Fair Value Hierarchy - Derivatives, Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Derivative [Line Items] | ||||
| Net realized and unrealized gains (losses) on level 3 derivatives | $ (651) | $ (187) | $ (667) | $ 177 |
| Net realized gains (losses) on derivative assets and liabilities | (166) | (74) | (113) | (173) |
| Net unrealized gains/(losses) | (485) | (113) | (554) | 350 |
| Income Statement Location [Axis]: gs:MarketMakingNet | ||||
| Derivative [Line Items] | ||||
| Net realized and unrealized gains (losses) on level 3 derivatives | (656) | (186) | (659) | 175 |
| Income Statement Location [Axis]: gs:OtherPrincipalTransactions | ||||
| Derivative [Line Items] | ||||
| Net realized and unrealized gains (losses) on level 3 derivatives | $ 5 | $ (1) | $ (8) | $ 2 |