XML 53 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2020
May 01, 2020
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Trading Symbol G  
Entity Registrant Name GENPACT LTD  
Entity Central Index Key 0001398659  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   190,423,868
Entity Shell Company false  
Entity Incorporation, State or Country Code D0  
Title of 12(b) Security Common shares, par value $0.01 per share  
Security Exchange Name NYSE  
Entity Interactive Data Current Yes  
Entity Current Reporting Status Yes  
Entity File Number 001-33626  
Entity Tax Identification Number 98-0533350  
Entity Address, Address Line One Victoria Place, 5th Floor  
Entity Address, Address Line Two 31 Victoria Street  
Entity Address, City or Town Hamilton  
Entity Address, Country BM  
Entity Address, Postal Zip Code HM 10  
City Area Code 441  
Local Phone Number 294-8000  
Document Quarterly Report true  
Document Transition Report false