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Segment Information-Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020
Segment Information
Operating Income (Loss)	$ 165	$ 9	$ 257	$ 72
Income (loss) from affiliates	(5)	(17)	1	(21)
Total assets	7,070		7,070		$ 6,399
Investment in and Advances to Affiliates	666		666		698
Pork
Segment Information
Operating Income (Loss)	129	9	190	41
Income (loss) from affiliates	(6)	(4)	(2)	(3)
Investment in and Advances to Affiliates	147		147		172
CT&M
Segment Information
Operating Income (Loss)	16	24	32	54
Income (loss) from affiliates	4		10	1
Investment in and Advances to Affiliates	228		228		222
Marine
Segment Information
Operating Income (Loss)	32	(11)	53	(17)
Income (loss) from affiliates	1	1	2	2
Investment in and Advances to Affiliates	30		30		30
Sugar and Alcohol
Segment Information
Operating Income (Loss)	(1)	(2)		(3)
Investment in and Advances to Affiliates	3		3		6
Power
Segment Information
Operating Income (Loss)	(5)	(1)	(7)	1
Investment in and Advances to Affiliates	3		3		3
Turkey
Segment Information
Income (loss) from affiliates	(4)	(14)	(9)	(21)
Investment in and Advances to Affiliates	255		255		265
All Other
Segment Information
Operating Income (Loss)			1	1
Segment Totals
Segment Information
Operating Income (Loss)	171	19	269	77
Income (loss) from affiliates	(5)	(17)	1	(21)
Total assets	5,388		5,388		4,746
Segment Totals \| Pork
Segment Information
Total assets	2,137		2,137		1,927
Segment Totals \| CT&M
Segment Information
Total assets	1,948		1,948		1,585
Segment Totals \| Marine
Segment Information
Total assets	564		564		508
Segment Totals \| Sugar and Alcohol
Segment Information
Total assets	148		148		153
Segment Totals \| Power
Segment Information
Total assets	329		329		302
Segment Totals \| Turkey
Segment Information
Total assets	255		255		265
Segment Totals \| All Other
Segment Information
Total assets	7		7		6
Corporate
Segment Information
Operating Income (Loss)	(6)	$ (10)	(12)	$ (5)
Total assets	$ 1,682		$ 1,682		$ 1,653