Segment Information - Disaggregation of sales (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2023 USD ($)	Jul. 02, 2022 USD ($)	Jul. 01, 2023 USD ($) segment	Jul. 02, 2022 USD ($)
Revenue Recognition
Number of reportable segments | segment			6
Net sales	$ 2,393	$ 2,973	$ 4,892	$ 5,682
Products
Revenue Recognition
Net sales	1,957	2,388	3,941	4,602
Other
Revenue Recognition
Net sales	63	47	115	65
Pork
Revenue Recognition
Net sales	595	663	1,209	1,283
Pork | Products
Revenue Recognition
Net sales	434	513	862	1,004
Pork | Transportation
Revenue Recognition
Net sales	3	3	6	5
Pork | Energy
Revenue Recognition
Net sales	149	140	323	261
Pork | Other
Revenue Recognition
Net sales	9	7	18	13
Commodity Trading and Milling
Revenue Recognition
Net sales	1,335	1,711	2,679	3,281
Commodity Trading and Milling | Products
Revenue Recognition
Net sales	1,332	1,707	2,673	3,274
Commodity Trading and Milling | Other
Revenue Recognition
Net sales	3	4	6	7
Marine
Revenue Recognition
Net sales	356	523	804	989
Marine | Transportation
Revenue Recognition
Net sales	356	523	804	989
Sugar and Alcohol
Revenue Recognition
Net sales	40	24	78	55
Sugar and Alcohol | Products
Revenue Recognition
Net sales	40	24	78	55
Power
Revenue Recognition
Net sales	63	47	115	65
Power | Energy
Revenue Recognition
Net sales	63	47	115	65
All Other
Revenue Recognition
Net sales	4	5	7	9
All Other | Products
Revenue Recognition
Net sales	2	4	5	8
All Other | Transportation
Revenue Recognition
Net sales	2	1	2	1
Segment Totals
Revenue Recognition
Net sales	2,393	2,973	4,892	5,682
Segment Totals | Products
Revenue Recognition
Net sales	1,808	2,248	3,618	4,341
Segment Totals | Transportation
Revenue Recognition
Net sales	361	527	812	995
Segment Totals | Energy
Revenue Recognition
Net sales	212	187	438	326
Segment Totals | Other
Revenue Recognition
Net sales	$ 12	$ 11	$ 24	$ 20