v3.26.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2026
Apr. 27, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-39540  
Entity Registrant Name Palantir Technologies Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 68-0551851  
Entity Address, Address Line One 19505 Biscayne Blvd., Suite 2350  
Entity Address, City or Town Aventura  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33180  
City Area Code (720)  
Local Phone Number 358-3679  
Title of 12(b) Security Class A Common Stock, par value $0.001 per share  
Trading Symbol PLTR  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001321655  
Amendment Flag false  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31  
Class A Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,296,071,334
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   100,235,643
Class F Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,005,000