Segment Information - Geographic Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Geographic Information
Net sales	$ 7,126	$ 6,840	$ 6,583
Property, plant and equipment	1,582	1,431
Caribbean, Central and South America
Geographic Information
Net sales	2,744	2,792	2,753
Africa
Geographic Information
Net sales	2,099	1,859	1,668
United States
Geographic Information
Net sales	1,536	1,447	1,408
Property, plant and equipment	1,053	899
Singapore
Geographic Information
Property, plant and equipment	155	139
Pacific Basin and Far East
Geographic Information
Net sales	435	370	381
Canada/Mexico
Geographic Information
Net sales	202	308	255
Europe
Geographic Information
Net sales	101	52	100
Dominican Republic
Geographic Information
Property, plant and equipment	109	103
Senegal
Geographic Information
Property, plant and equipment	42	43
Zambia
Geographic Information
Property, plant and equipment	25	38
Argentina
Geographic Information
Property, plant and equipment	59	59
Ivory Coast
Geographic Information
Property, plant and equipment	34	33
All Other
Geographic Information
Net sales	9	12	$ 18
Property, plant and equipment	$ 105	$ 117