Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income (loss)	$ 43	$ (5)	$ 180	$ (229)
Foreign currency translation adjustment	(15)	10	(23)	8
Net change in unrealized gains and losses on derivative financial instruments, net of tax	83	(38)	28	81
Net change in certain retirement plans	0	0	(1)	0
Total other comprehensive income (loss)	68	(28)	4	89
Total comprehensive income (loss)	$ 111	$ (33)	$ 184	$ (140)