Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Revenue Recognition
Net sales	$ 1,579	$ 1,399
Transferred at point in time | Net sales
Revenue Recognition
Concentration risk percentage	85.00%
Products
Revenue Recognition
Net sales	$ 1,291	1,125
Other
Revenue Recognition
Net sales	24	$ 25
Pork
Revenue Recognition
Net sales	466
Pork | Products
Revenue Recognition
Net sales	361
Pork | Transportation
Revenue Recognition
Net sales	4
Pork | Energy
Revenue Recognition
Net sales	93
Pork | Other
Revenue Recognition
Net sales	8
Commodity Trading and Milling
Revenue Recognition
Net sales	786
Commodity Trading and Milling | Products
Revenue Recognition
Net sales	781
Commodity Trading and Milling | Other
Revenue Recognition
Net sales	5
Marine
Revenue Recognition
Net sales	249
Marine | Transportation
Revenue Recognition
Net sales	249
Sugar
Revenue Recognition
Net sales	51
Sugar | Products
Revenue Recognition
Net sales	50
Sugar | Energy
Revenue Recognition
Net sales	1
Power
Revenue Recognition
Net sales	23
Power | Energy
Revenue Recognition
Net sales	23
All Other
Revenue Recognition
Net sales	4
All Other | Products
Revenue Recognition
Net sales	4
Segment Totals
Revenue Recognition
Net sales	1,579
Segment Totals | Products
Revenue Recognition
Net sales	1,196
Segment Totals | Transportation
Revenue Recognition
Net sales	253
Segment Totals | Energy
Revenue Recognition
Net sales	117
Segment Totals | Other
Revenue Recognition
Net sales	$ 13