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Variable Interest Entities - Loans Sold to Third-Party Sponsored Securitization Entities (Details) - Nonconsolidated entities - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Summary of loan sale activities [Abstract]      
Carrying value of loans sold $ 48,891 $ 105,035 $ 81,153
Proceeds received from loan sales as cash 22 161 45
Proceeds from loan sales as securities 48,096 103,286 80,186
Total proceeds received from loan sales 48,118 103,447 80,231
Gains/(losses) on loan sales $ (25) $ 9 $ 6