| Document And Entity Information | Feb. 26, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 26, 2024 |
| Entity Registrant Name | Revolution Medicines, Inc. |
| Entity Central Index Key | 0001628171 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-39219 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 47-2029180 |
| Entity Address, Address Line One | 700 Saginaw Drive |
| Entity Address, City or Town | Redwood City |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94063 |
| City Area Code | 650 |
| Local Phone Number | 481-6801 |
| Entity Information, Former Legal or Registered Name | Not applicable |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock $0.0001 Par Value per Share |
| Trading Symbol | RVMD |
| Security Exchange Name | NASDAQ |
| Warrants [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants to purchase 0.1112 shares of common stock expiring 2026 |
| Trading Symbol | RVMDW |
| Security Exchange Name | NASDAQ |
