Regulation and Capital Adequacy - Risk Based Capital Requirements (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
GSIB
Risk-based capital requirements
CET1 capital ratio	9.30%	8.50%
Tier 1 capital ratio	11.50%	10.50%
Total capital ratio	14.50%	13.20%
Risk-based capital ratios
Profits contributed to risk based capital ratios	160
GSIB | Prudential Regulation Authority and Financial Conduct Authority
Risk-based capital and risk-weighted assets
CET1 capital	$ 3,329	$ 3,408
Tier 1 capital	3,329	3,408
Tier 2 capital	826	826
Total capital	4,155	4,234
RWAs	$ 15,542	$ 17,196
Risk-based capital ratios
CET1 capital ratio	0.214	0.198
Tier 1 capital ratio	0.214	0.198
Total capital ratio	0.267	0.246
GSBE
Risk-based capital requirements
CET1 capital ratio	9.00%	8.70%
Tier 1 capital ratio, UK	11.10%	10.80%
Total capital ratio, UK	13.80%	13.50%
Risk-based capital ratios
Profits contributed to risk based capital ratios	116
GSBE | Amended E.U. Capital Requirements Directive and E.U. Capital Requirements Regulation
Risk-based capital and risk-weighted assets
CET1 capital	$ 8,587	$ 6,527
Tier 1 capital	8,587	6,527
Tier 2 capital	20	23
Total capital	8,607	6,550
RWAs	$ 31,440	$ 28,924
Risk-based capital ratios
CET1 capital ratio	0.273	0.226
Tier 1 capital ratio	0.273	0.226
Total capital ratio	0.274	0.226