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Loans And The Allowance For Credit Losses (Financing Receivables Credit Quality Indicators) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year $ 14,669 $ 16,042  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 11,183 20,029  
Financing Receivable, Originated Two Years before Latest Fiscal Year 16,269 14,395  
Financing Receivable, Originated Three Years before Latest Fiscal Year 10,886 9,423  
Financing Receivable, Originated Four Years before Latest Fiscal Year 7,503 3,650  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 9,621 8,728  
Financing Receivable, Revolving 26,327 25,943  
Financing Receivable, Revolving Converted to Amortizing 83 77  
Financing Receivable, Unallocated 186 92  
Loans, net of unearned income 96,727 98,379  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 79 72  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 98 114  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 145 87  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 42 45  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 17 43  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 34 62  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 146 67  
Charge-offs 561 490 $ 375
Commercial And Industrial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 8,473 8,628  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 5,376 9,623  
Financing Receivable, Originated Two Years before Latest Fiscal Year 6,847 5,449  
Financing Receivable, Originated Three Years before Latest Fiscal Year 3,461 2,479  
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,566 1,429  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 3,577 3,313  
Financing Receivable, Revolving 20,257 19,891  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 114 53  
Loans, net of unearned income 49,671 50,865  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 12 12  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 59 57  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 82 55  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 15 28  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 8 15  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 11 16  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 70 12  
Charge-offs 257 195  
Commercial Real Estate Mortgage - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 805 827  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 724 1,004  
Financing Receivable, Originated Two Years before Latest Fiscal Year 895 1,063  
Financing Receivable, Originated Three Years before Latest Fiscal Year 872 700  
Financing Receivable, Originated Four Years before Latest Fiscal Year 550 361  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 907 846  
Financing Receivable, Revolving 93 91  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (5) (5)  
Loans, net of unearned income 4,841 4,887  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 0 1  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 3 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 1 1  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 0 0  
Charge-offs 4 2  
Commercial Real Estate Construction - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 131 91  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 60 61  
Financing Receivable, Originated Two Years before Latest Fiscal Year 42 44  
Financing Receivable, Originated Three Years before Latest Fiscal Year 30 27  
Financing Receivable, Originated Four Years before Latest Fiscal Year 22 11  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 41 44  
Financing Receivable, Revolving 7 3  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 333 281  
Commercial Investor Real Estate Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 2,014 1,632  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 569 2,088  
Financing Receivable, Originated Two Years before Latest Fiscal Year 2,206 1,224  
Financing Receivable, Originated Three Years before Latest Fiscal Year 816 614  
Financing Receivable, Originated Four Years before Latest Fiscal Year 361 405  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 178 141  
Financing Receivable, Revolving 425 505  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (2) (4)  
Loans, net of unearned income 6,567 6,605  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 25    
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 6    
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 5    
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0    
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 6    
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 0    
Charge-offs 42    
Commercial Investor Real Estate Construction [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 300 256  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 412 983  
Financing Receivable, Originated Two Years before Latest Fiscal Year 661 280  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 26  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 2  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 2 1  
Financing Receivable, Revolving 781 712  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (13) (15)  
Loans, net of unearned income 2,143 2,245  
Residential First Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 1,318 2,305  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 2,343 3,420  
Financing Receivable, Originated Two Years before Latest Fiscal Year 3,290 5,037  
Financing Receivable, Originated Three Years before Latest Fiscal Year 4,671 4,890  
Financing Receivable, Originated Four Years before Latest Fiscal Year 4,471 975  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 3,827 3,398  
Financing Receivable, Revolving 2 1  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 172 181  
Loans, net of unearned income 20,094 20,207  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 2 1  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 0 0  
Charge-offs 2 1  
Home Equity Lines of Credit [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 3,033 3,111  
Financing Receivable, Revolving Converted to Amortizing 83 77  
Financing Receivable, Unallocated 34 33  
Loans, net of unearned income 3,150 3,221  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 3 3  
Charge-offs 3 3  
Home Equity Loan [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 401 397  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 330 471  
Financing Receivable, Originated Two Years before Latest Fiscal Year 398 486  
Financing Receivable, Originated Three Years before Latest Fiscal Year 409 243  
Financing Receivable, Originated Four Years before Latest Fiscal Year 197 125  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 639 701  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 16 16  
Loans, net of unearned income 2,390 2,439  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff   0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff   0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff   0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff   0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff   1  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff   0  
Charge-offs   1  
Consumer Credit Card Financing Receivable [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 1,467 1,359  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (22) (18)  
Loans, net of unearned income 1,445 1,341  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 63 52  
Charge-offs 63 52  
Other consumer- exit portfolios      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 4  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 5 39  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (1) 0  
Loans, net of unearned income 4 43  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 0 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 19  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 1 31  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 0 0  
Charge-offs 1 50  
Other Consumer [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 1,227 1,906  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,369 2,379  
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,930 812  
Financing Receivable, Originated Three Years before Latest Fiscal Year 627 444  
Financing Receivable, Originated Four Years before Latest Fiscal Year 336 338  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 445 245  
Financing Receivable, Revolving 262 270  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (107) (149)  
Loans, net of unearned income 6,089 6,245  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 42 59  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 39 57  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 57 32  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 19 17  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 9 9  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 13 12  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 10 0  
Charge-offs 189 186  
Pass [Member] | Commercial And Industrial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 8,285 8,272  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 4,798 9,123  
Financing Receivable, Originated Two Years before Latest Fiscal Year 6,295 5,267  
Financing Receivable, Originated Three Years before Latest Fiscal Year 3,284 2,326  
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,526 1,376  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 3,446 3,210  
Financing Receivable, Revolving 19,165 18,561  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 114 53  
Loans, net of unearned income 46,913 48,188  
Pass [Member] | Commercial Real Estate Mortgage - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 794 799  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 695 954  
Financing Receivable, Originated Two Years before Latest Fiscal Year 796 988  
Financing Receivable, Originated Three Years before Latest Fiscal Year 785 658  
Financing Receivable, Originated Four Years before Latest Fiscal Year 522 343  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 808 801  
Financing Receivable, Revolving 87 76  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (5) (5)  
Loans, net of unearned income 4,482 4,614  
Pass [Member] | Commercial Real Estate Construction - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 131 89  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 54 53  
Financing Receivable, Originated Two Years before Latest Fiscal Year 38 44  
Financing Receivable, Originated Three Years before Latest Fiscal Year 30 24  
Financing Receivable, Originated Four Years before Latest Fiscal Year 20 11  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 37 38  
Financing Receivable, Revolving 7 3  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 317 262  
Pass [Member] | Commercial Investor Real Estate Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 1,598 1,130  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 464 1,587  
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,753 1,135  
Financing Receivable, Originated Three Years before Latest Fiscal Year 747 488  
Financing Receivable, Originated Four Years before Latest Fiscal Year 322 296  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 125 110  
Financing Receivable, Revolving 314 383  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (2) (4)  
Loans, net of unearned income 5,321 5,125  
Pass [Member] | Commercial Investor Real Estate Construction [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 300 256  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 380 836  
Financing Receivable, Originated Two Years before Latest Fiscal Year 443 280  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 26  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 2  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 2 1  
Financing Receivable, Revolving 694 649  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (13) (15)  
Loans, net of unearned income 1,806 2,035  
Special Mention [Member] | Commercial And Industrial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 59 87  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 309 186  
Financing Receivable, Originated Two Years before Latest Fiscal Year 173 71  
Financing Receivable, Originated Three Years before Latest Fiscal Year 61 109  
Financing Receivable, Originated Four Years before Latest Fiscal Year 3 26  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 41 90  
Financing Receivable, Revolving 460 484  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 1,106 1,053  
Special Mention [Member] | Commercial Real Estate Mortgage - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 5 21  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 21 13  
Financing Receivable, Originated Two Years before Latest Fiscal Year 57 33  
Financing Receivable, Originated Three Years before Latest Fiscal Year 33 20  
Financing Receivable, Originated Four Years before Latest Fiscal Year 9 7  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 57 13  
Financing Receivable, Revolving 2 14  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 184 121  
Special Mention [Member] | Commercial Real Estate Construction - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 6 7  
Financing Receivable, Originated Two Years before Latest Fiscal Year 1 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 1  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 7 8  
Special Mention [Member] | Commercial Investor Real Estate Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 173 269  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 12 247  
Financing Receivable, Originated Two Years before Latest Fiscal Year 209 52  
Financing Receivable, Originated Three Years before Latest Fiscal Year 30 59  
Financing Receivable, Originated Four Years before Latest Fiscal Year 11 30  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1 0  
Financing Receivable, Revolving 4 90  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 440 747  
Special Mention [Member] | Commercial Investor Real Estate Construction [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 32 122  
Financing Receivable, Originated Two Years before Latest Fiscal Year 218 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 76 59  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 326 181  
Substandard [Member] | Commercial And Industrial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 81 141  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 179 212  
Financing Receivable, Originated Two Years before Latest Fiscal Year 255 74  
Financing Receivable, Originated Three Years before Latest Fiscal Year 79 38  
Financing Receivable, Originated Four Years before Latest Fiscal Year 32 7  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 84 3  
Financing Receivable, Revolving 534 678  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 1,244 1,153  
Substandard [Member] | Commercial Real Estate Mortgage - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 4 3  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 6 34  
Financing Receivable, Originated Two Years before Latest Fiscal Year 37 32  
Financing Receivable, Originated Three Years before Latest Fiscal Year 40 14  
Financing Receivable, Originated Four Years before Latest Fiscal Year 15 8  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 33 24  
Financing Receivable, Revolving 3 1  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 138 116  
Substandard [Member] | Commercial Real Estate Construction - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 1  
Financing Receivable, Originated Two Years before Latest Fiscal Year 3 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 1  
Financing Receivable, Originated Four Years before Latest Fiscal Year 1 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 1  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 4 3  
Substandard [Member] | Commercial Investor Real Estate Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 76 134  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 197  
Financing Receivable, Originated Two Years before Latest Fiscal Year 131 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 39 67  
Financing Receivable, Originated Four Years before Latest Fiscal Year 28 67  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 2 3  
Financing Receivable, Revolving 107 32  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 383 500  
Substandard [Member] | Commercial Investor Real Estate Construction [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 25  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 11 4  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 11 29  
Non-Accrual [Member] | Commercial And Industrial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 48 128  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 90 102  
Financing Receivable, Originated Two Years before Latest Fiscal Year 124 37  
Financing Receivable, Originated Three Years before Latest Fiscal Year 37 6  
Financing Receivable, Originated Four Years before Latest Fiscal Year 5 20  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 6 10  
Financing Receivable, Revolving 98 168  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 408 471  
Non-Accrual [Member] | Commercial Real Estate Mortgage - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 2 4  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 2 3  
Financing Receivable, Originated Two Years before Latest Fiscal Year 5 10  
Financing Receivable, Originated Three Years before Latest Fiscal Year 14 8  
Financing Receivable, Originated Four Years before Latest Fiscal Year 4 3  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 9 8  
Financing Receivable, Revolving 1 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 37 36  
Non-Accrual [Member] | Commercial Real Estate Construction - Owner-Occupied [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 2  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 2  
Financing Receivable, Originated Four Years before Latest Fiscal Year 1 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 4 4  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 5 8  
Non-Accrual [Member] | Commercial Investor Real Estate Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 167 99  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 93 57  
Financing Receivable, Originated Two Years before Latest Fiscal Year 113 37  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 12  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 50 28  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 423 233  
Non-Accrual [Member] | Commercial Investor Real Estate Construction [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 0 0  
Commercial      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 9,409 9,546  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 6,160 10,688  
Financing Receivable, Originated Two Years before Latest Fiscal Year 7,784 6,556  
Financing Receivable, Originated Three Years before Latest Fiscal Year 4,363 3,206  
Financing Receivable, Originated Four Years before Latest Fiscal Year 2,138 1,801  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 4,525 4,203  
Financing Receivable, Revolving 20,357 19,985  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 109 48  
Loans, net of unearned income 54,845 56,033  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 12 13  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 59 57  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 82 55  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 18 28  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 8 15  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 12 17  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 70 12  
Charge-offs 261 197 107
Investor Real Estate      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 2,314 1,888  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 981 3,071  
Financing Receivable, Originated Two Years before Latest Fiscal Year 2,867 1,504  
Financing Receivable, Originated Three Years before Latest Fiscal Year 816 640  
Financing Receivable, Originated Four Years before Latest Fiscal Year 361 407  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 180 142  
Financing Receivable, Revolving 1,206 1,217  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (15) (19)  
Loans, net of unearned income 8,710 8,850  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 25    
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0    
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 6    
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 5    
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0    
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 6    
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 0    
Charge-offs 42 0 5
Consumer      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 2,946 4,608  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 4,042 6,270  
Financing Receivable, Originated Two Years before Latest Fiscal Year 5,618 6,335  
Financing Receivable, Originated Three Years before Latest Fiscal Year 5,707 5,577  
Financing Receivable, Originated Four Years before Latest Fiscal Year 5,004 1,442  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 4,916 4,383  
Financing Receivable, Revolving 4,764 4,741  
Financing Receivable, Revolving Converted to Amortizing 83 77  
Financing Receivable, Unallocated 92 63  
Loans, net of unearned income 33,172 33,496  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff 42 59  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 39 57  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 57 32  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 19 17  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 9 28  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff 16 45  
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff 76 55  
Charge-offs 258 293 $ 263
FICO Scores, Above 720 [Member] | Residential First Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 1,111 1,939  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,967 2,863  
Financing Receivable, Originated Two Years before Latest Fiscal Year 2,742 4,358  
Financing Receivable, Originated Three Years before Latest Fiscal Year 4,055 4,390  
Financing Receivable, Originated Four Years before Latest Fiscal Year 4,004 816  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 2,730 2,353  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 16,609 16,719  
FICO Scores, Above 720 [Member] | Home Equity Lines of Credit [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 2,341 2,399  
Financing Receivable, Revolving Converted to Amortizing 48 45  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 2,389 2,444  
FICO Scores, Above 720 [Member] | Home Equity Loan [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 328 322  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 263 370  
Financing Receivable, Originated Two Years before Latest Fiscal Year 308 397  
Financing Receivable, Originated Three Years before Latest Fiscal Year 329 205  
Financing Receivable, Originated Four Years before Latest Fiscal Year 163 93  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 472 529  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 1,863 1,916  
FICO Scores, Above 720 [Member] | Consumer Credit Card Financing Receivable [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 847 780  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 847 780  
FICO Scores, Above 720 [Member] | Other consumer- exit portfolios      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 2  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 2 22  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 2 24  
FICO Scores, Above 720 [Member] | Other Consumer [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 898 1,312  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,016 1,519  
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,337 501  
Financing Receivable, Originated Three Years before Latest Fiscal Year 417 284  
Financing Receivable, Originated Four Years before Latest Fiscal Year 232 155  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 211 118  
Financing Receivable, Revolving 117 119  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 4,228 4,008  
FICO Scores, 681-720 [Member] | Residential First Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 107 226  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 185 298  
Financing Receivable, Originated Two Years before Latest Fiscal Year 253 355  
Financing Receivable, Originated Three Years before Latest Fiscal Year 289 255  
Financing Receivable, Originated Four Years before Latest Fiscal Year 222 52  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 305 294  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 1,361 1,480  
FICO Scores, 681-720 [Member] | Home Equity Lines of Credit [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 339 346  
Financing Receivable, Revolving Converted to Amortizing 12 11  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 351 357  
FICO Scores, 681-720 [Member] | Home Equity Loan [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 51 53  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 40 62  
Financing Receivable, Originated Two Years before Latest Fiscal Year 49 49  
Financing Receivable, Originated Three Years before Latest Fiscal Year 39 22  
Financing Receivable, Originated Four Years before Latest Fiscal Year 16 14  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 56 60  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 251 260  
FICO Scores, 681-720 [Member] | Consumer Credit Card Financing Receivable [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 270 254  
Financing Receivable, Revolving Converted to Amortizing 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 270 254  
FICO Scores, 681-720 [Member] | Other consumer- exit portfolios      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 1  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1 4  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 1 5  
FICO Scores, 681-720 [Member] | Other Consumer [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 160 270  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 191 409  
Financing Receivable, Originated Two Years before Latest Fiscal Year 275 136  
Financing Receivable, Originated Three Years before Latest Fiscal Year 97 74  
Financing Receivable, Originated Four Years before Latest Fiscal Year 49 34  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 39 29  
Financing Receivable, Revolving 62 67  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 873 1,019  
FICO Scores, 620-680 [Member] | Residential First Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 56 86  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 87 153  
Financing Receivable, Originated Two Years before Latest Fiscal Year 141 153  
Financing Receivable, Originated Three Years before Latest Fiscal Year 136 112  
Financing Receivable, Originated Four Years before Latest Fiscal Year 99 43  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 283 270  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 802 817  
FICO Scores, 620-680 [Member] | Home Equity Lines of Credit [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 176 184  
Financing Receivable, Revolving Converted to Amortizing 11 9  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 187 193  
FICO Scores, 620-680 [Member] | Home Equity Loan [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 18 19  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 19 27  
Financing Receivable, Originated Two Years before Latest Fiscal Year 23 23  
Financing Receivable, Originated Three Years before Latest Fiscal Year 21 8  
Financing Receivable, Originated Four Years before Latest Fiscal Year 9 8  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 48 52  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 138 137  
FICO Scores, 620-680 [Member] | Consumer Credit Card Financing Receivable [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 224 210  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 224 210  
FICO Scores, 620-680 [Member] | Other consumer- exit portfolios      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1 5  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 1 5  
FICO Scores, 620-680 [Member] | Other Consumer [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 82 178  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 111 294  
Financing Receivable, Originated Two Years before Latest Fiscal Year 191 103  
Financing Receivable, Originated Three Years before Latest Fiscal Year 64 50  
Financing Receivable, Originated Four Years before Latest Fiscal Year 31 21  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 24 20  
Financing Receivable, Revolving 50 53  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 553 719  
FICO Scores, Below 620 [Member] | Residential First Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 15 21  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 73 90  
Financing Receivable, Originated Two Years before Latest Fiscal Year 138 122  
Financing Receivable, Originated Three Years before Latest Fiscal Year 150 87  
Financing Receivable, Originated Four Years before Latest Fiscal Year 100 53  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 419 389  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 895 762  
FICO Scores, Below 620 [Member] | Home Equity Lines of Credit [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 96 97  
Financing Receivable, Revolving Converted to Amortizing 7 7  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 103 104  
FICO Scores, Below 620 [Member] | Home Equity Loan [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 3 2  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 7 8  
Financing Receivable, Originated Two Years before Latest Fiscal Year 14 12  
Financing Receivable, Originated Three Years before Latest Fiscal Year 13 5  
Financing Receivable, Originated Four Years before Latest Fiscal Year 5 7  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 37 35  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 79 69  
FICO Scores, Below 620 [Member] | Consumer Credit Card Financing Receivable [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 108 95  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 108 95  
FICO Scores, Below 620 [Member] | Other consumer- exit portfolios      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 1  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1 7  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 1 8  
FICO Scores, Below 620 [Member] | Other Consumer [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 16 52  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 47 147  
Financing Receivable, Originated Two Years before Latest Fiscal Year 117 65  
Financing Receivable, Originated Three Years before Latest Fiscal Year 43 31  
Financing Receivable, Originated Four Years before Latest Fiscal Year 19 14  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 16 13  
Financing Receivable, Revolving 31 30  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 0 0  
Loans, net of unearned income 289 352  
FICO Scores, Data not available [Member] [Member] | Residential First Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 29 33  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 31 16  
Financing Receivable, Originated Two Years before Latest Fiscal Year 16 49  
Financing Receivable, Originated Three Years before Latest Fiscal Year 41 46  
Financing Receivable, Originated Four Years before Latest Fiscal Year 46 11  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 90 92  
Financing Receivable, Revolving 2 1  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 172 181  
Loans, net of unearned income 427 429  
FICO Scores, Data not available [Member] [Member] | Home Equity Lines of Credit [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 81 85  
Financing Receivable, Revolving Converted to Amortizing 5 5  
Financing Receivable, Unallocated 34 33  
Loans, net of unearned income 120 123  
FICO Scores, Data not available [Member] [Member] | Home Equity Loan [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 1 1  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1 4  
Financing Receivable, Originated Two Years before Latest Fiscal Year 4 5  
Financing Receivable, Originated Three Years before Latest Fiscal Year 7 3  
Financing Receivable, Originated Four Years before Latest Fiscal Year 4 3  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 26 25  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated 16 16  
Loans, net of unearned income 59 57  
FICO Scores, Data not available [Member] [Member] | Consumer Credit Card Financing Receivable [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0  
Financing Receivable, Revolving 18 20  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (22) (18)  
Loans, net of unearned income (4) 2  
FICO Scores, Data not available [Member] [Member] | Other consumer- exit portfolios      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 0 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 1  
Financing Receivable, Revolving 0 0  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (1) 0  
Loans, net of unearned income (1) 1  
FICO Scores, Data not available [Member] [Member] | Other Consumer [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Originated in Current Fiscal Year 71 94  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 4 10  
Financing Receivable, Originated Two Years before Latest Fiscal Year 10 7  
Financing Receivable, Originated Three Years before Latest Fiscal Year 6 5  
Financing Receivable, Originated Four Years before Latest Fiscal Year 5 114  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 155 65  
Financing Receivable, Revolving 2 1  
Financing Receivable, Revolving Converted to Amortizing 0 0  
Financing Receivable, Unallocated (107) (149)  
Loans, net of unearned income $ 146 $ 147