Annual report pursuant to Section 13 and 15(d)

LOANS AND LEASES AND ALLOWANCE FOR CREDIT LOSSES - NALs Past Due (Details)

v3.8.0.1
LOANS AND LEASES AND ALLOWANCE FOR CREDIT LOSSES - NALs Past Due (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due $ 714 $ 719
Loans and leases, current 69,269 66,059
Loans and Leases Receivable, Gross 70,117 66,962
90 or more days past due and accruing 115 129
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 41 102
Consumer loans 93 82
30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 335 321
60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 108 109
90 or more days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 271 289
Commercial Portfolio Segment [Member] | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 114 136
Loans and leases, current 27,954 27,855
Loans and Leases Receivable, Gross 28,107 28,059
90 or more days past due and accruing 9 18
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 39 68
Consumer loans 0 0
Commercial Portfolio Segment [Member] | Commercial and Industrial | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 35 42
Commercial Portfolio Segment [Member] | Commercial and Industrial | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 14 20
Commercial Portfolio Segment [Member] | Commercial and Industrial | 90 or more days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 65 74
Commercial Portfolio Segment [Member] | Commercial Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 22 54
Loans and leases, current 7,201 7,213
Loans and Leases Receivable, Gross 7,225 7,301
90 or more days past due and accruing 3 17
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 2 34
Consumer loans 0 0
Commercial Portfolio Segment [Member] | Commercial Real Estate | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 10 21
Commercial Portfolio Segment [Member] | Commercial Real Estate | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 1 3
Commercial Portfolio Segment [Member] | Commercial Real Estate | 90 or more days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 11 30
Consumer | Automobile    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 117 103
Loans and leases, current 11,982 10,864
Loans and Leases Receivable, Gross 12,100 10,969
90 or more days past due and accruing 7 10
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 0 0
Consumer loans 1 2
Consumer | Automobile | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 89 76
Consumer | Automobile | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 18 17
Consumer | Automobile | 90 or more days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 10 10
Consumer | Home Equity    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 128 116
Loans and leases, current 9,969 9,987
Loans and Leases Receivable, Gross 10,099 10,106
90 or more days past due and accruing 18 12
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 0 0
Consumer loans 2 3
Consumer | Home Equity | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 49 39
Consumer | Home Equity | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 19 24
Consumer | Home Equity | 90 or more days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 60 53
Consumer | Residential Mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 295 276
Loans and leases, current 8,642 7,374
Loans and Leases Receivable, Gross 9,026 7,725
90 or more days past due and accruing 72 67
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 0 0
Consumer loans 89 75
Consumer | Residential Mortgage | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 129 122
Consumer | Residential Mortgage | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 48 37
Consumer | Residential Mortgage | 90 or more days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 118 117
Consumer | RV and marine finance    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 16 14
Loans and leases, current 2,421 1,830
Loans and Leases Receivable, Gross 2,438 1,846
90 or more days past due and accruing 1 1
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 0 0
Consumer loans 1 2
Consumer | RV and marine finance | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 11 10
Consumer | RV and marine finance | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 3 2
Consumer | RV and marine finance | 90 or more days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 2 2
Consumer | Consumer    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 22 20
Loans and leases, current 1,100 936
Loans and Leases Receivable, Gross 1,122 956
90 or more days past due and accruing 5 4
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 0 0
Consumer loans 0 0
Consumer | Consumer | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 12 11
Consumer | Consumer | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due 5 6
Consumer | Consumer | 90 or more days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases, past due $ 5 $ 3