Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Past Due (Details)

v3.7.0.1
Outstanding Loans and Leases - Past Due (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 916,666 $ 906,683
Loans and leases including disposal group   915,897
Less: Loans of business held for sale   $ (9,214)
Percentage of outstandings, total outstanding 100.00% 100.00%
Loans and leases, measured at fair value $ 7,325 $ 7,085
Loans pledged to secure borrowings 152,800 143,100
Residential Mortgage | Federal National Mortgage Association Certificates and Obligations (FNMA) and Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC)    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans covered by protection agreements 6,600 6,400
Nonperforming Financing Receivable | Direct/Indirect Consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonperforming loans 18 27
Estimate of Fair Value Measurement    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 7,325 $ 7,085
Percentage of outstandings, total outstanding 0.80% 0.77%
Purchased Credit-impaired    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 12,444  
Loans and leases including disposal group   $ 13,738
Percentage of outstandings, total outstanding 1.35% 1.50%
Consumer Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 447,350  
Loans and leases including disposal group   $ 457,371
Consumer Portfolio Segment | Residential Mortgage    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases, measured at fair value 666 710
Consumer Portfolio Segment | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases, measured at fair value 369 341
Consumer Portfolio Segment | Carrying Value    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 446,315 456,320
Consumer Portfolio Segment | Estimate of Fair Value Measurement    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,035 1,051
Loans and leases including disposal group   1,051
Consumer Portfolio Segment | Purchased Credit-impaired    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 12,444 13,738
Loans and leases including disposal group   13,738
Consumer real estate | Core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 166,209 156,497
Consumer real estate | Core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 46,642 49,373
Consumer real estate | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 21,963 25,173
Consumer real estate | Non-core Portfolio, Residential Financing Receivable | Pay option    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,600 1,800
Consumer real estate | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 12,130 13,459
Consumer real estate | Fully Insured Loans | Core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 20,000 21,254
Consumer real estate | Fully Insured Loans | Core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 0 0
Consumer real estate | Fully Insured Loans | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 6,065 7,475
Consumer real estate | Fully Insured Loans | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 0 0
Consumer real estate | Nonperforming Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonperforming loans 2,300 2,500
Consumer real estate | Carrying Value | Core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 166,209 156,497
Consumer real estate | Carrying Value | Core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 46,642 49,373
Consumer real estate | Carrying Value | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 31,237 35,300
Consumer real estate | Carrying Value | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 15,300 17,070
Consumer real estate | Estimate of Fair Value Measurement    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,035 1,051
Consumer real estate | Purchased Credit-impaired | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 9,274 10,127
Consumer real estate | Purchased Credit-impaired | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 3,170 3,611
Credit card and other consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Less: Loans of business held for sale   (9,214)
Credit card and other consumer | Credit Card Receivable | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 90,776 92,278
Credit card and other consumer | Credit Card Receivable | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases including disposal group   9,214
Credit card and other consumer | Direct/Indirect Consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 93,493 94,089
Credit card and other consumer | Direct/Indirect Consumer | Dealer Financial Services Loans    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 49,100 48,900
Credit card and other consumer | Direct/Indirect Consumer | Unsecured Consumed Lending Loans    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 509 585
Credit card and other consumer | Direct/Indirect Consumer | Securities Based Lending Loans | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 39,800 40,100
Credit card and other consumer | Direct/Indirect Consumer | Securities Based Lending Loans | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 2,900 3,000
Credit card and other consumer | Direct/Indirect Consumer | Student Loans    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 463 497
Credit card and other consumer | Direct/Indirect Consumer | Other Loans    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 657 1,100
Credit card and other consumer | Other consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 2,658 2,499
Credit card and other consumer | Other consumer | Consumer Finance Loans    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 420 465
Credit card and other consumer | Other consumer | Consumer Leases    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 2,100 1,900
Credit card and other consumer | Other consumer | Consumer Overdrafts    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 155 157
Credit card and other consumer | Carrying Value | Credit Card Receivable | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 90,776 92,278
Credit card and other consumer | Carrying Value | Credit Card Receivable | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases including disposal group   9,214
Credit card and other consumer | Carrying Value | Direct/Indirect Consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 93,493 94,089
Credit card and other consumer | Carrying Value | Other consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 2,658 2,499
Commercial Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 469,316 458,526
Commercial Portfolio Segment | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 277,675 270,372
Loans and leases, measured at fair value 3,200 2,900
Commercial Portfolio Segment | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 90,786 89,397
Loans and leases, measured at fair value 3,100 3,100
Commercial Portfolio Segment | Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 59,177 57,355
Commercial Portfolio Segment | Commercial Real Estate | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 55,600 54,300
Commercial Portfolio Segment | Commercial Real Estate | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 3,600 3,100
Commercial Portfolio Segment | Commercial Lease Financing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 21,828 22,375
Commercial Portfolio Segment | Small Business Commercial | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 13,560 12,993
Commercial Portfolio Segment | Carrying Value    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 463,026 452,492
Commercial Portfolio Segment | Carrying Value | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 277,675 270,372
Commercial Portfolio Segment | Carrying Value | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 90,786 89,397
Commercial Portfolio Segment | Carrying Value | Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 59,177 57,355
Commercial Portfolio Segment | Carrying Value | Commercial Lease Financing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 21,828 22,375
Commercial Portfolio Segment | Carrying Value | Small Business Commercial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 13,560 12,993
Commercial Portfolio Segment | Estimate of Fair Value Measurement    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 6,290 6,034
30 to 59 Days Past Due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 3,828  
Loans and leases including disposal group   $ 5,567
Percentage of outstandings 0.42% 0.61%
30 to 59 Days Past Due | Consumer Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 3,227 $ 3,984
Loans and leases including disposal group   3,984
30 to 59 Days Past Due | Consumer real estate | Core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 995 1,340
30 to 59 Days Past Due | Consumer real estate | Core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 202 239
30 to 59 Days Past Due | Consumer real estate | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,073 1,338
30 to 59 Days Past Due | Consumer real estate | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 234 260
30 to 59 Days Past Due | Consumer real estate | Fully Insured Loans    
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 837 1,100
30 to 59 Days Past Due | Consumer real estate | Nonperforming Financing Receivable    
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 250 266
30 to 59 Days Past Due | Credit card and other consumer | Credit Card Receivable | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 465 472
30 to 59 Days Past Due | Credit card and other consumer | Credit Card Receivable | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases including disposal group   37
30 to 59 Days Past Due | Credit card and other consumer | Direct/Indirect Consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 238 272
30 to 59 Days Past Due | Credit card and other consumer | Other consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 20 26
30 to 59 Days Past Due | Commercial Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 601 1,583
30 to 59 Days Past Due | Commercial Portfolio Segment | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 350 952
30 to 59 Days Past Due | Commercial Portfolio Segment | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 121 348
30 to 59 Days Past Due | Commercial Portfolio Segment | Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 24 20
30 to 59 Days Past Due | Commercial Portfolio Segment | Commercial Lease Financing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 54 167
30 to 59 Days Past Due | Commercial Portfolio Segment | Small Business Commercial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 52 96
60 to 89 Days Past Due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 2,031  
Loans and leases including disposal group   $ 2,142
Percentage of outstandings 0.22% 0.23%
60 to 89 Days Past Due | Consumer Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 1,395 $ 1,795
Loans and leases including disposal group   1,795
60 to 89 Days Past Due | Consumer real estate | Core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 264 425
60 to 89 Days Past Due | Consumer real estate | Core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 105 105
60 to 89 Days Past Due | Consumer real estate | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 519 674
60 to 89 Days Past Due | Consumer real estate | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 120 136
60 to 89 Days Past Due | Consumer real estate | Fully Insured Loans    
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 435 547
60 to 89 Days Past Due | Consumer real estate | Nonperforming Financing Receivable    
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 203 216
60 to 89 Days Past Due | Credit card and other consumer | Credit Card Receivable | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 313 341
60 to 89 Days Past Due | Credit card and other consumer | Credit Card Receivable | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases including disposal group   27
60 to 89 Days Past Due | Credit card and other consumer | Direct/Indirect Consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 69 79
60 to 89 Days Past Due | Credit card and other consumer | Other consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 5 8
60 to 89 Days Past Due | Commercial Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 636 347
60 to 89 Days Past Due | Commercial Portfolio Segment | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 446 263
60 to 89 Days Past Due | Commercial Portfolio Segment | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 74 4
60 to 89 Days Past Due | Commercial Portfolio Segment | Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 10 10
60 to 89 Days Past Due | Commercial Portfolio Segment | Commercial Lease Financing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 72 21
60 to 89 Days Past Due | Commercial Portfolio Segment | Small Business Commercial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 34 49
90 Days or More Past Due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 7,575  
Loans and leases including disposal group   $ 9,299
Percentage of outstandings 0.83% 1.02%
90 Days or More Past Due | Consumer Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 7,057 $ 8,727
Loans and leases including disposal group   8,727
90 Days or More Past Due | Consumer real estate | Core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,029 1,213
90 Days or More Past Due | Consumer real estate | Core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 427 451
90 Days or More Past Due | Consumer real estate | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 4,113 5,343
90 Days or More Past Due | Consumer real estate | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 677 832
90 Days or More Past Due | Consumer real estate | Fully Insured Loans    
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 3,700 4,800
90 Days or More Past Due | Credit card and other consumer | Credit Card Receivable | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 772 782
90 Days or More Past Due | Credit card and other consumer | Credit Card Receivable | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases including disposal group   66
90 Days or More Past Due | Credit card and other consumer | Direct/Indirect Consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 33 34
90 Days or More Past Due | Credit card and other consumer | Other consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 6 6
90 Days or More Past Due | Commercial Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 518 572
90 Days or More Past Due | Commercial Portfolio Segment | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 361 400
90 Days or More Past Due | Commercial Portfolio Segment | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 0 5
90 Days or More Past Due | Commercial Portfolio Segment | Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 50 56
90 Days or More Past Due | Commercial Portfolio Segment | Commercial Lease Financing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 27 27
90 Days or More Past Due | Commercial Portfolio Segment | Small Business Commercial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 80 84
Total Past Due 30 Days or More    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 13,434  
Loans and leases including disposal group   $ 17,008
Percentage of outstandings 1.47% 1.86%
Total Past Due 30 Days or More | Consumer Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 11,679 $ 14,506
Loans and leases including disposal group   14,506
Total Past Due 30 Days or More | Consumer real estate | Core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 2,288 2,978
Total Past Due 30 Days or More | Consumer real estate | Core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 734 795
Total Past Due 30 Days or More | Consumer real estate | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 5,705 7,355
Total Past Due 30 Days or More | Consumer real estate | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,031 1,228
Total Past Due 30 Days or More | Credit card and other consumer | Credit Card Receivable | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,550 1,595
Total Past Due 30 Days or More | Credit card and other consumer | Credit Card Receivable | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases including disposal group   130
Total Past Due 30 Days or More | Credit card and other consumer | Direct/Indirect Consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 340 385
Total Past Due 30 Days or More | Credit card and other consumer | Other consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 31 40
Total Past Due 30 Days or More | Commercial Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,755 2,502
Total Past Due 30 Days or More | Commercial Portfolio Segment | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 1,157 1,615
Total Past Due 30 Days or More | Commercial Portfolio Segment | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 195 357
Total Past Due 30 Days or More | Commercial Portfolio Segment | Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 84 86
Total Past Due 30 Days or More | Commercial Portfolio Segment | Commercial Lease Financing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 153 215
Total Past Due 30 Days or More | Commercial Portfolio Segment | Small Business Commercial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 166 229
Total Current or Less Than 30 Days Past Due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 883,463  
Loans and leases including disposal group   $ 878,066
Percentage of outstandings 96.38% 95.87%
Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 422,192 $ 428,076
Loans and leases including disposal group   428,076
Total Current or Less Than 30 Days Past Due | Consumer real estate | Core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 163,921 153,519
Total Current or Less Than 30 Days Past Due | Consumer real estate | Core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 45,908 48,578
Total Current or Less Than 30 Days Past Due | Consumer real estate | Non-core Portfolio, Residential Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 16,258 17,818
Total Current or Less Than 30 Days Past Due | Consumer real estate | Non-core Portfolio, Home Equity Financing Receivable    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 11,099 12,231
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Credit Card Receivable | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 89,226 90,683
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Credit Card Receivable | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases including disposal group   9,084
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Direct/Indirect Consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 93,153 93,704
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Other consumer    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 2,627 2,459
Total Current or Less Than 30 Days Past Due | Commercial Portfolio Segment    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 461,271 449,990
Total Current or Less Than 30 Days Past Due | Commercial Portfolio Segment | United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 276,518 268,757
Total Current or Less Than 30 Days Past Due | Commercial Portfolio Segment | Non United States    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 90,591 89,040
Total Current or Less Than 30 Days Past Due | Commercial Portfolio Segment | Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 59,093 57,269
Total Current or Less Than 30 Days Past Due | Commercial Portfolio Segment | Commercial Lease Financing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases 21,675 22,160
Total Current or Less Than 30 Days Past Due | Commercial Portfolio Segment | Small Business Commercial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans and leases $ 13,394 $ 12,764