Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Restructuring expense	$ 14	$ 8
Merger, acquisition and divestiture expense	1	2
Other operating expense	14
Other operating income		(5)
Other expense, net	$ 29	5
Remy International Inc. [Member]
Other operating income		$ (4)