Derivative Financial Instruments (Schedule Of Notional Amounts And Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative, Notional Amount	[1]	$ 4,251	$ 4,671
Other assets		128	107
Accrued liabilities		(80)	(100)
Derivative Asset, Collateral, Obligation to Return Cash, Offset		(30)	(31)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset		30	31
Net recorded balance, Other assets		98	76
Net recorded balance, Accrued liabilities		(50)	(69)
Foreign Exchange Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount		2,630	2,594
Other assets		30	81
Accrued liabilities		(52)	(24)
Foreign Exchange Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount		361	769
Other assets		2	22
Accrued liabilities		(3)	(16)
Commodity Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount		500	404
Other assets		88	4
Accrued liabilities		(18)	(43)
Commodity Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount		760	904
Other assets		8
Accrued liabilities		$ (7)	$ (17)

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