Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net (Details)

v2.4.1.9
Property and Equipment, Net (Details) (USD $)
In Millions, unless otherwise specified
Jan. 31, 2015
Feb. 01, 2014
Property and equipment    
Property and equipment, at cost $ 1,579us-gaap_PropertyPlantAndEquipmentGross $ 1,600us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization (1,193)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (1,242)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and equipment, net 386us-gaap_PropertyPlantAndEquipmentNet 358us-gaap_PropertyPlantAndEquipmentNet
Buildings and leasehold improvements    
Property and equipment    
Property and equipment, at cost 451us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= mik_BuildingsAndLeaseholdImprovementsMember
403us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= mik_BuildingsAndLeaseholdImprovementsMember
Fixtures and equipment    
Property and equipment    
Property and equipment, at cost 879us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= mik_FixturesAndEquipmentMember
884us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= mik_FixturesAndEquipmentMember
Capitalized Software Costs    
Property and equipment    
Property and equipment, at cost 221us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
277us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
Construction in Progress    
Property and equipment    
Property and equipment, at cost $ 28us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
$ 36us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember