Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Finite Lived Intangible Assets [Line Items]
Other intangibles amortization	$ 21	$ 25	$ 65	$ 35
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Impairment charge			140
Other intangibles amortization			65
Intangible asset, impact of foreign currency translation	6		6
Amortization expense, remainder of 2019	22		22
Amortization expense, 2020	87		87
Amortization expense, 2021	70		70
Amortization expense, 2022	52		52
Amortization expense, 2023	$ 52		$ 52