Goodwill (Narrative) (Details) - USD ($) $ in Millions	Oct. 30, 2021	Sep. 18, 2021	Jan. 30, 2021	[1]	Oct. 31, 2020
Business Combination Segment Allocation [Line Items]
Goodwill	$ 651		$ 159		$ 158
WSS [Member]
Business Combination Segment Allocation [Line Items]
Goodwill	$ 494	$ 494

[1] The balance sheet at January 30, 2021 has been derived from the previously reported audited consolidated financial statements at that date, but does not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. For further information, refer to the consolidated financial statements and footnotes thereto included in Foot Locker, Inc.’s Annual Report on Form 10-K for the year ended January 30, 2021.