Summary of Significant Accounting Policies - Foreign Currency (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 31, 2026	Feb. 01, 2025	Feb. 03, 2024
Selling General And Administrative Expense
Segment Reporting Information [Line Items]
Foreign currency translation loss	$ 1.1	$ 0.9	$ 2.0

The net increase or decrease in the fair value of the derivative or group of derivatives included in earnings and the aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period.

No definition available.

Name:	gme_DerivativeInstrumentsAndForeignCurrencyTransactionGainLossRecognizedInIncomeNet
Namespace Prefix:	gme_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration