Commitments and Contingencies (Details) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2010 USD ($)	Dec. 31, 2010 BRL	Dec. 31, 2011 USD ($)	Dec. 31, 2011 BRL	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)	Nov. 21, 2011	Jun. 09, 2011 USD ($)
Current and long-term warranty accruals [Table]
Balance at January 1			$ 153		$ 147	$ 165
Provision			98		99	77
Settled			(94)		(91)	(98)
Other			1		(2)	3
Balance at December 31	153		158		153	147
Minimum rental commitments under noncancelable operating leases [Abstract]
2012			146
2013			122
2014			88
2015			64
2016			51
Thereafter			79
Total noncancelable lease commitments			550
Summary of Rental Expense [Abstract]
Rental expense			194		172	177
Loss Contingency Accrual [Roll Forward]
Loss contingency provision	32	60	5	10
Total loss contingency accrual			37	70
Meritor judgment motion denial zero damages and no injuctive relief								0
Appeals accepted by Superior Court of Justice							3
Commitments and Contingencies [Abstract]
Number of sites world wide			79	79
Accrual for environmental loss contingencies	$ 71		$ 62		$ 71