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Restructuring (Narrative) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 31, 2021 | Jul. 31, 2021 | Aug. 01, 2020 | May 01, 2021 | Jan. 30, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | $ 4,000,000 | $ (38,000,000) | $ 1,000,000 |  |
U.S. Operating Model [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Reserve |  |  |  | $ 0 |
Cumulative Amount |  |  |  | 41,000,000 |
Termination Benefits [Member] | Mexico Exit And Strategic Realignment [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  | $ 44,000,000 |  |  |
Restructuring Reserve |  |  |  | $ 15,000,000 | $ 124,000,000

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