Restructuring of Operations - Additional Information (Details) $ in Millions		12 Months Ended
	Dec. 31, 2018 employee	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring expense		$ 25	$ 14	$ 36
Restructuring reversal		(7)	(8)	(2)
Estimated reduction of employees | employee	300
Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expense			8	33
Restructuring reversal		(7)	(8)	(2)
Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expense			6	3
Restructuring reversal
Off-Highway Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expense			14
Restructuring reversal		$ 7	$ 8