Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Amount Recorded in Income Statements for Foreign Currency Forward Contracts Not Designated as Hedges (Detail)

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DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Amount Recorded in Income Statements for Foreign Currency Forward Contracts Not Designated as Hedges (Detail) (Not Designated as Hedging Instrument, USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Income $ (13) $ (6)
Foreign exchange contracts | Revenue
    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Income 2 0
Foreign exchange contracts | Other Operating Expense
    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Income 19 2
Foreign exchange contracts | Investment Income
    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Income (22) 0
Interest rate contracts | Interest Expense
    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Income $ (12) $ (8)