XML 69 R41.htm IDEA: XBRL DOCUMENT v3.3.1.900
Financial Instruments - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2015
Nov. 01, 2014
Oct. 31, 2015
Nov. 01, 2014
Derivatives designated as hedging instruments        
Derivative [Line Items]        
Increase Decrease In Fair Value Of Hedge Positions $ 2 $ (1) $ 1 $ (1)
Derivatives designated as hedging instruments | Forward foreign exchange contracts        
Derivative [Line Items]        
Notional value of contracts outstanding 93   $ 93  
Derivative contracts maturity date     2017-01  
Amount Of Hedge Loss Included in AOCL     $ 2  
Derivatives not designated as hedging instruments | Forward foreign exchange contracts        
Derivative [Line Items]        
Notional value of contracts outstanding 15   $ 15  
Derivative contracts maturity date     2015-12  
Fair Value, Option, Changes in Fair Value, Gain (Loss) (3)   $ (1) 1
Derivatives not designated as hedging instruments | Diesel fuel forward and option contracts        
Derivative [Line Items]        
Notional value of contracts outstanding $ 1   $ 1  
Derivative contracts maturity date     2016-05  
Derivatives not designated as hedging instruments | Foreign currency option contracts        
Derivative [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss)   $ 1   $ 1