CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
NET INCOME	$ 269	$ 74	$ 567	$ 274
Items related to employee benefit plans:
Change in net actuarial loss, net of $(10), $(3), $(18), and $(6) tax	11	5	24	10
Change in net prior service credit, net of $-, $-, $(1), and $- tax	1		2
Auction rate securities marked to market, net of $-, $-, $-, and $(2) tax				3
Foreign currency translation adjustment and other, net of $2, $-, $-, and $- tax	(5)	(3)	(13)	1
Other comprehensive income	7	2	13	14
COMPREHENSIVE INCOME	$ 276	$ 76	$ 580	$ 288