Segment Reporting - Balance Sheet Metrics Under ASC 280 Footnotes (Detail) - Waterworks - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jul. 29, 2023	Jan. 28, 2023	Feb. 02, 2019	Jan. 28, 2017
Segment Reporting Information
Goodwill impairment			$ 51	$ 51
Tradename impairment	$ 35	$ 35

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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