Cover - USD ($) $ in Billions	12 Months Ended
Cover - USD ($) $ in Billions	Jan. 31, 2026	Mar. 18, 2026	Aug. 02, 2025
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jan. 31, 2026
Current Fiscal Year End Date	--01-31
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
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction	false
Entity Shell Company	false
Entity Public Float			$ 9.0
Entity Common Stock, Shares Outstanding		448,375,157
Documents Incorporated by Reference	Portions of the definitive proxy statement of the registrant to be filed pursuant to Regulation 14A under the Securities Exchange Act of 1934, as amended, for the 2026 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K.
Amendment Flag	false
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Entity Central Index Key	0001326380
Class A Common Stock
Document Information [Line Items]
Title of 12(b) Security	Class A Common Stock
Trading Symbol	GME
Security Exchange Name	NYSE
Warrant
Document Information [Line Items]
Title of 12(b) Security	Warrants to Purchase Common Stock, par value $0.001 per share
Trading Symbol	GME WS
Security Exchange Name	NYSE