v3.26.1
Business Segment Information (Schedule Of Financial Information By Reportable Segment) (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
Jun. 30, 2025
USD ($)
Segment Reporting [Line Items]        
Reportable segments | segment     3  
Net interest income and other financing income (loss) $ 1,277 $ 1,259 $ 2,525 $ 2,453
Provision for credit losses 68 126 159 250
Total Noninterest Income 630 646 1,255 1,236
Salaries and employee benefits 697 658 1,356 1,283
Equipment and software expense 107 104 215 203
Net occupancy expense 73 72 145 142
Other expenses (benefits) 244 239 473 484
Total non-interest expense 1,121 1,073 2,189 2,112
Income before income taxes 718 706 1,432 1,327
Income tax expense (benefit) 148 143 303 274
Net income (loss) 570 563 1,129 1,053
Average assets 161,237 157,974 160,268 157,428
Service charges on deposit accounts        
Segment Reporting [Line Items]        
Total Noninterest Income 167 151 330 312
Card and ATM fees        
Segment Reporting [Line Items]        
Total Noninterest Income 126 125 243 242
Investment management and trust fee income        
Segment Reporting [Line Items]        
Total Noninterest Income 97 90 189 176
Capital markets income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 84 83 168 163
Mortgage income        
Segment Reporting [Line Items]        
Total Noninterest Income 33 48 65 88
Investment Services Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 53 43 102 86
Commercial Credit Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 28 29 58 56
Bank-owned life insurance [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 24 24 54 47
Securities gains, net [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income (41) (1) (44) (26)
Market value adjustments on employee benefit assets - other [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 24 16 19 13
Other miscellaneous income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 35 38 71 79
Corporate Bank        
Segment Reporting [Line Items]        
Net interest income and other financing income (loss) 483 474 956 916
Provision for credit losses 51 56 122 121
Total Noninterest Income 242 225 472 448
Salaries and employee benefits 143 137 294 282
Equipment and software expense 6 5 11 10
Net occupancy expense 7 7 14 14
Other expenses (benefits) 172 162 340 315
Total non-interest expense 328 311 659 621
Income before income taxes 346 332 647 622
Income tax expense (benefit) 86 83 162 155
Net income (loss) 260 249 485 467
Average assets 73,240 69,768 72,227 69,530
Corporate Bank | Service charges on deposit accounts        
Segment Reporting [Line Items]        
Total Noninterest Income 66 60 132 124
Corporate Bank | Card and ATM fees        
Segment Reporting [Line Items]        
Total Noninterest Income 11 11 23 22
Corporate Bank | Investment management and trust fee income        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Corporate Bank | Capital markets income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 84 83 167 162
Corporate Bank | Mortgage income        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Corporate Bank | Investment Services Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Corporate Bank | Commercial Credit Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 28 29 57 56
Corporate Bank | Bank-owned life insurance [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Corporate Bank | Securities gains, net [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Corporate Bank | Market value adjustments on employee benefit assets - other [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Corporate Bank | Other miscellaneous income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 53 42 93 84
Consumer Bank        
Segment Reporting [Line Items]        
Net interest income and other financing income (loss) 748 742 1,477 1,451
Provision for credit losses 51 58 108 117
Total Noninterest Income 265 272 517 533
Salaries and employee benefits 208 195 411 389
Equipment and software expense 22 24 46 48
Net occupancy expense 56 55 111 108
Other expenses (benefits) 346 328 671 649
Total non-interest expense 632 602 1,239 1,194
Income before income taxes 330 354 647 673
Income tax expense (benefit) 82 88 162 168
Net income (loss) 248 266 485 505
Average assets 36,658 37,502 36,781 37,595
Consumer Bank | Service charges on deposit accounts        
Segment Reporting [Line Items]        
Total Noninterest Income 100 90 196 186
Consumer Bank | Card and ATM fees        
Segment Reporting [Line Items]        
Total Noninterest Income 115 114 220 220
Consumer Bank | Investment management and trust fee income        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Consumer Bank | Capital markets income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 1 0
Consumer Bank | Mortgage income        
Segment Reporting [Line Items]        
Total Noninterest Income 33 48 65 88
Consumer Bank | Investment Services Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Consumer Bank | Commercial Credit Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 1 0
Consumer Bank | Bank-owned life insurance [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Consumer Bank | Securities gains, net [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Consumer Bank | Market value adjustments on employee benefit assets - other [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Consumer Bank | Other miscellaneous income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 17 20 34 39
Wealth Management        
Segment Reporting [Line Items]        
Net interest income and other financing income (loss) 46 43 92 86
Provision for credit losses 0 0 0 0
Total Noninterest Income 153 135 295 267
Salaries and employee benefits 76 67 152 137
Equipment and software expense 1 1 1 1
Net occupancy expense 3 3 6 6
Other expenses (benefits) 48 51 99 100
Total non-interest expense 128 122 258 244
Income before income taxes 71 56 129 109
Income tax expense (benefit) 18 13 32 27
Net income (loss) 53 43 97 82
Average assets 2,288 2,112 2,252 2,123
Wealth Management | Service charges on deposit accounts        
Segment Reporting [Line Items]        
Total Noninterest Income 1 1 2 2
Wealth Management | Card and ATM fees        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Wealth Management | Investment management and trust fee income        
Segment Reporting [Line Items]        
Total Noninterest Income 97 90 189 176
Wealth Management | Capital markets income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 1
Wealth Management | Mortgage income        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Wealth Management | Investment Services Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 53 43 102 86
Wealth Management | Commercial Credit Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Wealth Management | Bank-owned life insurance [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Wealth Management | Securities gains, net [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Wealth Management | Market value adjustments on employee benefit assets - other [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Wealth Management | Other miscellaneous income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 2 1 2 2
Other        
Segment Reporting [Line Items]        
Net interest income and other financing income (loss) 0 0 0 0
Provision for credit losses (34) 12 (71) 12
Total Noninterest Income (30) 14 (29) (12)
Salaries and employee benefits 270 259 499 475
Equipment and software expense 78 74 157 144
Net occupancy expense 7 7 14 14
Other expenses (benefits) (322) (302) (637) (580)
Total non-interest expense 33 38 33 53
Income before income taxes (29) (36) 9 (77)
Income tax expense (benefit) (38) (41) (53) (76)
Net income (loss) 9 5 62 (1)
Average assets 49,051 48,592 49,008 48,180
Other | Service charges on deposit accounts        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Other | Card and ATM fees        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Other | Investment management and trust fee income        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Other | Capital markets income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Other | Mortgage income        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Other | Investment Services Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Other | Commercial Credit Fee Income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 0 0 0 0
Other | Bank-owned life insurance [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 24 24 54 47
Other | Securities gains, net [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income (41) (1) (44) (26)
Other | Market value adjustments on employee benefit assets - other [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income 24 16 19 13
Other | Other miscellaneous income [Member]        
Segment Reporting [Line Items]        
Total Noninterest Income $ (37) $ (25) $ (58) $ (46)