Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Revenue Recognition
Net sales	$ 1,543	$ 1,579
Transferred at point in time | Net sales
Revenue Recognition
Concentration risk percentage	85.00%	85.00%
Products
Revenue Recognition
Net sales	$ 1,245	$ 1,291
Other
Revenue Recognition
Net sales	29	24
Pork
Revenue Recognition
Net sales	403	466
Pork | Products
Revenue Recognition
Net sales	357	361
Pork | Transportation
Revenue Recognition
Net sales	4	4
Pork | Energy
Revenue Recognition
Net sales	34	93
Pork | Other
Revenue Recognition
Net sales	8	8
CT&M
Revenue Recognition
Net sales	829	786
CT&M | Products
Revenue Recognition
Net sales	826	781
CT&M | Other
Revenue Recognition
Net sales	3	5
Marine
Revenue Recognition
Net sales	254	249
Marine | Transportation
Revenue Recognition
Net sales	254	249
Sugar and Alcohol
Revenue Recognition
Net sales	25	51
Sugar and Alcohol | Products
Revenue Recognition
Net sales	25	50
Sugar and Alcohol | Energy
Revenue Recognition
Net sales		1
Power
Revenue Recognition
Net sales	29	23
Power | Energy
Revenue Recognition
Net sales	29	23
All Other
Revenue Recognition
Net sales	3	4
All Other | Products
Revenue Recognition
Net sales	3	4
Segment Totals
Revenue Recognition
Net sales	1,543	1,579
Segment Totals | Products
Revenue Recognition
Net sales	1,211	1,196
Segment Totals | Transportation
Revenue Recognition
Net sales	258	253
Segment Totals | Energy
Revenue Recognition
Net sales	63	117
Segment Totals | Other
Revenue Recognition
Net sales	$ 11	$ 13