Segment Information - Disaggregation of sales (Details) $ in Millions	3 Months Ended
	Apr. 01, 2023 USD ($) segment	Apr. 02, 2022 USD ($)
Revenue Recognition
Number of reportable segments | segment	6
Net sales	$ 2,499	$ 2,709
Products
Revenue Recognition
Net sales	1,984	2,214
Other
Revenue Recognition
Net sales	52	18
Pork
Revenue Recognition
Net sales	614	620
Pork | Products
Revenue Recognition
Net sales	428	491
Pork | Transportation
Revenue Recognition
Net sales	3	2
Pork | Energy
Revenue Recognition
Net sales	174	121
Pork | Other
Revenue Recognition
Net sales	9	6
Commodity Trading and Milling
Revenue Recognition
Net sales	1,344	1,570
Commodity Trading and Milling | Products
Revenue Recognition
Net sales	1,341	1,567
Commodity Trading and Milling | Other
Revenue Recognition
Net sales	3	3
Marine
Revenue Recognition
Net sales	448	466
Marine | Transportation
Revenue Recognition
Net sales	448	466
Sugar and Alcohol
Revenue Recognition
Net sales	38	31
Sugar and Alcohol | Products
Revenue Recognition
Net sales	38	31
Power
Revenue Recognition
Net sales	52	18
Power | Energy
Revenue Recognition
Net sales	52	18
All Other
Revenue Recognition
Net sales	3	4
All Other | Products
Revenue Recognition
Net sales	3	4
Segment Totals
Revenue Recognition
Net sales	2,499	2,709
Segment Totals | Products
Revenue Recognition
Net sales	1,810	2,093
Segment Totals | Transportation
Revenue Recognition
Net sales	451	468
Segment Totals | Energy
Revenue Recognition
Net sales	226	139
Segment Totals | Other
Revenue Recognition
Net sales	$ 12	$ 9