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Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Jan. 31, 2015
|
Feb. 01, 2014
|
Feb. 02, 2013
|
|
| Federal income tax statutory rate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |
| Net change in the valuation allowance | $ (1)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | $ 16us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | |
| Federal net operating loss carryforwards | 0us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic | ||
| State net operating loss carryforwards | 595us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | ||
| State credit carryforwards | 29us-gaap_TaxCreditCarryforwardAmount | ||
| Unrecognized tax benefits that would impact effective income tax rate | 112us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate | 123us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate | |
| Charges to income tax expense for federal, state and local interest and penalties | (3)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | 9us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | (10)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense |
| Accrual for payment of federal, state and local interest and penalties | 52us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued | 63us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued | |
| Other Liabilities [Member] | |||
| Accrual for payment of federal, state and local interest and penalties |
49us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember |
||
| Current Income Taxes [Member] | |||
| Accrual for payment of federal, state and local interest and penalties |
$ 3us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued / us-gaap_BalanceSheetLocationAxis = m_CurrentIncomeTaxesMember |
||
| Maximum [Member] | |||
| Operating Loss Carryforwards, Expiration Dates | Dec. 31, 2034 | ||
| Minimum [Member] | |||
| Operating Loss Carryforwards, Expiration Dates | Dec. 31, 2015 | ||
| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
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- Definition
Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of interest expense accrued for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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- Details
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- Details
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- Details
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