Financial Instruments (Effect Of Derivatives Recognized In Company's Consolidated Condensed Financial Statements) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Schedule of Cost-method Investments [Line Items]
Commodity contracts(c)	$ 2		$ (10)		$ 6
Foreign Exchange Forward Contracts [Member]
Schedule of Cost-method Investments [Line Items]
Transaction-related costs included in operating expenses			17				17
Gain included in operating expenses			1
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member]
Schedule of Cost-method Investments [Line Items]
Commodity contracts(c)	4	[1],[2]	6	[1],[2]	11	[1],[2]	16	[1],[2]
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange Forward Contracts [Member]
Schedule of Cost-method Investments [Line Items]
Commodity contracts(c)	6	[3]	(16)	[3]	2	[3]	(17)	[3]
Derivatives Not Designated As Hedging Instruments [Member] | Commodity contracts [Member]
Schedule of Cost-method Investments [Line Items]
Commodity contracts(c)	(5)	[4]			1	[4]	1	[4]
Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Contracts [Member]
Schedule of Cost-method Investments [Line Items]
Commodity contracts(c)	$ (3)	[5]			$ (8)	[5]

[1] Includes unallocated corporate overhead and the elimination of transactions between segments.

[2] Recognized, net of tax, as a component of other comprehensive income within stockholders' equity.

[3] For the three and six months ended June 30, 2012, amounts are included in operating expenses. For the three months ended June 30, 2011, includes $17 million loss in transaction-related costs and a $1 million gain in operating expenses. For the six months ended June 30, 2011, includes a $17 million loss in transaction-related costs.

[4] Included in operating expenses.

[5] Included in interest expense.