Segment Information-Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 30, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment Information
Sales to External Customers:	$ 1,543	$ 1,579
Sales to External Customers	1,543	1,579
Operating Income (Loss)	(34)	97
Income (loss) from affiliates	(18)	(6)
Total Assets	5,976		$ 5,307
Investment in and Advances to Affiliates	789		804
Pork
Segment Information
Sales to External Customers:	403	466
Sales to External Customers	403	466
Operating Income (Loss)	(34)	92
Income (loss) from affiliates	(8)	(7)
Investment in and Advances to Affiliates	183		192
CT&M
Segment Information
Sales to External Customers:	829	786
Sales to External Customers	829	786
Operating Income (Loss)	7	11
Income (loss) from affiliates		(2)
Investment in and Advances to Affiliates	256		255
Marine
Segment Information
Sales to External Customers:	254	249
Sales to External Customers	254	249
Operating Income (Loss)		(4)
Income (loss) from affiliates	1
Investment in and Advances to Affiliates	31		28
Sugar and Alcohol
Segment Information
Sales to External Customers:	25	51
Sales to External Customers	25	51
Operating Income (Loss)	(4)	2
Investment in and Advances to Affiliates	4		4
Power
Segment Information
Sales to External Customers:	29	23
Sales to External Customers	29	23
Operating Income (Loss)	4
Income (loss) from affiliates		2
Investment in and Advances to Affiliates	31		30
Turkey
Segment Information
Income (loss) from affiliates	(11)	1
Investment in and Advances to Affiliates	284		295
All Other
Segment Information
Sales to External Customers:	3	4
Sales to External Customers	3	4
Operating Income (Loss)	1
Segment Totals
Segment Information
Sales to External Customers	1,543	1,579
Operating Income (Loss)	(26)	101
Total Assets	4,352		3,716
Segment Totals \| Pork
Segment Information
Total Assets	1,576		1,304
Segment Totals \| CT&M
Segment Information
Total Assets	1,577		1,423
Segment Totals \| Marine
Segment Information
Total Assets	548		345
Segment Totals \| Sugar and Alcohol
Segment Information
Total Assets	140		138
Segment Totals \| Power
Segment Information
Total Assets	219		203
Segment Totals \| Turkey
Segment Information
Total Assets	284		295
Segment Totals \| All Other
Segment Information
Total Assets	8		8
Corporate Items
Segment Information
Operating Income (Loss)	(8)	$ (4)
Total Assets	$ 1,624		$ 1,591

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