Restructuring Charges - Schedule of Restructuring-Related Activity (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 16
Charges Incurred	$ 21	$ 19	49	$ 21	$ 34
Payments			(39)
Foreign Exchange and Other			(1)
Restructuring reserve, ending balance	25	16	25	16
Severance
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			16
Charges Incurred			47	21
Payments			(37)	(5)
Foreign Exchange and Other			(1)
Restructuring reserve, ending balance	25	16	25	16
Corporate | Severance
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			2
Charges Incurred			3	3
Payments			(3)	(1)
Foreign Exchange and Other			0
Restructuring reserve, ending balance	2	2	2	2
Transportation | Operating Segments | Severance
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			9
Charges Incurred			30	12
Payments			(26)	(3)
Foreign Exchange and Other			(1)
Restructuring reserve, ending balance	12	9	12	9
Transportation | Operating Segments | Facilities
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			0
Charges Incurred			2
Payments			(2)
Foreign Exchange and Other			0
Restructuring reserve, ending balance	0	0	0	0
Logistics | Operating Segments | Severance
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			5
Charges Incurred			14	6
Payments			(8)	(1)
Foreign Exchange and Other			0
Restructuring reserve, ending balance	$ 11	$ 5	$ 11	$ 5