Cash, Cash Equivalents, and Restricted Cash (Reconciliation of Cash and Cash Equivalents) (Details) - USD ($) $ in Millions	Jul. 31, 2021	Jan. 30, 2021		Aug. 01, 2020	Feb. 01, 2020
Restricted Cash [Abstract]
Cash and cash equivalents	$ 1,845	$ 1,680	[1]	$ 1,373
Restricted cash included in other current assets	7			7
Restricted cash included in other non-current assets	29			30
Cash, cash equivalents, and restricted cash	$ 1,881	$ 1,718		$ 1,410	$ 942

[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.