Project-to-Date and Estimated Future Restructuring Costs (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended		27 Months Ended	33 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Mar. 31, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 20	$ 6	$ 11	$ 30	$ 26	$ 41
Expense Recognized							73	99
Future Cost to Complete					32
LVD
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					7
Expense Recognized							23	30
Future Cost to Complete					11
Power Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					1
Expense Recognized							12	13
Future Cost to Complete					4
Commercial Vehicle
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					15
Expense Recognized							22	37
Future Cost to Complete					9
Off-Highway
Restructuring Cost and Reserve [Line Items]
Expense Recognized							8	8
Future Cost to Complete					2
Structures
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					1
Expense Recognized							2	3
Future Cost to Complete					5
Corporate and Other
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					2
Expense Recognized							6	8
Future Cost to Complete					$ 1