CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 188	$ (1,045)	$ 584	$ (478)
Items related to employee benefit plans:
Change in net actuarial loss, net of $(2), $(8), $(6) and $(25) tax	3	13	9	40
Change in net prior service credit, net of $(2), $—, $(7) and $(1) tax	(3)	(1)	(11)	(2)
Foreign currency translation adjustment and other, net of $-, $-. $- and $- tax	(16)	13	(7)	(1)
Other comprehensive income	(10)	27	13	41
COMPREHENSIVE INCOME (LOSS)	$ 178	$ (1,018)	$ 597	$ (437)