Derivative Financial Instruments (Schedule Of Open Position Derivative Financial Instruments) (Details) lb in Thousands, gal in Thousands, bu in Thousands, T in Thousands, MMBTU in Thousands, MMBTU in Thousands	Dec. 31, 2021 gal lb T bu MMBTU MMBTU
Corn [Member] | Exchange Traded [Member] | Long [Member] | Fair Value Hedging [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | bu	6,375	[1],[2]
Corn [Member] | Non-Exchange Traded [Member] | Short [Member] | Fair Value Hedging [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | gal	8,065	[1],[3]
Ethanol [Member] | Exchange Traded [Member] | Long [Member] | Cash Flow Hedges [Member] | Options [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | bu	26,643	[1]
Ethanol [Member] | Exchange Traded [Member] | Short [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | gal	18,900	[1],[2]
Ethanol [Member] | Exchange Traded [Member] | Short [Member] | Cash Flow Hedges [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | gal	85,974	[1]
Ethanol [Member] | Non-Exchange Traded [Member] | Long [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | gal	3,248	[4]
Ethanol [Member] | Non-Exchange Traded [Member] | Short [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | gal	291,958	[4]
Natural Gas [Member] | Exchange Traded [Member] | Long [Member] | Cash Flow Hedges [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives	3,210	[1]
Natural Gas [Member] | Exchange Traded [Member] | Short [Member] | Cash Flow Hedges [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives	13,510	[1]
Natural Gas [Member] | Non-Exchange Traded [Member] | Long [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives	12,576	[4]
Natural Gas [Member] | Non-Exchange Traded [Member] | Short [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives	1,860	[4]
Natural Gas [Member] | Non-Exchange Traded [Member] | Short [Member] | Fair Value Hedging [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives	4,933	[1],[3]
Soybean Meal [Member] | Exchange Traded [Member] | Long [Member] | Options [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | T	15	[1]
Soybean Oil [Member] | Exchange Traded [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives	3,000	[1]
Soybean Oil [Member] | Exchange Traded [Member] | Long [Member] | Options [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | lb	71,754	[1]
Corn And Soybeans In Bushels [Member] | Exchange Traded [Member] | Short [Member] | Futures [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | bu	28,280	[1]
Corn And Soybeans In Bushels [Member] | Non-Exchange Traded [Member] | Long [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | bu	57,697	[4]
Corn And Soybeans In Bushels [Member] | Non-Exchange Traded [Member] | Short [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | bu	9	[4]
DDG [Member] | Non-Exchange Traded [Member] | Long [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | T	83	[4]
DDG [Member] | Non-Exchange Traded [Member] | Short [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | T	454	[4]
Corn Oil [Member] | Non-Exchange Traded [Member] | Short [Member] | Forwards [Member]
Derivative [Line Items]
Volumes of open commodity derivatives | lb	136,594	[4]

[1] Exchange traded futures and options are presented on a net long and (short) position basis. Options are presented on a delta-adjusted basis.

[2] Futures used for cash flow hedges.

[3] Futures used for fair value hedges.

[4] Non-exchange traded forwards are presented on a gross long and (short) position basis including both fixed-price and basis contracts.