Consolidated Statement of Convertible Preferred Stock and Equity - USD ($)		Total	4.5% Mandatory Convertible Preferred Stock	Common Stock [Member]	Additional Paid-in Capital	Foreign Currency Translation Adjustments	Derivative Instruments	Dividends/Distributions in Excess of Earnings	Noncontrolling Interest		AOCI Attributable to Parent [Member]	Discontinued Operations [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
4.5% Mandatory Convertible Preferred Stock, shares outstanding			9,775,000
Accumulated other Comprehensive Income (Loss), Net of Tax		$ (23,612,000)
Balance, value at Dec. 31, 2013		6,941,175,000		$ 3,341,000	$ 9,482,769,000	$ 58,261,000	$ (81,873,000)	$ (2,535,879,000)	$ 14,458,000
Balance, (in shares) at Dec. 31, 2013				334,070,016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation related activity, net of forfeitures, value		51,497,000		$ 1,000	51,496,000
Stock-based compensation related activity, net of forfeitures, shares				79,490
Purchases and retirement of capital stock, value		(21,872,000)		$ (3,000)	(21,869,000)
Purchases and retirement of capital stock, shares				(292,874)
Other Comprehensive Income (Loss), Net of Tax	[1]	37,716,000				(23,716,000)	63,148,000		(1,716,000)		$ 39,432,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		(25,432,000)
Derivative instruments reclassified into results of operations, net of tax		63,148,000
Common stock dividends/distributions								(626,074,000)
Dividends, Preferred Stock								(43,988,000)
Preferred stock dividends		(43,988,000)			0
Income (loss) from continuing operations		398,774,000						390,513,000	8,261,000
Balance, value at Dec. 31, 2014		6,737,228,000	$ 98,000	$ 3,339,000	9,512,396,000	34,545,000	(18,725,000)	(2,815,428,000)	21,003,000
Balance, (in shares) at Dec. 31, 2014				333,856,632
Increase (Decrease) in Stockholders' Equity [Roll Forward]
4.5% Mandatory Convertible Preferred Stock, shares outstanding			9,775,000
Accumulated other Comprehensive Income (Loss), Net of Tax		15,820,000
Stock-based compensation related activity, net of forfeitures, value		65,840,000		$ 2,000	65,838,000
Stock-based compensation related activity, net of forfeitures, shares				251,554
Purchases and retirement of capital stock, value		(29,657,000)		$ (3,000)	(29,654,000)
Purchases and retirement of capital stock, shares				(336,526)
Other Comprehensive Income (Loss), Net of Tax	[1]	(21,090,000)				(38,943,000)	18,725,000				(20,218,000)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		(14,137,000)							(872,000)	[1]
Derivative instruments reclassified into results of operations, net of tax		18,725,000
Noncontrolling Interest, Period Increase (Decrease)												$ (23,474,000)
Common stock dividends/distributions		(1,119,973,000)						(1,119,973,000)
Dividends, Preferred Stock		(43,988,000)						(43,988,000)
Income (loss) from continuing operations		1,524,335,000						1,520,992,000	3,343,000
Balance, value at Dec. 31, 2015		$ 7,089,221,000	$ 98,000	$ 3,338,000	9,548,580,000	(4,398,000)	0	(2,458,397,000)	0
Balance, (in shares) at Dec. 31, 2015		333,771,660		333,771,660.00
Increase (Decrease) in Stockholders' Equity [Roll Forward]
4.5% Mandatory Convertible Preferred Stock, shares outstanding		9,775,000	9,775,000
Accumulated other Comprehensive Income (Loss), Net of Tax		$ (4,398,000)
Stock-based compensation related activity, net of forfeitures, value		86,273,000		$ 2,000	86,271,000
Stock-based compensation related activity, net of forfeitures, shares				263,782
Purchases and retirement of capital stock, value		(24,936,000)		$ (3,000)	(24,933,000)
Purchases and retirement of capital stock, shares				(289,531)
Conversion of redeemable preferred stock into Common Stock, shares				11,612,684
Stock Issued During Period, Value, Conversion of Convertible Securities				$ 116,000
Conversion of Stock, Shares Converted			(9,775,000)
Conversion of Stock, Amount Converted			$ (98,000)
Net Proceeds from Issuances of Common Stock, shares				15,178,064
Net Proceeds from Issuances of Common Stock, Value		1,325,865,000		$ 152,000	1,325,713,000
Other Comprehensive Income (Loss), Net of Tax	[1]	(1,490,000)				(1,490,000)	0				$ (1,490,000)
Other Adjustments to Additional Paid in Capital | Recognition of Excess Tax Benefits		2,623,000			2,623,000
Other Adjustments to Additional Paid in Capital | Conversion of Preferred Stock [Member]					(18,000)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		(1,490,000)							0	[1]
Derivative instruments reclassified into results of operations, net of tax		0
Common stock dividends/distributions		(1,244,423,000)						(1,244,423,000)
Dividends, Preferred Stock		(32,991,000)						(32,991,000)
Income (loss) from continuing operations		356,973,000						356,973,000	0
Balance, value at Dec. 31, 2016		$ 7,557,115,000	$ 0	$ 3,605,000	$ 10,938,236,000	$ (5,888,000)	$ 0	$ (3,378,838,000)	$ 0
Balance, (in shares) at Dec. 31, 2016		360,536,659		360,536,659.000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
4.5% Mandatory Convertible Preferred Stock, shares outstanding		0	0
Accumulated other Comprehensive Income (Loss), Net of Tax		$ (5,888,000)

[1] See the consolidated statement of operations and comprehensive income (loss) for the components of "total other comprehensive income (loss)" and note 9 with respect to the reclassification adjustment.