Consolidated Statements Of Stockholders' Equity (Deficit) (USD $) In Millions	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Total
Beginning Balance at Dec. 31, 2008	$ 285	$ 3,992	$ (367)	$ (3,177)	$ (3,668)	$ (2,935)
Net loss					(1,468)	(1,468)
Changes in pension, retiree medical and other liability				(117)		(117)
Net changes in fair value of derivative financial instruments				813		813
Non-cash tax provision				(248)		(248)
Unrealized gain on investments				5		5
Comprehensive Income (Loss)						(1,015)
Reclassification and amortization of stock compensation plans		48				48
Issuance of 52,269,849 shares	52	360				412
Issuance of 1,399,833, 825,397, and 1,818,073 shares to employees pursuant to stock option and deferred stock incentive plans on 2009, 2010 and 2011 respectively	2	(1)				1
Ending Balance at Dec. 31, 2009	339	4,399	(367)	(2,724)	(5,136)	(3,489)
Net loss					(471)	(471)
Changes in pension, retiree medical and other liability				(247)		(247)
Net changes in fair value of derivative financial instruments				216		216
Comprehensive Income (Loss)						(502)
Reclassification and amortization of stock compensation plans		48				48
Issuance of 1,399,833, 825,397, and 1,818,073 shares to employees pursuant to stock option and deferred stock incentive plans on 2009, 2010 and 2011 respectively		(2)				(2)
Ending Balance at Dec. 31, 2010	339	4,445	(367)	(2,755)	(5,607)	(3,945)
Net loss					(1,979)	(1,979)
Changes in pension, retiree medical and other liability				(1,086)		(1,086)
Net changes in fair value of derivative financial instruments				(123)		(123)
Comprehensive Income (Loss)						(3,188)
Reclassification and amortization of stock compensation plans		23				23
Issuance of 1,399,833, 825,397, and 1,818,073 shares to employees pursuant to stock option and deferred stock incentive plans on 2009, 2010 and 2011 respectively	2	(3)				(1)
Ending Balance at Dec. 31, 2011	$ 341	$ 4,465	$ (367)	$ (3,964)	$ (7,586)	$ (7,111)