Regulation and Capital Adequacy - Leverage Ratios (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Jun. 30, 2021 |
Dec. 31, 2020 |
|
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
| Tier 1 capital | $ 98,514 | $ 92,730 |
| Average total assets | 1,358,068 | 1,152,785 |
| Deductions from Tier 1 capital | (5,003) | (4,948) |
| Average adjusted total assets | 1,353,065 | 1,147,837 |
| Impact of SLR temporary amendment | (202,748) | |
| Average off-balance-sheet exposures | 424,376 | 387,848 |
| Total leverage exposure | $ 1,777,441 | $ 1,332,937 |
| Tier 1 leverage ratio | 7.30% | 8.10% |
| SLR | 0.055 | 0.070 |
| GS Bank USA [Member] | ||
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
| Tier 1 capital | $ 32,593 | $ 30,656 |
| Average adjusted total assets | 306,095 | 283,869 |
| Total leverage exposure | $ 512,063 | $ 343,198 |
| Tier 1 leverage ratio | 10.60% | 10.80% |
| SLR | 0.064 | 0.089 |