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Other Non-Interest Income and Expense (Other Non-Interest Expense) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Other Income and Expenses [Abstract] |  |  |
Outside Services | $ 162 | $ 163 | $ 157
Marketing Expense | 110 | 110 | 102
Professional, legal and regulatory expenses | 94 | 85 | 263
Credit and checkcard expense | 59 | 60 | 66
FDIC insurance assessments | 109 | 228 | 61
Operating Income (Loss) | 95 | 212 | 56
Branch Consolidation And Property and Equipment Charges | 3 | 7 | 3
Visa class B shares expense | 32 | 28 | 24
Early extinguishment of debt | 0 | (4) | 0
Other Miscellaneous Expenses | 365 | 410 | 326
Other | $ 1,029 | $ 1,299 | $ 1,058

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- Definition Non-interest expense on branch consolidation and equipment charges. + References No definition available. + Details
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