Other Intangible Assets, Net (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Millions		Oct. 28, 2017	Jan. 28, 2017		Oct. 29, 2016
Intangible Assets by Major Class [Line Items]
Amortized intangible assets, Gross value	[1]	$ 156	$ 143		$ 145
Amortized intangible assets, Accum. amort.	[1]	(136)	(123)		(125)
Amortized intangible assets, Net value	[1]	20	20		20
Other intangible assets, net		45	42	[2]	43
Lease Acquisition Costs [Member]
Intangible Assets by Major Class [Line Items]
Amortized intangible assets, Gross value	[1]	129	116		118
Amortized intangible assets, Accum. amort.	[1]	(117)	(105)		(107)
Amortized intangible assets, Net value	[1]	12	11		11
Trademarks and Trade Names [Member]
Intangible Assets by Major Class [Line Items]
Amortized intangible assets, Gross value	[1]	20	20		20
Amortized intangible assets, Accum. amort.	[1]	(13)	(13)		(13)
Amortized intangible assets, Net value	[1]	7	7		7
Favorable Leases [Member]
Intangible Assets by Major Class [Line Items]
Amortized intangible assets, Gross value	[1]	7	7		7
Amortized intangible assets, Accum. amort.	[1]	(6)	(5)		(5)
Amortized intangible assets, Net value	[1]	1	2		2
Runners Point Group [Member]
Intangible Assets by Major Class [Line Items]
Indefinite life intangible assets, Net Value	[1]	$ 25	$ 22		$ 23

[1] The change in the ending balances also reflects the effect of foreign currency fluctuations due primarily to the movements of the euro in relation to the U.S. dollar

[2] The balance sheet at January 28, 2017 has been derived from the previously reported audited 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 28, 2017