Derivatives and Fair Value of Financial Instruments-Derivatives (Details) lb in Millions, gal in Millions, bu in Millions, $ in Millions	3 Months Ended	12 Months Ended
Mar. 28, 2020 USD ($) lb bu	Dec. 31, 2019 USD ($) lb gal bu
Equity future contracts
Derivative commodity instruments
Notional amounts \| $	$ 20	$ 0
Net commodity purchase contracts \| Grain
Derivative commodity instruments
Nonmonetary notional amount \| bu	16	17
Net commodity purchase contracts \| Soybean oil
Derivative commodity instruments
Nonmonetary notional amount \| lb	20
Net commodity sale contracts \| Soybean oil
Derivative commodity instruments
Nonmonetary notional amount \| lb		132
Net commodity sale contracts \| Heating oil
Derivative commodity instruments
Nonmonetary notional amount \| gal		12
Foreign currencies
Derivative commodity instruments
Notional amounts \| $	$ 27	$ 78

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Nominal mass used to calculate payments on a derivative instrument.

+ References

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Nominal volume used to calculate payments on a derivative instrument.

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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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