Acquisition (Schedule of Assets/Liabilities Acquired) (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]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents		$ 70
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		80
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other		10
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		116
Business Combination, Recognized Identifiable Assets Acquired, Right-of-use-assets		143
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets		220
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable		(58)
Business Combination, Recognized Identifiable Liabilities Assumed, Current Portion of Obligations Under Finance Leases		(3)
Business Combination, Recognized Identifiable Liabilities Assumed, Current Portion of Lease Obligations		(20)
Business Combination, Recognized Identifiable Liabilities Assumed, Long Term Portion of Obligations Under Finance Leases		(53)
Business Combination, Recognized Identifiable Liabilities Assumed, Long-term Lease Obligations		(134)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities		(58)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		(4)
Goodwill	$ 494	494
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Total		$ 807

[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.