Summary of Accounting Policies - Net Carrying Amount of Goodwill (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Balance, beginning		$ 57	$ 60
Translation adjustments		3	(3)
Goodwill Impairment Charge	$ (11)	(11)	0	$ 0
Balance, ending	49	49	57	60
Clean Air Division | North America
Goodwill [Roll Forward]
Balance, beginning		14	14
Translation adjustments		0	0
Goodwill Impairment Charge		0
Balance, ending	14	14	14	14
Clean Air Division | Europe and South America
Goodwill [Roll Forward]
Balance, beginning		11	11
Translation adjustments		1	0
Goodwill Impairment Charge		0
Balance, ending	12	12	11	11
Clean Air Division | Asia Pacific
Goodwill [Roll Forward]
Balance, beginning		0	0
Translation adjustments		0	0
Goodwill Impairment Charge		0
Balance, ending	0	0	0	0
Ride Performance Division | North America
Goodwill [Roll Forward]
Balance, beginning		10	10
Translation adjustments		0	0
Goodwill Impairment Charge		0
Balance, ending	10	10	10	10
Ride Performance Division | Europe and South America
Goodwill [Roll Forward]
Balance, beginning		11	11
Translation adjustments		0	(3)
Goodwill Impairment Charge		(11)
Balance, ending	0	0	11	11
Ride Performance Division | Asia Pacific
Goodwill [Roll Forward]
Balance, beginning		11	14
Translation adjustments		2	0
Goodwill Impairment Charge		0
Balance, ending	$ 13	$ 13	$ 11	$ 14