v3.25.3
Cover - shares
 9 Months Ended
Sep. 30, 2025
Oct. 30, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2025  
Document Transition Report false  
Entity File Number 001-42486  
Registrant Name VENTURE GLOBAL, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 95-3539083  
Entity Address, Address Line One 1001 19th Street North, Suite 1500  
Entity Address, City or Town Arlington  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 22209  
City Area Code 202  
Local Phone Number 759-6740  
Title of 12(b) Security Class A common stock, $ 0.01 par value  
Trading Symbol VG  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Central Index Key 0002007855  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Class A common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   479,506,138
Class B common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,968,604,458