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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 500	$ 604
Currency translation adjustments	(117)	65
Changes in derivative financial instruments, net of tax	(48)	63
Comprehensive income	335	732
Comprehensive loss attributable to noncontrolling interest	(2)	(2)
Comprehensive income attributable to Company	$ 337	$ 734

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The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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