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Fair Value Measurements and Concentrations of Credit Risk (Company Non-Financial Assets Measured On A Recurring Basis) (Details) - USD ($) $ in Millions | Jan. 28, 2017 | Jan. 30, 2016
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Long-lived assets held and used | $ 147 | $ 53
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Long-lived assets held and used | 0 | 0
Significant Observable Inputs (Level 2) [Member] |  |
Long-lived assets held and used | 0 | 0
Significant Unobservable Inputs (Level 3) [Member] |  |
Long-lived assets held and used | $ 147 | $ 53

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- Definition Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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