2.4.0.8136 - Disclosure - Fair Value Measurements and Financial Instruments - Additional Information (Detail)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$eol_PE674987--1310-Q0009_STD_0_20130803_0http://www.sec.gov/CIK0001326380instant2013-08-03T00:00:000001-01-01T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$eol_PE674987--1310-Q0009_STD_0_20120728_0http://www.sec.gov/CIK0001326380instant2012-07-28T00:00:000001-01-01T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3gme_FairValueOfFinancialInstrumentsLineItemsgme_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse02false 4gme_NotionalAmountOfForeignCurrencyDerivativesGrossgme_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse692300000692.3USD$falsetruefalse2truefalsefalse576400000576.4USD$falsetruefalsexbrli:monetaryItemTypemonetaryNotional Amount of Foreign Currency Derivatives, GrossNo definition available.false23false 4gme_NotionalAmountOfForeignCurrencyDerivativesNetgme_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse6050000060.5USD$falsetruefalse2truefalsefalse9150000091.5USD$falsetruefalsexbrli:monetaryItemTypemonetaryNotional Amount of Foreign Currency Derivatives, NetNo definition available.false2falseFair Value Measurements and Financial Instruments - Additional Information (Detail) (USD $)HundredThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.gamestop.com/taxonomy/role/DisclosureFairValueMeasurementsAndFinancialInstrumentsAdditionalInformation23