STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net income	$ 3,804	$ 3,338	$ 1,968
Change in foreign currency translation adjustment, net of tax	(92)	(105)	75
Change in unrealized gain (loss) on marketable securities, net of tax	(6)	39	33
Change in unrealized gain (loss) on cash flow hedges, net of tax	35	(39)	(93)
Change in unrecognized pension and postretirement benefit costs, net of tax	(405)	(813)	684
Comprehensive income	$ 3,336	$ 2,420	$ 2,667