Derivatives and Hedging Activities - Summary of Information About CVA and FVA (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
CVA, net of hedges	$ (143)	$ (289)	$ 371
FVA, net of hedges	173	485	(194)
Total	$ 30	$ 196	$ 177

This item represents the estimated gains or losses, including hedges, included in earnings attributable to the impact of changes in credit exposure and credit spreads on derivative contracts (including derivative assets and liabilities and related hedges).

No definition available.

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