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	$ 8m_AdjustmentsToReserveForSalesReturns	$ 4m_AdjustmentsToReserveForSalesReturns	$ 5m_AdjustmentsToReserveForSalesReturns
Workers compensation and general liability reserves covered by deposits and receivables	$ 111m_WorkersCompensationAndGeneralLiabilityReservesCoveredByDepositsAndReceivables	$ 107m_WorkersCompensationAndGeneralLiabilityReservesCoveredByDepositsAndReceivables

X

- 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

X

- Details

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