XML 22 R7.htm IDEA: XBRL DOCUMENT
v3.19.1

Consolidated Statement of Changes in Shareholders' Equity Parenthetical - $ / shares | 3 Months Ended
--- | ---
May 04, 2019 | May 05, 2018
Statement of Stockholders' Equity - Parenthetical [Abstract] |  |
Common Stock, Dividends, Per Share, Declared | $ 0.3775 | $ 0.3775

X
- Definition Statement of Stockholders' Equity - Parenthetical [Abstract] + References No definition available. + Details
Name: | m_StatementofStockholdersEquityParentheticalAbstract
Namespace Prefix: | m_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration