Derivatives And Hedging Activities Effect of Derivative Instruments in Consolidated Statement of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	$ 65	$ (21)	$ 6
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	8	6	50
Designated as Hedging Instrument | Cash Flow Hedging | Commodity Derivative
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	68	(7)	15
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	60	31	(7)
Designated as Hedging Instrument | Cash Flow Hedging | Foreign Currency Derivative
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	3	14	(9)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	(35)	23	(44)
Designated as Hedging Instrument | Net Investment Hedging | Foreign Currency Derivative
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	0	0	0
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	17	(2)	(1)
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain on Derivative	2	0	(1)
Not Designated as Hedging Instrument | Commodity Derivative
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain on Derivative	(3)
Not Designated as Hedging Instrument | Foreign Currency Derivative
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain on Derivative	$ 5	$ 0	$ (1)