v3.26.1
Business Segment Reporting - Schedule of Selected Financial Data for Our Business Segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
SUMMARY OF OPERATIONS        
Net interest income (TE) $ 1,258 $ 1,150 $ 2,488 $ 2,255
Noninterest income 706 690 1,429 1,358
Total revenue (TE) 1,964 1,840 3,917 3,613
Provision for credit losses 92 138 198 256
Personnel expense 786 705 1,529 1,385
Other direct noninterest expense 431 449 869 900
Support and overhead 0 0 0 0
Income (loss) from continuing operations before income taxes (TE) 655 548 1,321 1,072
Allocated income taxes and TE adjustments 147 125 291 243
INCOME (LOSS) FROM CONTINUING OPERATIONS 508 423 1,030 829
Income (loss) from discontinued operations, net of taxes 1 2 1 1
NET INCOME (LOSS) 509 425 1,031 830
AVERAGE BALANCES        
Loans and leases 110,072 105,715 108,911 105,039
Total assets 188,300 186,800 187,280 186,446
Deposits 147,577 147,446 147,438 147,990
Operating Segments | Consumer Bank        
SUMMARY OF OPERATIONS        
Net interest income (TE) 757 731 1,495 1,437
Noninterest income 253 235 492 460
Total revenue (TE) 1,010 966 1,987 1,897
Provision for credit losses 26 55 66 97
Personnel expense 239 222 471 440
Other direct noninterest expense 138 140 271 283
Support and overhead 339 331 682 645
Income (loss) from continuing operations before income taxes (TE) 268 218 497 432
Allocated income taxes and TE adjustments 65 53 120 105
INCOME (LOSS) FROM CONTINUING OPERATIONS 203 165 377 327
Income (loss) from discontinued operations, net of taxes 0 0 0 0
NET INCOME (LOSS) 203 165 377 327
AVERAGE BALANCES        
Loans and leases 33,263 36,138 33,630 36,476
Total assets 36,630 39,156 36,984 39,479
Deposits 87,399 88,002 87,598 88,153
Operating Segments | Commercial Bank        
SUMMARY OF OPERATIONS        
Net interest income (TE) 697 649 1,371 1,288
Noninterest income 411 425 856 835
Total revenue (TE) 1,108 1,074 2,227 2,123
Provision for credit losses 67 84 137 159
Personnel expense 203 179 398 368
Other direct noninterest expense 75 69 141 146
Support and overhead 225 203 437 402
Income (loss) from continuing operations before income taxes (TE) 538 539 1,114 1,048
Allocated income taxes and TE adjustments 115 116 239 225
INCOME (LOSS) FROM CONTINUING OPERATIONS 423 423 875 823
Income (loss) from discontinued operations, net of taxes 0 0 0 0
NET INCOME (LOSS) 423 423 875 823
AVERAGE BALANCES        
Loans and leases 76,238 69,089 74,692 68,077
Total assets 85,793 78,624 84,133 77,725
Deposits 58,895 55,927 58,912 56,657
Other        
SUMMARY OF OPERATIONS        
Net interest income (TE) (196) (230) (378) (470)
Noninterest income 42 30 81 63
Total revenue (TE) (154) (200) (297) (407)
Provision for credit losses (1) (1) (5) 0
Personnel expense 344 304 660 577
Other direct noninterest expense 218 240 457 471
Support and overhead (564) (534) (1,119) (1,047)
Income (loss) from continuing operations before income taxes (TE) (151) (209) (290) (408)
Allocated income taxes and TE adjustments (33) (44) (68) (87)
INCOME (LOSS) FROM CONTINUING OPERATIONS (118) (165) (222) (321)
Income (loss) from discontinued operations, net of taxes 1 2 1 1
NET INCOME (LOSS) (117) (163) (221) (320)
AVERAGE BALANCES        
Loans and leases 571 488 589 486
Total assets 65,877 69,019 66,163 69,242
Deposits $ 1,283 $ 3,517 $ 929 $ 3,180