v3.24.0.1
Business Segment Information (Schedule Of Financial Information By Reportable Segment) (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2023
USD ($)
segment
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Segment Reporting Information [Line Items]      
Reportable segments | segment 3    
Net interest income and other financing income (loss) $ 5,320 $ 4,786 $ 3,914
Provision (credit) for credit losses 553 271 (524)
Non-interest income (loss) 2,256 2,429 2,524
Non-interest expense (benefit) 4,416 4,068 3,747
Income before income taxes 2,607 2,876 3,215
Income tax expense (benefit) 533 631 694
Net income (loss) 2,074 2,245 2,521
Average assets 153,017 159,392 154,269
Corporate Bank [Member]      
Segment Reporting Information [Line Items]      
Net interest income and other financing income (loss) 2,003 1,961 1,759
Provision (credit) for credit losses 343 287 295
Non-interest income (loss) 712 803 752
Non-interest expense (benefit) 1,223 1,184 1,090
Income before income taxes 1,149 1,293 1,126
Income tax expense (benefit) 287 323 282
Net income (loss) 862 970 844
Average assets 69,520 64,532 59,132
Consumer Bank [Member]      
Segment Reporting Information [Line Items]      
Net interest income and other financing income (loss) 3,132 2,641 2,016
Provision (credit) for credit losses 279 280 254
Non-interest income (loss) 1,044 1,165 1,266
Non-interest expense (benefit) 2,574 2,296 2,174
Income before income taxes 1,323 1,230 854
Income tax expense (benefit) 330 308 213
Net income (loss) 993 922 641
Average assets 37,762 36,623 34,309
Wealth Management [Member]      
Segment Reporting Information [Line Items]      
Net interest income and other financing income (loss) 185 184 139
Provision (credit) for credit losses 8 9 10
Non-interest income (loss) 457 426 390
Non-interest expense (benefit) 427 404 387
Income before income taxes 207 197 132
Income tax expense (benefit) 52 50 33
Net income (loss) 155 147 99
Average assets 2,044 2,116 2,046
Other [Member]      
Segment Reporting Information [Line Items]      
Net interest income and other financing income (loss) 0 0 0
Provision (credit) for credit losses (77) (305) (1,083)
Non-interest income (loss) 43 35 116
Non-interest expense (benefit) 192 184 96
Income before income taxes (72) 156 1,103
Income tax expense (benefit) (136) (50) 166
Net income (loss) 64 206 937
Average assets $ 43,691 $ 56,121 $ 58,782