Fair Value Measurements - Recurring (Details) - USD ($) $ in Millions	3 Months Ended
Oct. 29, 2016	Jan. 30, 2016	Oct. 31, 2015
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value, Level 3 Transfers out, Description	2
Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Money Market Funds [Member]
Assets
Cash and cash equivalents	$ 97	$ 51	$ 2
Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Commercial Paper [Member]
Assets
Cash and cash equivalents	0	265	108
Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Time Deposits [Member]
Assets
Cash and cash equivalents	11	306	222
Other Current Assets [Member] \| Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Money Market Funds [Member]
Assets
Other Current Assets	3	0	0
Other Current Assets [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Foreign Exchange and Other Derivative Financial Instruments [Member]
Assets
Other Current Assets	5	18	14
Other Current Assets [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Commercial Paper [Member]
Assets
Other Current Assets	60	0	0
Other Current Assets [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Time Deposits [Member]
Assets
Other Current Assets	100	79	79
Short-term Investments [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Corporate Bond Securities [Member]
Assets
Short-term investments	0	193	333
Short-term Investments [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Commercial Paper [Member]
Assets
Short-term investments	250	122	288
Short-term Investments [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Time Deposits [Member]
Assets
Short-term investments	1,527	990	1,029
Other Assets [Member] \| Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Marketable securities that fund deferred compensation [Member]
Assets
Marketable Equity Securities that Fund Deferred Compensation, Fair Value Disclosure	96	96	96
Other Assets [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Interest Rate Swap [Member]
Assets
Other Assets	13	25	10
Other Assets [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| Auction Rate Securities [Member]
Assets
Other Assets	0	2	2
Accrued Liabilities [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Foreign Exchange and Other Derivative Financial Instruments [Member]
Liabilities
Foreign Currency Contracts, Liability, Fair Value Disclosure	$ 3	$ 1	$ 0

Marketable Equity Securities that Fund Deferred Compensation, Fair Value Disclosure

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Fair value portion of other current assets

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
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Disclosures concerning the reasons for transfers out of Level 3 of the fair value hierarchy.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Trading Securities
-URI http://asc.fasb.org/extlink&oid=6526789

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Available-for-Sale Securities
-URI http://asc.fasb.org/extlink&oid=6505594

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