Restructuring of Operations - Cost to Complete (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended			42 Months Ended	54 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred	$ 21			$ 48	$ 69
Restructuring reserve adjustment	(2)	(10)	(4)
Future cost to complete	13				13
Light Vehicle Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred	2			8	10
Future cost to complete	2				2
Commercial Vehicle Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred	19			28	47
Future cost to complete	11				11
Off-Highway Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred				8	7
Restructuring reserve adjustment	(1)
Future cost to complete
Power Technologies Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred	1			2	3
Future cost to complete
Discontinued operations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred				2	2
Future cost to complete