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Commitments and Contingencies (Details) BRL in Millions, $ in Millions					3 Months Ended		12 Months Ended
	Jul. 16, 2014 USD ($)	Jul. 08, 2014 USD ($)	Jun. 23, 2014 USD ($)	Jun. 18, 2014 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2010 BRL	Dec. 31, 2015 USD ($)	Dec. 31, 2015 BRL	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 BRL
Loss Contingency Accrual [Roll Forward]
Raysul total loss contingency accrual							$ 24.0				BRL 96
Raysul loss contingency provision					$ 15.0	BRL 60	$ 9.0	BRL 36
Environmental contingencies
Number of environmental remediation sites world wide							137				137
Accrual for environmental loss contingencies							$ 131.0		$ 140.0
Current and long-term warranty accruals [Table]
Balance at January 1							213.0		189.0	$ 185.0
Provision							104.0		125.0	107.0
Settled							(114.0)		(120.0)	(99.0)
Other							(8.0)		19.0	(4.0)
Balance at December 31							195.0		213.0	189.0
Minimum rental commitments under noncancelable operating leases
2016							151.0
2017							116.0
2018							87.0
2019							49.0
2020							32.0
Thereafter							55.0
Total noncancelable lease commitments							490.0
Summary of Rental Expense
Rental expense							$ 225.0		$ 244.0	$ 241.0
Meritor [Member]
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period			$ 500.0
Litigation Settlement, Amount	$ 500.0
Triumph [Member]
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period				$ 147.5
Litigation Settlement, Amount		$ 147.5