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Other Income and Expenses, Net - Other Income and Expenses, Net (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Other Income and Expenses [Abstract]      
Research and development funding $ 65 $ 94 $ 144
Phase-out and start-up costs (8) (2) (5)
Exchange gain, net 4 5 2
Patent costs, net of reversal of unused provisions (9) (5) 3
Gain on sale of businesses and non-current assets 4 2 18
Other, net (1) 5 2
Total $ 55 $ 99 $ 164