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Investments In And Advances To Affiliates (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) entity facility	Dec. 31, 2020 USD ($) entity	Dec. 31, 2019 USD ($)
Schedule Of Equity Method Investments [Line Items]
Amount of credit facility provided to unconsolidated affiliates	$ 106
Number of unconsolidated affiliates provided with credit facilities by the entity \| entity	5
Number of credit facilities with outstanding balance \| facility	2
Number of credit facilities with no outstanding balance \| facility	3
Outstanding balance of credit facilities	$ 32
Revenues from unconsolidated affiliates	6,600	$ 4,700	$ 4,900
Trade accounts receivable due from unconsolidated affiliates	$ 274	$ 197
Wilmar International Limited [Member]
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	22.30%	22.20%
Carrying value of direct investments	$ 4,000
Market value of direct investments	$ 4,300
Pacificor
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	32.20%
Stratas Foods
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Edible Oils
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Olenex
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	37.50%
SoyVen
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Hungrana
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Almidones Mexicanos
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Red Star Yeast
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	40.00%
Aston Foods
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Minimum [Member]
Schedule Of Equity Method Investments [Line Items]
Line of Credit Facility, Interest Rate During Period	0.00%
Maximum [Member]
Schedule Of Equity Method Investments [Line Items]
Line of Credit Facility, Interest Rate During Period	2.67%
Equity Method Investments [Member]
Schedule Of Equity Method Investments [Line Items]
Number of unconsolidated affiliates \| entity	63	60
Undistributed earnings of unconsolidated affiliates	$ 2,800