CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
NET (LOSS) INCOME	$ (239)	$ 777	$ 573
Items related to employee benefit plans:
Change in net actuarial gain (loss), net of $(606), $432 and $508 tax	981	(694)	(812)
Change in net prior service credit, net of $52, $4 and $23 tax	(84)	(6)	(37)
Auction rate securities marked to market, net of $—, $(1) and $2 tax	0	2	(4)
Auction rate securities settlements reclassified to net income, net of $—, $(1) and $— tax	0	3	0
Foreign currency translation adjustment and other, net of $—, $— and $2 tax	2	6	(18)
Net current-period other comprehensive income (loss)	899	(689)	(871)
COMPREHENSIVE INCOME (LOSS)	$ 660	$ 88	$ (298)