CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
NET INCOME	$ 270	$ 138	$ 544	$ 464
OTHER COMPREHENSIVE INCOME (LOSS):
Auction rate securities marked to market, net of $-, $2, $(2), and $2 tax		(4)	3	(4)
Foreign currency translation adjustment and other, net of $-, $-, $-, and $2 tax	8	(15)	9	(19)
Items related to employee benefit plans:
Change in net actuarial loss, net of $(3), $(1), $(9), and $(3) tax	4	2	14	5
Change in net prior service credit, net of $(1), $-, $(1), and $(1) tax	2		2	1
Other comprehensive income (loss)	14	(17)	28	(17)
COMPREHENSIVE INCOME	$ 284	$ 121	$ 572	$ 447