Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Revenue Recognition
Net sales	$ 1,822	$ 1,691	$ 3,365	$ 3,270
Transferred at point in time | Net sales
Revenue Recognition
Concentration risk percentage	85.00%	85.00%	85.00%	85.00%
Products
Revenue Recognition
Net sales	$ 1,513	$ 1,382	$ 2,758	$ 2,673
Other
Revenue Recognition
Net sales	34	31	63	55
Pork
Revenue Recognition
Net sales	492	442	895	908
Pork | Products
Revenue Recognition
Net sales	427	365	784	726
Pork | Transportation
Revenue Recognition
Net sales	3	4	7	8
Pork | Energy
Revenue Recognition
Net sales	53	66	87	159
Pork | Other
Revenue Recognition
Net sales	9	7	17	15
CT&M
Revenue Recognition
Net sales	1,002	890	1,831	1,676
CT&M | Products
Revenue Recognition
Net sales	999	885	1,825	1,666
CT&M | Other
Revenue Recognition
Net sales	3	5	6	10
Marine
Revenue Recognition
Net sales	259	263	513	512
Marine | Transportation
Revenue Recognition
Net sales	259	263	513	512
Sugar and Alcohol
Revenue Recognition
Net sales	30	61	55	112
Sugar and Alcohol | Products
Revenue Recognition
Net sales	29	60	54	110
Sugar and Alcohol | Energy
Revenue Recognition
Net sales	1	1	1	2
Power
Revenue Recognition
Net sales	33	31	62	54
Power | Energy
Revenue Recognition
Net sales	33	31	62	54
All Other
Revenue Recognition
Net sales	6	4	9	8
All Other | Products
Revenue Recognition
Net sales	5	4	8	8
All Other | Transportation
Revenue Recognition
Net sales	1		1
Segment Totals
Revenue Recognition
Net sales	1,822	1,691	3,365	3,270
Segment Totals | Products
Revenue Recognition
Net sales	1,460	1,314	2,671	2,510
Segment Totals | Transportation
Revenue Recognition
Net sales	263	267	521	520
Segment Totals | Energy
Revenue Recognition
Net sales	87	98	150	215
Segment Totals | Other
Revenue Recognition
Net sales	$ 12	12	$ 23	$ 25
Segment Totals | Pork
Revenue Recognition
Net sales		442
Segment Totals | CT&M
Revenue Recognition
Net sales		890
Segment Totals | Marine
Revenue Recognition
Net sales		263
Segment Totals | Sugar and Alcohol
Revenue Recognition
Net sales		61
Segment Totals | Power
Revenue Recognition
Net sales		31
Segment Totals | All Other
Revenue Recognition
Net sales		$ 4