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Commitments and Contingent Liabilities Variable Interest Entities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Other Assets [Member]
Variable Interest Entity [Line Items]
Amortization Method Qualified Affordable Housing Project Investments	$ 390	$ 352
Other Liabilities [Member]
Variable Interest Entity [Line Items]
Qualified Affordable Housing Project Investments, Commitment	$ 81	$ 106

X

- Definition

Amount 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 (b)
-URI https://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985

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Amount of commitment or contingent commitments to qualified affordable housing project investments.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 740
-Section 50
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-Subparagraph (e)
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