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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, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Non-current liability $ 667 $ 504
Termination and Long Service Arrangements [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Beginning of year 295 323
Current service cost 20 15
Interest cost 8 8
Actuarial losses and changes in actuarial assumptions 15 2
Benefits paid (11) (12)
Acquisition 16  
Divestiture   (4)
Foreign exchange (16) (37)
Ending funded status 327 295
Current liability 8 8
Non-current liability 319 287
Net amount 327 295
Unrecognized actuarial losses (84) (69)
Current service cost 20 15
Interest cost 8 8
Actuarial losses 1 18
Net periodic benefit cost $ 29 $ 41