Accounts Payable and Accrued Liabilities - Narrative (Details) - USD ($) $ in Millions	Feb. 03, 2024	Jan. 28, 2023
Accounts Payable and Accrued Liabilities, Current [Abstract]
Workers compensation and general liability reserves covered by deposits and receivables	$ 106	$ 102

Workers compensation and general liability reserves covered by deposits and receivables

No definition available.

Name:	m_WorkersCompensationAndGeneralLiabilityReservesCoveredByDepositsAndReceivables
Namespace Prefix:	m_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant