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Variable Interest Entities - Loans Sold to Third-Party Sponsored Securitization Entities (Details) - Nonconsolidated entities - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Summary of loan sale activities    
Carrying value of loans sold $ 2,698 $ 23,668
Proceeds received from loan sales as cash 7 9
Proceeds from loans sales as securities 2,662 23,258
Total proceeds received from loan sales 2,669 23,267
Gains/(losses) on loan sales $ 0 $ 0