Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v2.4.1.9
Related Party Transactions (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Related Party Transactions      
Expenses recognized $ 35us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty $ 14us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty $ 13us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Long-term debt held 3,149us-gaap_LongTermDebt 3,694us-gaap_LongTermDebt  
The Sponsors      
Related Party Transactions      
Percentage owned by related party 70.00%mik_PercentageOfOwnershipInterestHeldByRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_BainCapitalPartnersLLCAndTheBlackstoneGroupMember
   
Annual management fees 12us-gaap_RelatedPartyTransactionAmountsOfTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_BainCapitalPartnersLLCAndTheBlackstoneGroupMember
   
The Blackstone Group | Restated Term Loan Credit Facility      
Related Party Transactions      
Long-term debt held 50us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
   
The Blackstone Group | Store Inventory Count Services      
Related Party Transactions      
Expenses recognized 6us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_StoreInventoryCountServicesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
6us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_StoreInventoryCountServicesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
6us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_StoreInventoryCountServicesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
The Blackstone Group | Candy Type Items      
Related Party Transactions      
Expenses recognized 26us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_CandyTypeItemsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
24us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_CandyTypeItemsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
24us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_CandyTypeItemsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
The Blackstone Group | Hospitality Services      
Related Party Transactions      
Expenses recognized 1us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_HospitalityServicesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
  1us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_HospitalityServicesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
The Blackstone Group | Lease Services      
Related Party Transactions      
Expenses recognized 3us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_LeaseServicesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
4us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_LeaseServicesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
5us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= mik_LeaseServicesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_TheBlackstoneGroupMember
Highfields Capital Management LP      
Related Party Transactions      
Annual management fees 1us-gaap_RelatedPartyTransactionAmountsOfTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_HighfieldsCapitalManagementLPMember
   
Sponsors and Highfields Capital Management LP      
Related Party Transactions      
Termination fee $ 30us-gaap_LossOnContractTermination
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mik_SponsorsAndHighfieldsCapitalManagementLpMember