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Commitments and Contingent Liabilities Variable Interest Entities (Details) $ in Millions | Mar. 31, 2024 USD ($)
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Other Assets [Member] |
Variable Interest Entity [Line Items] |
Amortization Method Qualified Affordable Housing Project Investments | $ 405
Other Liabilities [Member] |
Variable Interest Entity [Line Items] |
Qualified Affordable Housing Project Investments, Commitment | $ 99

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