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Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred Tax Assets, Net [Abstract] |  |
Net unrealized losses on securities and financial instruments | $ 2,098 | $ 2,417
Allowance for loan and lease losses | 1,105 | 1,147
Lease obligations | 475 | 508
Compensation and benefits | 312 | 261
Allowance for unfunded lending related commitments | 177 | 161
Accrued expenses | 188 | 209
Other | 340 | 384
Total gross deferred tax assets | 4,695 | 5,087
Valuation allowance | (23) | (26)
Total deferred tax assets | 4,672 | 5,061
Deferred tax liabilities |  |
Leasing | 919 | 938
Fixed assets | 397 | 477
Right of Use Assets | 412 | 445
Mortgage servicing rights | 434 | 359
Goodwill and intangibles | 249 | 252
Other | 472 | 461
Total deferred tax liabilities | 2,883 | 2,932
Net deferred tax asset | $ 1,789 | $ 2,129

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