v3.20.1
Document and Entity Information Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Feb. 01, 2020
Mar. 20, 2020
Aug. 03, 2019
Document Information [Line Items]      
Title of 12(b) Security Class A Common Stock    
Entity Tax Identification Number 20-2733559    
Entity Address, Address Line One 625 Westport Parkway    
Entity Address, Postal Zip Code 76051    
Security Exchange Name NYSE    
Entity Incorporation, State or Country Code DE    
Entity Address, City or Town Grapevine,    
Entity Address, State or Province TX    
Local Phone Number 424-2000    
Entity File Number 1-32637    
Document Type 10-K    
Document Annual Report true    
Amendment Flag false    
Document Period End Date Feb. 01, 2020    
Document Transition Report false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Trading Symbol GME    
Entity Registrant Name GameStop Corp.    
City Area Code 817    
Entity Central Index Key 0001326380    
Current Fiscal Year End Date --02-01    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Voluntary Filers No    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Common Stock, Shares Outstanding   64,457,992  
Entity Public Float     $ 330.2