Derivative Financial Instruments (Schedule of Derivative Instruments, Notional Amounts and Fair Values) (Details) - USD ($) $ in Millions		Jun. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative, Notional Amount	[1]	$ 4,822	$ 4,671
Other Assets		134	107
Accrued Liabilities		(59)	(100)
Netting Arrangements, Other Assets		(48)	(31)
Netting Arrangements, Accrued Liabilities		48	31
Net Recorded balance, Other Assets		86	76
Net Recorded balance, Accrued Liabilities		(11)	(69)
Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Derivative, Notional Amount		2,833	2,594
Other Assets		60	81
Accrued Liabilities		(27)	(24)
Designated as Hedging Instrument | Commodity Contract
Derivative [Line Items]
Derivative, Notional Amount		474	404
Other Assets		63	4
Accrued Liabilities		(2)	(43)
Not Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Derivative, Notional Amount		540	769
Other Assets		8	22
Accrued Liabilities		(4)	(16)
Not Designated as Hedging Instrument | Commodity Contract
Derivative [Line Items]
Derivative, Notional Amount		975	904
Other Assets		3
Accrued Liabilities		$ (26)	$ (17)

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