Operations by Reporting Segment - Summary of Net Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operational EBITDA	$ 193	$ 142
Restructuring charges and asset impairments (Note 3)	(18)	(13)
Goodwill and intangible impairment expense, net (Note 10)	0	6
Loss on sale of equity method investment	0	(11)	$ (11)
Financing charges	(3)	(2)
Acquisition related costs	0	(4)
Legal separation costs	0	(1)
Other reconciling items to EBITDA	(4)	2
Total Operational EBITDA	168	119
Depreciation and amortization	(87)	(83)
Interest expense, net	(37)	(35)
Income tax expense	(8)	(11)
Net (loss) income	36	(10)
Restructuring charges and asset impairments	18	12
Non-service cost components associated with U.S. based funded pension plans	(3)	0
Share based compensation income	0	1
Other	1	(1)
Continuing Operations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization	(87)	(83)
Powertrain [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operational EBITDA	119	111
Restructuring charges and asset impairments (Note 3)	(12)
Motorparts [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operational EBITDA	74	$ 31
Restructuring charges and asset impairments (Note 3)	(6)
Restructuring Costs	$ (2)