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Commitments and Contingent Liabilities Variable Interest Entities (Details)
$ in Millions
Sep. 30, 2024
USD ($)
Variable Interest Entity [Line Items]  
Investment, Proportional Amortization Method, Elected, Amount Other Assets
Other Liabilities [Member]  
Variable Interest Entity [Line Items]  
Investment Program, Proportional Amortization Method, Elected, Commitment $ 106