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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, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Variable Interest Entity [Line Items] |  |  |
Other noninterest income | $ 43 | $ 99 | $ 91
Provision for income taxes | 325 | 322 | 124
Variable Interest Entity |  |  |
Variable Interest Entity [Line Items] |  |  |
Other noninterest income | 0 | 1 | 1
Provision for income taxes | (14) | (14) | (12)
Low income housing tax credits | Variable Interest Entity |  |  |
Variable Interest Entity [Line Items] |  |  |
Provision for income taxes, amortization of LIHTC investments | 72 | 71 | 67
Provision for income taxes, affordable housing tax credits and other tax benefits | (68) | (68) | (63)
Other tax benefits related to tax credit entities | Variable Interest Entity |  |  |
Variable Interest Entity [Line Items] |  |  |
Provision for income taxes, affordable housing tax credits and other tax benefits | $ (18) | $ (17) | $ (16)

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- Definition Amount of affordable housing tax credits and other tax benefits recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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- Definition Amount of amortization expense of investment in qualified affordable housing projects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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