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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
May 02, 2020 | Jan. 30, 2021 | Feb. 01, 2020 | Feb. 02, 2019
Finite And Indefinite Lived Intangible Asset [Line Items] |  |  |  |
Goodwill impairment, COVID-19 |  | $ 3,080 |  |
Intangible amortization expense |  | 2 | $ 3 | $ 10
Capitalized Computer Software, Amortization |  | 268 | 285 | $ 296
Capitalized Computer Software, Gross |  | $ 1,136 | $ 1,262 |
Tradenames [Member] |  |  |  |
Finite And Indefinite Lived Intangible Asset [Line Items] |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 20 years |  |
Computer Software, Intangible Asset [Member] |  |  |  |
Finite And Indefinite Lived Intangible Asset [Line Items] |  |  |  |
Capitalized Computer Software, Gross |  | $ 65 |  |
Macy's Reporting Unit |  |  |  |
Finite And Indefinite Lived Intangible Asset [Line Items] |  |  |  |
Goodwill impairment, COVID-19 | $ 2,982 | 2,982 |  |
Bluemercury Reporting Unit |  |  |  |
Finite And Indefinite Lived Intangible Asset [Line Items] |  |  |  |
Goodwill impairment, COVID-19 | $ 98 | $ 98 |  |

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- Definition Finite and indefinite lived intangible asset. + References No definition available. + Details
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- Definition Unusual or Infrequent Items, or Both, Goodwill Impairment + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Amount of expense for amortization of capitalized computer software costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 + Details
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- Definition Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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