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v3.23.1

Accounts Payable and Accrued Liabilities (Narrative) (Details) - USD ($) $ in Millions | Jan. 28, 2023 | Jan. 29, 2022
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Accounts Payable and Accrued Liabilities, Current [Abstract] |  |
Workers compensation and general liability reserves covered by deposits and receivables | $ 102 | $ 102

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- 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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- References No definition available. + Details
Name: | us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration