| Cover | Nov. 07, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 07, 2022 |
| Entity Registrant Name | Palantir Technologies Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39540 |
| Entity Tax Identification Number | 68-0551851 |
| Entity Address, Address Line One | 1200 17th Street, Floor 15 |
| Entity Address, City or Town | Denver |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80202 |
| City Area Code | 720 |
| Local Phone Number | 358-3679 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A Common Stock, par value $0.001 per share |
| Trading Symbol | PLTR |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001321655 |
| Amendment Flag | false |
| Entity Addresses [Line Items] | |
| Entity Address, Address Line One | 1200 17th Street, Floor 15 |
| Entity Address, City or Town | Denver |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80202 |
| Former Address | |
| Cover [Abstract] | |
| Entity Address, Address Line One | 1555 Blake Street, Suite 250 |
| Entity Address, City or Town | Denver |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80202 |
| Entity Addresses [Line Items] | |
| Entity Address, Address Line One | 1555 Blake Street, Suite 250 |
| Entity Address, City or Town | Denver |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80202 |
