Derivative Financial Instruments (Schedule Of Notional Amounts And Fair Values Of Derivative Instruments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Derivative [Line Items]
Notional amounts	$ 3,177	[1]	$ 3,224	[1]
Other assets	149		231
Accrued liabilities	(142)		(137)
Net recorded balance, Other assets	86		178
Net recorded balance, Accrued liabilities	(79)		(84)
Netting Arrangements [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Amount Offset Against Collateral	(63)		(53)
Derivative Asset, Fair Value, Amount Offset Against Collateral	63		53
Foreign Exchange Contracts [Member] | Derivatives Designated As Hedging Instruments [Member]
Derivative [Line Items]
Notional amounts	2,524	[1]	2,310	[1]
Other assets	122		202
Accrued liabilities	(64)		(16)
Foreign Exchange Contracts [Member] | Derivatives Not Receiving Hedge Accounting Treatment [Member]
Derivative [Line Items]
Notional amounts	259	[1]	412	[1]
Other assets	12		3
Accrued liabilities	(35)		(42)
Interest Rate Contracts [Member] | Derivatives Designated As Hedging Instruments [Member]
Derivative [Line Items]
Notional amounts	313	[1]	388	[1]
Other assets	13		26
Commodity Contracts [Member] | Derivatives Designated As Hedging Instruments [Member]
Derivative [Line Items]
Notional amounts	72	[1]	99	[1]
Other assets	2
Accrued liabilities	(39)		(71)
Commodity Contracts [Member] | Derivatives Not Receiving Hedge Accounting Treatment [Member]
Derivative [Line Items]
Notional amounts	9	[1]	15	[1]
Accrued liabilities	$ (4)		$ (8)

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