v3.6.0.2
Property, Plant and Equipment, Net - Additional Information (Detail) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Gross $ 4,666 $ 5,505
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Gross $ 111 $ 160