Goodwill And Other Intangible Assets (Narrative) (Detail) $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) reporting_unit	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Indefinite-lived Intangible Assets [Line Items]
Impairment				$ 94	$ 120
Number Of Reportable Units With Goodwill | reporting_unit				9
Amortization expense				$ 59	49	$ 47
Customer Relationships [Member] | Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Useful lives of intangible assets				24 years
Customer Relationships [Member] | Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Useful lives of intangible assets				2 years
Definite-Lived Intangible Assets [Member]
Indefinite-lived Intangible Assets [Line Items]
Amortization expense				$ 59	49	$ 47
Definite-Lived Intangible Assets [Member] | Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Useful lives of intangible assets				15 years
Definite-Lived Intangible Assets [Member] | Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Useful lives of intangible assets				9 years
DZV Bearings [Member]
Indefinite-lived Intangible Assets [Line Items]
Business Acquisition Purchase Price Allocations Goodwill Amount					6
Indefinite-lived Intangible Assets, Purchase Accounting Adjustments					2
Finite-lived Intangible Assets Acquired					1
Powertrain [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment				$ 44	0
Motorparts [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment charges	$ 7
Impairment		$ 56	$ (6)	$ 50	$ 120