Transactions with Affiliated Funds - Fees Earned from Affiliated Funds (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Transactions With Affiliated Funds [Abstract]
Fees earned from funds	$ 2,967	$ 3,571	$ 2,932

Management fees, advisory fees, incentive fees or overrides from nonconsolidated investment funds.

No definition available.

Name:	gs_RevenueFromAffiliatedFunds
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration