Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Derivative contracts maturity period	2015-07
Derivatives Designated as Hedging Instruments | Forward foreign exchange contracts
Derivative [Line Items]
Notional value of contracts outstanding	$ 71		$ 71
Changes in the fair value of the contracts	(1)	1	0	0
Derivatives Designated as Non-Hedging Instruments | Forward foreign exchange contracts
Derivative [Line Items]
Notional value of contracts outstanding	18		18
Derivative contracts maturity period	2014-12
Changes in the fair value of the contracts	1	0	0	0
Derivatives Designated as Non-Hedging Instruments | Foreign currency option contracts
Derivative [Line Items]
Notional value of contracts outstanding	$ 26		$ 26
Derivative contracts maturity period	2014-10