Consolidated Statements of Stockholders' Deficit (USD $) In Millions, except Share data	Total	Common Stock [Member]	Capital in Excess of Par Value [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Deficit [Member]	Equity Attributable to Noncontrolling Interests [Member]
Balance at Dec. 31, 2010	$ (10,794)	$ 4	$ 386	$ (428)	$ (11,888)	$ 1,132
Balance, shares at Dec. 31, 2010		427,459,000
Comprehensive income	2,830			(12)	2,465	377
Issuance of common stock	2,506	1	2,505
Issuance of common stock, shares		87,719,000
Repurchase of common stock	(1,503)	(1)	(1,502)
Repurchase of common stock, shares		(80,771,000)
Share-based benefit plans	35		35
Share-based benefit plans, shares		3,071,000
Distributions	(378)					(378)
Adjustment to the acquired controlling interest in equity investment	93					93
Reclassification of equity securities with contingent redemption rights	141		141
Other	56		36			20
Balance at Dec. 31, 2011	(7,014)	4	1,601	(440)	(9,423)	1,244
Balance, shares at Dec. 31, 2011		437,478,000
Comprehensive income	1,989			(17)	1,605	401
Share-based benefit plans	169		169
Share-based benefit plans, shares		5,722,000
Distributions	(3,543)				(3,142)	(401)
Adjustment to the acquired controlling interest in equity investment	30					30
Other	28		(17)			45
Balance at Dec. 31, 2012	(8,341)	4	1,753	(457)	(10,960)	1,319
Balance, shares at Dec. 31, 2012		443,200,000
Comprehensive income	2,196			200	1,556	440
Repurchase of common stock	(500)		(500)
Repurchase of common stock, shares		(10,656,000)
Share-based benefit plans	139		139
Share-based benefit plans, shares		7,060,000
Distributions	(435)					(435)
Other	13		(6)		1	18
Balance at Dec. 31, 2013	$ (6,928)	$ 4	$ 1,386	$ (257)	$ (9,403)	$ 1,342
Balance, shares at Dec. 31, 2013		439,604,000