| Document and Entity Information | Dec. 16, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | Rivian Automotive, Inc. / DE |
| Amendment Flag | false |
| Entity Central Index Key | 0001874178 |
| Document Type | 8-K |
| Document Period End Date | Dec. 16, 2021 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-41042 |
| Entity Tax Identification Number | 47-3544981 |
| Entity Address, Address Line One | 14600 Myford Road |
| Entity Address, City or Town | Irvine |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92606 |
| City Area Code | (888) |
| Local Phone Number | 748-4261 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Class A common stock, $0.001 par value per share |
| Trading Symbol | RIVN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
