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Variable Interest Entities (VIEs) (Impact Of VIEs On The Consolidated Statements Of Comprehensive Income) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Variable Interest Entity [Line Items] |  |  |
Other noninterest income | $ 60 | $ 83 | $ 31
Provision for income taxes | 190 | 263 | 325
Variable Interest Entity |  |  |
Variable Interest Entity [Line Items] |  |  |
Other noninterest income |  | (4) | 0
Provision for income taxes | (15) | (17) | (14)
Low income housing tax credits | Variable Interest Entity |  |  |
Variable Interest Entity [Line Items] |  |  |
Investment Program, Proportional Amortization Method, Applied, Amortization Expense | 76 | 69 | 72
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit And Other Income Tax Benefit, Before Amortization Expense | 75 | 65 | 68
Other tax benefits related to tax credit entities | Variable Interest Entity |  |  |
Variable Interest Entity [Line Items] |  |  |
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit And Other Income Tax Benefit, Before Amortization Expense | $ 16 | $ 21 | $ 18

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