Segment Information - Disaggregation of sales (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Oct. 01, 2022 USD ($)	Sep. 30, 2023 USD ($) segment	Oct. 01, 2022 USD ($)
Revenue Recognition
Number of reportable segments | segment			6
Net sales	$ 2,388	$ 2,895	$ 7,280	$ 8,577
Products
Revenue Recognition
Net sales	1,966	2,299	5,907	6,901
Other
Revenue Recognition
Net sales	73	55	188	120
Pork
Revenue Recognition
Net sales	691	678	1,900	1,961
Pork | Products
Revenue Recognition
Net sales	467	500	1,329	1,504
Pork | Transportation
Revenue Recognition
Net sales	3	3	9	8
Pork | Energy
Revenue Recognition
Net sales	212	167	535	428
Pork | Other
Revenue Recognition
Net sales	9	8	27	21
Commodity Trading and Milling
Revenue Recognition
Net sales	1,253	1,603	3,932	4,884
Commodity Trading and Milling | Products
Revenue Recognition
Net sales	1,249	1,598	3,922	4,872
Commodity Trading and Milling | Other
Revenue Recognition
Net sales	4	5	10	12
Marine
Revenue Recognition
Net sales	333	525	1,137	1,514
Marine | Transportation
Revenue Recognition
Net sales	333	525	1,137	1,514
Sugar and Alcohol
Revenue Recognition
Net sales	37	33	115	88
Sugar and Alcohol | Products
Revenue Recognition
Net sales	35	30	113	85
Sugar and Alcohol | Energy
Revenue Recognition
Net sales	2	3	2	3
Power
Revenue Recognition
Net sales	71	52	186	117
Power | Energy
Revenue Recognition
Net sales	71	52	186	117
All Other
Revenue Recognition
Net sales	3	4	10	13
All Other | Products
Revenue Recognition
Net sales	3	4	8	12
All Other | Transportation
Revenue Recognition
Net sales			2	1
Segment Totals
Revenue Recognition
Net sales	2,388	2,895	7,280	8,577
Segment Totals | Products
Revenue Recognition
Net sales	1,754	2,132	5,372	6,473
Segment Totals | Transportation
Revenue Recognition
Net sales	336	528	1,148	1,523
Segment Totals | Energy
Revenue Recognition
Net sales	285	222	723	548
Segment Totals | Other
Revenue Recognition
Net sales	$ 13	$ 13	$ 37	$ 33