Fair Value Derivative Contracts on Gross Basis by Type of Contract (Detail) (Diesel fuel forward contracts, USD $) In Millions, unless otherwise specified	Feb. 02, 2013 Derivatives Designated as Hedging Instruments Current Assets	Jan. 28, 2012 Derivatives Designated as Hedging Instruments Current Liabilities	Feb. 02, 2013 Derivatives Designated as Non-Hedging Instruments Current Assets
Derivative [Line Items]
Fair value of derivative asset	$ 4		$ 2
Fair value of derivative liability		$ 2

Fair value as of the balance sheet date of all foreign currency derivative liabilities designated as cash flow hedging instruments.

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=7476318&loc=SL5624163-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant