Derivative and Other Financial Instruments (Accumulated Other Comprehensive Income ("AOCI") And Earnings From Changes In Fair Value Related To Derivative Instruments) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	$ (82)		$ (74)
Amount of gain/(loss) reclassified from AOCI into earnings	(46)		13
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	0		(8)
Amount of gain/(loss) reclassified from AOCI into earnings	0	[1]	(5)	[1]
Gain (loss) reclassified cost of products sold	14		1
Cash Flow Hedge Gain (Loss) Reclassified to Revenue, Net	(14)		(6)
Commodity Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	(82)		(66)
Amount of gain/(loss) reclassified from AOCI into earnings	(46)	[2]	18	[2]
Gain (loss) reclassified cost of products sold	(60)		25
Provision for/(benefit from) income taxes	$ (14)		$ 7

[1] Within the Statement of Operations for the twelve months ended December 31, 2012, a gain of $14 was recognized in cost of products sold and a loss of $14 was recognized in net sales. During the twelve months ended December 31, 2011, a gain of $1 was recognized in cost of products sold and a loss of $6 recognized in net sales.

[2] Within the Statement of Operations for the twelve months ended December 31, 2012, a loss of $60, including $3 of ineffectiveness, was recognized in cost of products sold and a tax benefit of $14 was recognized in income tax expense. During the twelve months ended December 31, 2011, a gain of $25 was recognized in cost of products sold and a tax charge of $7 was recognized in income tax expense.