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Accumulated Other Comprehensive Income (Loss) - Components of Amounts Reclassified From Accumulated Other Comprehensive Income Loss (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Currency Translation Adjustments $ (25)      
Derivative Financial Instruments (8) 22 (35)
Defined Benefit Plans (7) (4) (6)
Total (40) 18 (41)
Revenue [Member]
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Currency Translation Adjustments         
Derivative Financial Instruments (16) 6 (11)
Defined Benefit Plans         
Total (16) 6 (11)
Cost of revenue [Member]
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Currency Translation Adjustments         
Derivative Financial Instruments 6 26 (38)
Defined Benefit Plans         
Total 6 26 (38)
Selling, general, and administrative [Member]
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Currency Translation Adjustments         
Derivative Financial Instruments         
Defined Benefit Plans (8) (6) (7)
Total (8) (6) (7)
Other income (expense), net [Member]
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Currency Translation Adjustments (25)      
Derivative Financial Instruments         
Defined Benefit Plans         
Total (25)      
Tax effect [Member]
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Currency Translation Adjustments         
Derivative Financial Instruments 2 (10) 14
Defined Benefit Plans 1 2 1
Total $ 3 $ (8) $ 15