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Long-Term Employee Benefit Liabilities - Company's Retirement Medical Benefits Plans (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Non-current liability $ 532 $ 560 $ 419
Retirement Medical Benefits Plans [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Beginning of year 41 39 36
Interest cost 2 2 2
Actuarial (gains) losses and changes in actuarial assumptions (4) 3 4
Benefits paid (2) (3) (3)
Foreign exchange (1) 0 0
Ending funded status 36 41 39
Current liability 2 2 2
Non-current liability 34 39 37
Net amount 36 41 39
Unrecognized past service costs 2 3 3
Unrecognized actuarial gains 10 8 12
Total accumulated other comprehensive income 12 11 15
Interest cost 2 2 2
Actuarial gains (2) (1) (1)
Past service cost amortization (1) 0 (1)
Net periodic benefit cost $ (1) $ 1 $ 0