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Offsetting Assets and Liabilities - Schedule of Partnership's Securities Purchased Under Agreement to Resell (Detail) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Offsetting Securities Purchased under Agreements to Resell [Abstract]    
Securities purchased under agreements to resell, Gross amounts of recognized assets $ 647 $ 437
Securities purchased under agreements to resell, Net amounts presented in the Consolidated Statements of Financial Condition 647 437
Securities purchased under agreements to resell, Gross amounts not offset in the Consolidated Statements of Financial Condition, Securities collateral (647) (437)
Securities purchased under agreements to resell, Net amount $ 0 $ 0