Basis of Presentation (Details) - USD ($) $ in Millions	Apr. 29, 2016	Jan. 29, 2016	May. 01, 2015
New Accounting Pronouncement, Early Adoption [Line Items]
Noncurrent deferred tax assets	$ 154	$ 241	$ 160
Noncurrent other assets	687	665	1,343
Long-term debt, excluding current maturities	$ 14,322	$ 11,545	10,324
New Accounting Pronouncement, Early Adoption, Effect [Member] \| Accounting Standards Update 2015-17 [Member] \| Restatement Adjustment [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Current deferred tax assets			(255)
Noncurrent deferred tax liabilities			(95)
Noncurrent deferred tax assets			160
New Accounting Pronouncement, Early Adoption, Effect [Member] \| Accounting Standards Update 2015-03 [Member] \| Restatement Adjustment [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Noncurrent other assets			(10)
Long-term debt, excluding current maturities			$ 10

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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-Name Accounting Standards Codification
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-Section 50
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