lien Home Equity Financing Receivable      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases $ 412,000,000   $ 428,000,000
Nonperforming Financing Receivable | Chapter Seven Bankruptcy      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Threshold period past due for nonperforming status of financing receivables 90 days    
Non-performing troubled debt with no change in repayment terms at time of discharge, current with contractual payments $ 320,000,000    
Nonperforming loans discharged more than twelve months prior (greater than) 83.00%    
Nonperforming loans discharged more than twenty four months prior (greater than) 73.00%    
Nonperforming Financing Receivable | Chapter Seven Bankruptcy | 90 Days or More Past Due      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Non-performing troubled debt with no change in repayment terms at time of discharge, 90 days or more past due $ 166,000,000    
Nonperforming Financing Receivable | Consumer Portfolio Segment      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Proceeds from sales 142,000,000 1,000,000,000  
Purchased credit impaired loans sold 0 174,000,000  
Recoveries of loans and leases previously charged off 11,000,000    
Loans and leases charged off   40,000,000  
Gain (loss) on the sale of loans and leases receivable 6,000,000 $ 31,000,000  
Nonperforming Financing Receivable | Consumer real estate | Chapter Seven Bankruptcy      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Loans and leases $ 517,000,000