Derivative Financial Instruments (Schedule Of Notional Amounts And Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Notional amounts	[1]	$ 4,053	$ 3,064
Other assets		38	41
Accrued liabilities		(328)	(233)
Derivative Asset, Collateral, Obligation to Return Cash, Offset		(23)	(16)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset		23	16
Net recorded balance, Other assets		15	25
Net recorded balance, Accrued liabilities		(305)	(217)
Foreign Exchange Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts	[1]	2,727	2,586
Other assets		23	9
Accrued liabilities		(304)	(204)
Foreign Exchange Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts	[1]	436	319
Other assets		4	21
Accrued liabilities		(11)	(5)
Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts	[1]	125	125
Other assets		9	10
Commodity Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts	[1]	40	31
Other assets		2	1
Accrued liabilities		(13)	(24)
Commodity Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts	[1]	$ 725	$ 3

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