| Document and Entity Information | Aug. 05, 2021 |
| Document Information [Line Items] | |
| Entity Registrant Name | Astra Space, Inc. |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Central Index Key | 0001814329 |
| Document Period End Date | Aug. 5, 2021 |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39426 |
| Entity Tax Identification Number | 14-1916687 |
| Entity Address, Address Line One | 1900 Skyhawk Street |
| Entity Address, City or Town | Alameda |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94501 |
| City Area Code | 866 |
| Local Phone Number | 278-7217 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Common Class A [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A common stock, par value $0.0001 per share |
| Trading Symbol | ASTR |
| Security Exchange Name | NASDAQ |
| Warrants to Purchase [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants to purchase one share of common stock, each at an exercise price of $11.50 |
| Trading Symbol | ASTRW |
| Security Exchange Name | NASDAQ |
