Derivative Instruments And Hedging Activities Schedule of Realized Gain (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	$ (13,324)	$ 13,948
Sales and other revenues	3,400,545	3,897,247
Gain (Loss) on Price Risk Hedge Ineffectiveness	68,376	(17,039)
Cost of products sold	2,693,726	3,199,205
Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(13,324)	13,948
Commodity Contract [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Price Risk Hedge Ineffectiveness	25,089	(7,417)
Commodity Contract [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Price Risk Hedge Ineffectiveness	9,812	(2,016)
Foreign Currency Gain (Loss) [Member] | Other Nonoperating Income (Expense) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Price Risk Hedge Ineffectiveness	33,475	(7,606)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Cost and Expense, Operating	6,576	1,642
Reclassification out of Accumulated Other Comprehensive Income [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Sales and other revenues	5,452	(1,799)
Cost of products sold	1,830	3,622
Operating Expenses	$ (706)	$ (181)