XML 13 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2018
Mar. 11, 2019
Document Information [Line Items]    
Document Type 10-K  
Amendment Flag false  
Document Period End Date Dec. 31, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus FY  
Trading Symbol GSAH  
Entity Registrant Name GS ACQUISITION HOLDINGS CORP  
Entity Central Index Key 0001674101  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company true  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Public Float $ 676,200,000  
Common Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   69,000,000
Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   17,250,000