Restructuring Charges And Asset Impairments - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	$ 18	$ 13
Restructuring And Related Cost Estimated Additional Charges For New Restructuring Programs	1
Restructuring And Related Cost Estimated Additional Charges For Previously Existing Restructuring Programs	5
Restructuring Charges	15	12
Impairment of assets held for sale	3	1
Powertrain [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	12
Motorparts [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	6
Restructuring Costs	2
Other Restructuring Costs	1
Other Asset Impairment Charges	3
Restructuring and Asset Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	15	12
Other Restructuring Costs	0	0
Restructuring Charges	15	12
Impairment of assets held for sale	3
Restructuring and Asset Impairments [Member] | Powertrain [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	12	6
Restructuring Costs	12	6
Other Restructuring Costs	0	0
Restructuring Charges	12	6
Impairment of assets held for sale	0
Restructuring and Asset Impairments [Member] | Motorparts [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	6	7
Restructuring Costs	3	6
Other Restructuring Costs	0	0
Restructuring Charges	3	6
Impairment of assets held for sale	3
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	13	10
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	2	$ 2
EMEA [Member] | Powertrain [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	7
North America [Member] | Powertrain [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	3
Rest Of World [Member] | Powertrain [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	1
Other Restructuring Costs	$ 1