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Fair Value Measurements and Concentrations of Credit Risk (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Jan. 30, 2021 | Feb. 01, 2020
Fair Value By Fair Value Hierarchy Level Extensible List [Abstract] |  |
Long-Lived Assets | $ 295 | $ 326
Long-lived assets held and used | 95 | 129
Impairments of properties held and used | 200 | 197
Goodwill | 828 | 3,908
Goodwill, fair value amount | 828 | $ 0
Goodwill impairment charges | $ 3,080 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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