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Long-Term Employee Benefit Liabilities - Company's Termination and Long Service Arrangements (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Long-term employee benefit liabilities $ 504 $ 559
Termination and Long Service Arrangements [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Beginning of year 323 336
Current service cost 15 20
Interest cost 8 11
Actuarial losses and changes in actuarial assumptions 2 15
Benefits paid (12) (17)
Divestiture (4)  
Foreign exchange (37) (40)
Ending funded status 295 323
Current liability 8 10
Long-term employee benefit liabilities 287 313
Net amount 295 323
Unrecognized actuarial losses (69) (81)
Current service cost 15 20
Interest cost 8 11
Actuarial losses 18 16
Net periodic benefit cost $ 41 $ 47