v2.4.1.9

Accounts Payable and Accrued Liabilities (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 31, 2015 | Feb. 01, 2014 | Feb. 02, 2013
Accounts Payable and Accrued Liabilities, Current [Abstract] |  |  |
Adjustments to reserve for sales returns | $ 8 m_AdjustmentsToReserveForSalesReturns | $ 4 m_AdjustmentsToReserveForSalesReturns | $ 5 m_AdjustmentsToReserveForSalesReturns
Workers compensation and general liability reserves covered by deposits and receivables | $ 111 m_WorkersCompensationAndGeneralLiabilityReservesCoveredByDepositsAndReceivables | $ 107 m_WorkersCompensationAndGeneralLiabilityReservesCoveredByDepositsAndReceivables |

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- Definition Adjustments to Reserve for Sales Returns + References No definition available. + Details
Name: | m_AdjustmentsToReserveForSalesReturns
Namespace Prefix: | m_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Workers compensation and general liability reserves covered by deposits and receivables + References No definition available. + Details
Name: | m_WorkersCompensationAndGeneralLiabilityReservesCoveredByDepositsAndReceivables
Namespace Prefix: | m_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration