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Long-Term Employee Benefit Liabilities - Schedule of Company's Defined Benefit Pension Plans (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Non-current asset $ (21) $ (17)
Non-current liability 667 504
Pension Plan, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Beginning of year 493 536
Current service cost 14 12
Interest cost 21 18
Actuarial losses (gains) and changes in actuarial assumptions 28 (18)
Benefits paid (22) (18)
Benefits paid - settlements (32)  
Acquisition 129 1
Gain on settlement (5)  
Foreign exchange (2) (38)
End of year 624 493
Beginning of year 326 347
Return on plan assets 22 7
Employer contributions 19 19
Benefits paid (17) (18)
Benefits paid - settlements (32)  
Acquisition 8  
Foreign exchange 4 (29)
End of year 330 326
Ending funded status 294 167
Non-current asset (21) (17)
Current liability 2 3
Non-current liability 313 181
Net amount 294 167
Unrecognized actuarial losses (144) (138)
Current service cost 14 12
Interest cost 21 18
Return on plan assets (20) (20)
Benefits paid - settlements 13  
Actuarial losses 3 4
Net periodic benefit cost $ 31 $ 14