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Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Aug. 01, 2015	Jan. 31, 2015	Aug. 02, 2014
Assets:
Cash equivalents	$ 239	$ 429	$ 426
Derivative financial instruments	141	157	41
Deferred compensation plan assets	46	40	44
Total	426	626	511
Liabilities:
Derivative financial instruments	8	1	16
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash equivalents	96	88	157
Derivative financial instruments	0	0	0
Deferred compensation plan assets	46	40	44
Total	142	128	201
Liabilities:
Derivative financial instruments	0	0	0
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash equivalents	143	341	269
Derivative financial instruments	141	157	41
Deferred compensation plan assets	0	0	0
Total	284	498	310
Liabilities:
Derivative financial instruments	8	1	16
Fair Value, Inputs, Level 3 [Member]
Assets:
Cash equivalents	0	0	0
Derivative financial instruments	0	0	0
Deferred compensation plan assets	0	0	0
Total	0	0	0
Liabilities:
Derivative financial instruments	$ 0	$ 0	$ 0

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This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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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.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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