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Debt (Derivatives) (Narrative) (Details) - USD ($) $ in Millions | Jan. 28, 2018 | Jan. 29, 2017
--- | --- | ---
Cross Currency Swap [Member] |  |
Derivative [Line Items] |  |
Notional amount of derivative | $ 626 | $ 626
Cross Currency Swap [Member] | Other Assets [Member] |  |
Derivative [Line Items] |  |
Asset fair value of cash flow hedge | 233 | 258
Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Notional amount of derivative | 1,250 | $ 1,000
Net Investment Hedging [Member] |  |
Derivative [Line Items] |  |
Notional amount of derivative | $ 300 |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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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. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of all foreign currency derivative assets designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 + Details
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- Details
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