Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v2.4.1.9
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Fair Value Measurements      
Impairment charges for long-lived assets   $ 2us-gaap_ImpairmentOfLongLivedAssetsHeldForUse $ 7us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Goodwill impairment charge 0us-gaap_GoodwillImpairmentLoss 0us-gaap_GoodwillImpairmentLoss  
Maximum      
Fair Value Measurements      
Impairment charges for long-lived assets 1us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
ScrapHD      
Fair Value Measurements      
Estimated fair value of business acquired     0mik_EstimatedFairValueOfBusinessAcquired
/ us-gaap_StatementBusinessSegmentsAxis
= mik_OnlineScrapbookingBusinessSegmentMember
Impairment charges for long-lived assets     7us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
/ us-gaap_StatementBusinessSegmentsAxis
= mik_OnlineScrapbookingBusinessSegmentMember
Goodwill impairment charge     $ 1us-gaap_GoodwillImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= mik_OnlineScrapbookingBusinessSegmentMember