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Cover Page - shares
9 Months Ended
Oct. 31, 2020
Dec. 01, 2020
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Oct. 31, 2020  
Document Transition Report false  
Entity File Number 1-32637  
Entity Registrant Name GameStop Corp.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 20-2733559  
Entity Address, Address Line One 625 Westport Parkway  
Entity Address, City or Town Grapevine,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76051  
City Area Code (817)  
Local Phone Number 424-2000  
Title of 12(b) Security Class A Common Stock  
Trading Symbol GME  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   69,746,960
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001326380  
Current Fiscal Year End Date --01-30