Derivative Instruments Changes in Fair Value Hedges on Income (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 03, 2018	Jan. 28, 2017
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax loss recognized in OCI	$ (14)	$ (14)
Interest Rate Swap [Member] \| Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate swap loss	(18)	(12)
Long-term debt gain	18	12
Net impact	0	0
Foreign Exchange Forward [Member] \| Selling, General and Administrative Expenses [Member] \| Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss recognized within selling, general and administrative expenses	$ (3)	$ (3)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959

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Amount of increase in the fair value of derivatives recognized in the income statement.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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