2.4.0.8139 - Disclosure - Income Taxes - Additional Information (Detail)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$eol_PE674987--1310-Q0009_STD_91_20130803_0http://www.sec.gov/CIK0001326380duration2013-05-05T00:00:002013-08-03T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$eol_PE674987--1310-Q0009_STD_182_20130803_0http://www.sec.gov/CIK0001326380duration2013-02-03T00:00:002013-08-03T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3gme_IncomeTaxesLineItemsgme_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse02false 4us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthoritiesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse85000008.5USD$falsetruefalse2truefalsefalse1790000017.9USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 false2falseIncome Taxes - Additional Information (Detail) (USD $)HundredThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.gamestop.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation22