Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Detail) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
Net Carrying Amount		$ 948	$ 1,009
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	1,053	1,071
Accumulated Amortization	[1]	(105)	(62)
Net Carrying Amount	[1]	$ 948	1,009
Other Intangible Assets [Member] | Process Technologies [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Useful Life		27 years
Gross Carrying Amount		$ 507	514
Accumulated Amortization		(26)	(14)
Net Carrying Amount		$ 481	500
Other Intangible Assets [Member] | Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Useful Life		12 years
Gross Carrying Amount		$ 396	401
Accumulated Amortization		(41)	(23)
Net Carrying Amount		$ 355	378
Other Intangible Assets [Member] | Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Useful Life		10 years
Gross Carrying Amount		$ 124	129
Accumulated Amortization		(35)	(23)
Net Carrying Amount		$ 89	106
Other Intangible Assets [Member] | Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Useful Life		10 years
Gross Carrying Amount		$ 26	27
Accumulated Amortization		(3)	(2)
Net Carrying Amount		$ 23	$ 25

[1] The decrease in other intangible assets during the six months ended June 30, 2019 primarily related to amortization expense of $43 million, intangible assets allocated to the disposal of APP and the impact of foreign currency translation.