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Fair Value Measurements (Summary of Fair Value Remeasurements of Property and Equipment Impairments) (Details) - Fair Value, Measurements, Nonrecurring [Member] - Level 3 [Member] - SG&A [Member] - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 02, 2019 | Nov. 03, 2018 | Nov. 02, 2019 | Nov. 03, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impairments |  | $ 10 | $ 3 | $ 21 | $ 8
Property, Plant and Equipment [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impairments |  | 9 | $ 3 | 19 | $ 8
Finite-Lived Intangible Assets [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impairments | [1] | $ 1 |  | $ 2 |
[1] | Represents activity related to operating lease assets post-adoption of ASC 842, Leases.

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