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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

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