XML 14 R1.htm IDEA: XBRL DOCUMENT v3.23.1
Cover - shares
 3 Months Ended
Mar. 31, 2023
May 03, 2023
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2023  
Document Transition Report false  
Entity File Number 001-41379  
Entity Registrant Name DRAFTKINGS INC.  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 87-2764212  
Entity Address, Address Line One 222 Berkeley Street  
Entity Address, Address Line Two 5th Floor  
Entity Address, City or Town Boston  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02116  
City Area Code 617  
Local Phone Number 986-6744  
Title of 12(b) Security Class A Common Stock, $0.0001 par value  
Trading Symbol DKNG  
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 0001883685  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q1  
Class A Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   461,865,825
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   393,013,951