The estimated cost of reformation of the Company's pension plan in connection with the Osberg litigation.

No definition available.

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- Definition

Carrying amount of estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

Interest expense (income) directly attributable to an award in settlement of litigation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585

+ Details

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- Details

Name:	srt_LitigationCaseAxis=fl_OsbergReformanceCostMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=fl_OsbergVerseFootLockerIncMember
Namespace Prefix:
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Legal Proceedings (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Aug. 04, 2018	May 05, 2018	Nov. 03, 2018	Jun. 17, 2018	Feb. 03, 2018
Plan reformation cost				$ 13
Class counsel fees paid in connection with pension litigation				$ 97
Osberg Reformance Cost [Member]
Plan reformation cost			$ 7
Osberg V. Foot Locker, Inc [Member]
Pension litigation liability		$ 194			$ 291	$ 278
Class counsel fees paid in connection with pension litigation	$ 97
Interest		$ 6	$ 6