Supplementary Information - Consolidated Statements of Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other income, net:
Brazil tax matter	$ 22
Insurance settlement			$ 9
Value-added tax recovery		$ 5	6
Other	(3)	5	3
Other income - net	19	10	18
Financing costs, net:
Interest expense, net of amounts capitalized	84	81	79
Interest income	(7)	(9)	(11)
Foreign currency transaction losses	4	14	5
Financing Costs, Net	81	86	73
Interest capitalized	$ 5	$ 3	$ 4