v3.25.1
Cover
12 Months Ended
Jun. 03, 2025
Dec. 31, 2025
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Jun. 03, 2025  
Entity Registrant Name Datadog, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 27-2825503  
Entity File Number 001-39051  
Entity Address, Postal Zip Code 10018  
City Area Code 866  
Local Phone Number 329-4466  
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 $0.00001 per share  
Trading Symbol DDOG  
Security Exchange Name NASDAQ  
Entity Emerging Growth Company false  
Entity Central Index Key 0001561550  
Amendment Flag false  
Current Fiscal Year End Date   --12-31
Entity Address, Address Line One 620 8th Avenue,  
Entity Address, Address Line Two 45th Floor  
Entity Address, State or Province NY  
Entity Address, City or Town New York,