Segment Information-Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Dec. 31, 2020
Segment Information
Operating Income (Loss)	$ 92	$ 63
Income (loss) from affiliates	6	(4)
Total assets	6,693		$ 6,399
Investment in and Advances to Affiliates	677		698
Pork
Segment Information
Income (loss) from affiliates	4	1
Investment in and Advances to Affiliates	153		172
CT&M
Segment Information
Income (loss) from affiliates	6	1
Investment in and Advances to Affiliates	226		222
Marine
Segment Information
Income (loss) from affiliates	1	1
Investment in and Advances to Affiliates	30		30
Sugar and Alcohol
Segment Information
Investment in and Advances to Affiliates	6		6
Power
Segment Information
Investment in and Advances to Affiliates	3		3
Turkey
Segment Information
Income (loss) from affiliates	(5)	(7)
Investment in and Advances to Affiliates	259		265
Segment Totals
Segment Information
Operating Income (Loss)	98	58
Total assets	5,100		4,746
Segment Totals | Pork
Segment Information
Operating Income (Loss)	61	32
Total assets	2,069		1,927
Segment Totals | CT&M
Segment Information
Operating Income (Loss)	16	30
Total assets	1,804		1,585
Segment Totals | Marine
Segment Information
Operating Income (Loss)	21	(6)
Total assets	512		508
Segment Totals | Sugar and Alcohol
Segment Information
Operating Income (Loss)	1	(1)
Total assets	146		153
Segment Totals | Power
Segment Information
Operating Income (Loss)	(2)	2
Total assets	304		302
Segment Totals | Turkey
Segment Information
Total assets	259		265
Segment Totals | All Other
Segment Information
Operating Income (Loss)	1	1
Total assets	6		6
Corporate
Segment Information
Operating Income (Loss)	(6)	$ 5
Total assets	$ 1,593		$ 1,653