Unsecured Borrowings - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2004
Debt Instrument [Line Items]
Unsecured long-term borrowings for which the firm did not elect the fair value option	$ 174,610	$ 174,610	$ 201,700
Fair value of unsecured long-term borrowings	170,270	$ 170,270	$ 209,370
Subordinated debt | Minimum
Debt Instrument [Line Items]
Subordinated debt maturities, range		2025	2025
Subordinated debt | Maximum
Debt Instrument [Line Items]
Subordinated debt maturities, range		2045	2045
Goldman Sachs Capital I
Debt Instrument [Line Items]
Junior subordinated debentures issued to Goldman Sachs Capital I (Trust)				$ 2,840
Guaranteed preferred beneficial interests issued to third parties				2,750
Common beneficial interests issued to Group Inc.				$ 85
Junior subordinated debt, outstanding par amount	968	$ 968	$ 968
Trust Preferred Securities, outstanding par amount	939	939	939
Common beneficial interests, outstanding par amount	$ 29	$ 29	$ 29
Interest rate on junior subordinated debt issued to third parties	6.345%	6.345%
Maturity date of junior subordinated debt held by certain third parties	Feb. 15, 2034