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Securities Financing Agreements, Collateral and Restricted Cash - Collateral (Details) - USD ($)
$ in Billions
6 Months Ended 12 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Securities Financing Agreements, Collateral and Restricted Cash [Abstract]    
Securities held as collateral, fair value $ 857.1 $ 827.6
Securities received as collateral, amount re-pledged and sold $ 844.9 $ 764.1