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Variable Interest Entities (Narrative) (Details)
9 Months Ended
Sep. 30, 2023
limitedLiabilityCompany
fund
limitedPartnership
Variable Interest Entity, Real Estate Investments, Commercial Real Estate  
Variable Interest Entity [Line Items]  
Variable interest entities, number of consolidated variable interest entities 1
Variable Interest Entity, Real Estate Limited Liability Companies  
Variable Interest Entity [Line Items]  
Variable interest entities, number of consolidated variable interest entities 2
Variable Interest Entity, Limited Partnership Funds  
Variable Interest Entity [Line Items]  
Variable interest entities, number of consolidated variable interest entities | limitedPartnership 2
Variable Interest Entity, Limited Partnership Funds, Infrastructure Credit Assets  
Variable Interest Entity [Line Items]  
Variable interest entities, number of consolidated variable interest entities | fund 1
Variable Interest Entity, Limited Liability Company  
Variable Interest Entity [Line Items]  
Variable interest entities, number of consolidated variable interest entities 1