Net Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property, plant and equipment
Gross property, plant and equipment	$ 3,030	$ 2,776
Accumulated depreciation and amortization	(1,448)	(1,345)
Net property, plant and equipment	1,582	1,431
ROU assets	92	50
Accumulated amortization	$ 1,448	1,345
Minimum
Property, plant and equipment
Useful Lives	3 years
Maximum
Property, plant and equipment
Useful Lives	30 years
Land and improvements
Property, plant and equipment
Gross property, plant and equipment	$ 268	$ 250
Land and improvements | Minimum
Property, plant and equipment
Useful Lives	3 years	3 years
Land and improvements | Maximum
Property, plant and equipment
Useful Lives	15 years	15 years
Buildings and improvements
Property, plant and equipment
Useful Lives	30 years	30 years
Gross property, plant and equipment	$ 712	$ 646
Machinery and equipment
Property, plant and equipment
Gross property, plant and equipment	$ 1,367	$ 1,360
Machinery and equipment | Minimum
Property, plant and equipment
Useful Lives	3 years	3 years
Machinery and equipment | Maximum
Property, plant and equipment
Useful Lives	20 years	20 years
Vessels and vehicles
Property, plant and equipment
Gross property, plant and equipment	$ 158	$ 147
Vessels and vehicles | Minimum
Property, plant and equipment
Useful Lives	3 years	3 years
Vessels and vehicles | Maximum
Property, plant and equipment
Useful Lives	18 years	18 years
Office furniture and fixtures
Property, plant and equipment
Useful Lives	5 years	5 years
Gross property, plant and equipment	$ 43	$ 42
Contract growers
Property, plant and equipment
Gross property, plant and equipment	$ 93	$ 44
Contract growers | Minimum
Property, plant and equipment
Useful Lives	5 years	5 years
Contract growers | Maximum
Property, plant and equipment
Useful Lives	15 years	15 years
Construction in progress
Property, plant and equipment
Gross property, plant and equipment	$ 389	$ 287
Capitalized interest	10	7
Contract growers, land and buildings
Property, plant and equipment
Accumulated depreciation and amortization	(12)	(3)
ROU assets	92	50
Accumulated amortization	$ 12	$ 3