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Retirement Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Cost	$ 68	$ 67	$ 64
Nonqualified Retirement Plan Benefit Obligation, Balance Beginning of Year	258	274
Non-Qualified Plan, Contributions by Plan Participants	9	14
Non-Qualified Plan, Contributions by Employer	9	14
Non-Qualified Plan, Interest Cost	11	12
Non-Qualified Plan, Benefits Paid	(18)	(56)
Nonqualified Retirement Plan Benefit Obligation, Balance End of Year	269	258	274
Non-Qualified Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Expense related to the Non-Qualified Plan	$ 20	$ 26	$ 30

X

- Definition

Amount of liability, recognized in statement of financial position, for non-qualified retirement plan obligations.

+ References

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- Definition

Amount of payments to participants of non-qualified retirement plan which decreases the total company obligation.

+ References

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- Definition

Amount of contributions made by an employer to a non-qualified retirement plan.

+ References

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- Definition

Amount of cost recognized for passage of time related to a non-qualified retirement plan.

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- Definition

Amount of contributions made by participants to a non-qualified retirement plan.

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of cost (reversal of cost) for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(4))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(2))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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