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Employee Benefit Plans Schedule of Pension and Postemployment Benefit Costs (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Postemployment      
Service cost $ 6 $ 6 $ 4
Interest cost 1 1 1
Amortization of actuarial loss (gain) 1 0 (1)
Amortization of prior service cost (credit) 2 0 0
Divestiture (1)    
Total costs 9 7 4
Foreign Pension Plan      
Pension      
Service cost 8 8 9
Interest cost 3 3 4
Expected return on plan assets (2) (2) (2)
Settlement charge 1 1 1
Amortization of actuarial loss (gain) 1 2 2
Amortization of prior service cost (credit) 0 0 (1)
Divestiture (2)    
Total costs $ 9 $ 12 $ 13