Derivative Financial Instruments (Schedule of Derivative Instruments, Notional Amounts and Fair Values) (Details) - USD ($) $ in Millions		Sep. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative, Notional Amount	[1]	$ 4,691	$ 4,671
Other Assets		158	107
Accrued Liabilities		(87)	(100)
Netting Arrangements, Other Assets		(51)	(31)
Netting Arrangements, Accrued Liabilities		51	31
Net Recorded balance, Other Assets		107	76
Net Recorded balance, Accrued Liabilities		(36)	(69)
Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Derivative, Notional Amount		2,581	2,594
Other Assets		24	81
Accrued Liabilities		(50)	(24)
Designated as Hedging Instrument | Commodity Contract
Derivative [Line Items]
Derivative, Notional Amount		586	404
Other Assets		116	4
Accrued Liabilities		(11)	(43)
Not Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Derivative, Notional Amount		550	769
Other Assets		8	22
Accrued Liabilities		(2)	(16)
Not Designated as Hedging Instrument | Commodity Contract
Derivative [Line Items]
Derivative, Notional Amount		974	904
Other Assets		10
Accrued Liabilities		$ (24)	$ (17)

[1] Notional amounts represent the gross contract/notional amount of the derivatives outstanding.