v3.26.1
Cover - shares
6 Months Ended
Jun. 30, 2026
Jul. 27, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-38518  
Entity Registrant Name Vertiv Holdings Co  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 81-2376902  
Entity Address, Address Line One 505 N. Cleveland Ave.  
Entity Address, City or Town Westerville  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43082  
City Area Code 614  
Local Phone Number 888-0246  
Title of 12(b) Security Class A common stock, $0.0001 par value per share  
Trading Symbol VRT  
Security Exchange Name NYSE  
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 Common Stock, Shares Outstanding   384,988,173
Central Index Key 0001674101  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31  
Amendment Flag false