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PARENT COMPANY FINANCIAL STATEMENTS - Schedule of Statements of Cash Flows of Parent Company Only (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Operating Activities |  |  |
Net income | $ 565 | $ 465 | $ 485
Other, net | (171) | 42 | (222)
Net cash flows provided by (used in) operating activities | 482 | 642 | 423
Investing Activities |  |  |
Increase in premises and equipment | (106) | (139) | (88)
Net cash flows provided by (used in) investing activities | (1,487) | (1,703) | (2,261)
Financing Activities |  |  |
Decrease in long-term debt | (1,751) | (341) | (352)
Increase in long-term debt | 638 | 1,379 | 1,230
Redemption of preferred stock | 0 | (111) | 0
Other, net | 10 | 12 | 8
Preferred stock | 0 | (2) | (8)
Common stock | (174) | (175) | (174)
Net cash flows provided by (used in) financing activities | 1,084 | 1,904 | 1,740
Net Increase (Decrease) in Cash and Cash Equivalents | 79 | 843 | (98)
Cash and cash equivalents at beginning of year | 2,419 | 1,576 | 1,674
Cash and Cash Equivalents at End of Year | 2,498 | 2,419 | 1,576
Parent Company |  |  |
Operating Activities |  |  |
Net income | 565 | 465 | 485
Undistributed earnings from subsidiaries | (418) | (200) | (136)
Other, net | 28 | (6) | (4)
Net cash flows provided by (used in) operating activities | 175 | 259 | 345
Investing Activities |  |  |
Net increase in advances to subsidiaries | 0 | 0 | (75)
Payment for further investment in subsidiaries | (6) | (3) | (9)
Increase in premises and equipment | (5) | (47) | (8)
Net cash flows provided by (used in) investing activities | (11) | (50) | (92)
Financing Activities |  |  |
Net decrease in advance from affiliate | 9 | 0 | 0
Net decrease in short-term borrowings | (1) | 0 | 0
Decrease in long-term debt | (475) | 0 | (331)
Increase in long-term debt | 2 | 499 | 2
Redemption of preferred stock | 0 | (111) | 0
Other, net | (40) | 8 | (29)
Preferred stock | 0 | (2) | (8)
Common stock | (174) | (175) | (174)
Net cash flows provided by (used in) financing activities | (679) | 219 | (540)
Net Increase (Decrease) in Cash and Cash Equivalents | (515) | 428 | (287)
Cash and cash equivalents at beginning of year | 803 | 375 | 662
Cash and Cash Equivalents at End of Year | 288 | 803 | 375
Interest | $ 72 | $ 54 | $ 48

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