CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands	Total	Preferred Stock Series A Preferred Stock	Preferred Stock Series B Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Distributions in Excess of Earnings	Noncontrolling Interests
BALANCE (in shares) at Dec. 31, 2016		6,000	1,375	429,913	(2,810)
BALANCE at Dec. 31, 2016	$ 6,976,200,000	$ 100,000	$ 0.0	$ 4,300,000	$ (207,700,000)	$ 10,043,500,000	$ (1,999,300,000)	$ (1,077,000,000.0)	$ 212,300,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation related activity (in shares)				2,121
Stock-based compensation related activity	195,000,000.0			$ 0.0		195,000,000.0
Issuance of common stock - stock purchase plan (in shares)				93
Issuance of common stock—stock purchase plan	9,000,000.0			$ 0.0		9,000,000.0
Conversion of preferred stock (in shares)		(6,000)	0	5,602
Conversion of preferred stock	0.0	$ (100,000)	$ 0.0	$ 100,000		0.0
Treasury stock activity (in shares)					(6,099)
Treasury stock activity	(766,300,000)				$ (766,300,000)
Changes in fair value of cash flow hedges, net of tax	(400,000)						(400,000)
Reclassification of unrealized gains on cash flow hedges to net income, net of tax	(100,000)						(100,000)
Foreign currency translation adjustment, net of tax	76,100,000						21,500,000		54,600,000
Contributions from noncontrolling interest	314,100,000								314,100,000
Distributions to noncontrolling interest	(14,300,000)								(14,300,000)
Common stock distributions declared	(1,128,600,000)							(1,128,600,000)
Preferred stock dividends declared	(91,400,000)							(91,400,000)
Net income	1,258,800,000							1,238,900,000	19,900,000
BALANCE (in shares) at Dec. 31, 2017		0	1,375	437,729	(8,909)
BALANCE at Dec. 31, 2017	6,828,100,000	$ 0	$ 0.0	$ 4,400,000	$ (974,000,000.0)	10,247,500,000	(1,978,300,000)	(1,058,100,000)	586,600,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation related activity (in shares)				1,782
Stock-based compensation related activity	190,400,000			$ 0.0		190,400,000
Issuance of common stock - stock purchase plan (in shares)				86
Issuance of common stock—stock purchase plan	10,200,000			$ 0.0		10,200,000
Conversion of preferred stock (in shares)			(1,375)	12,020
Conversion of preferred stock	0.0		$ 0.0	$ 100,000		(100,000)
Treasury stock activity (in shares)					(1,648)
Treasury stock activity	(232,800,000)				$ (232,800,000)
Changes in fair value of cash flow hedges, net of tax	(100,000)						(100,000)
Reclassification of unrealized gains on cash flow hedges to net income, net of tax	300,000						300,000
Foreign currency translation adjustment, net of tax	(777,200,000)						(744,100,000)		(33,100,000)
Adjustment to redeemable noncontrolling interest	28,100,000					(50,700,000)	78,800,000
Distributions to noncontrolling interest	(15,000,000.0)								(15,000,000.0)
Purchase of noncontrolling interest	(20,500,000)					(16,500,000)	500,000		(4,500,000)
Common stock distributions declared	(1,397,300,000)							(1,397,300,000)
Preferred stock dividends declared	(18,900,000)							(18,900,000)
Net income	1,265,900,000							1,236,400,000	29,500,000
BALANCE (in shares) at Dec. 31, 2018		0	0	451,617	(10,557)
BALANCE at Dec. 31, 2018	5,899,600,000	$ 0	$ 0	$ 4,500,000	$ (1,206,800,000)	10,380,800,000	(2,642,900,000)	(1,199,500,000)	563,500,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation related activity (in shares)				1,851
Stock-based compensation related activity	143,200,000			$ 0.0		143,200,000
Issuance of common stock - stock purchase plan (in shares)				73
Issuance of common stock—stock purchase plan	11,300,000			$ 0.0		11,300,000
Treasury stock activity (in shares)					(94)
Treasury stock activity	(19,600,000)				$ (19,600,000)
Changes in fair value of cash flow hedges, net of tax	(100,000)						(100,000)
Reclassification of unrealized gains on cash flow hedges to net income, net of tax	200,000						200,000
Foreign currency translation adjustment, net of tax	(149,600,000)						(125,300,000)		(24,300,000)
Distributions to noncontrolling interest	(14,600,000)								(14,600,000)
Purchase of noncontrolling interest	(68,500,000)					(49,500,000)	(3,100,000)		(15,900,000)
Reclassification to redeemable noncontrolling interest	(523,000,000.0)					(420,500,000)			(102,500,000)
Purchase of redeemable noncontrolling interest	(0.0)					52,400,000	(52,400,000)
Common stock distributions declared	(1,680,400,000)							(1,680,400,000)
Net income	1,916,600,000							1,887,800,000	28,800,000
BALANCE (in shares) at Dec. 31, 2019		0	0	453,541	(10,651)
BALANCE at Dec. 31, 2019	$ 5,490,400,000	$ 0	$ 0	$ 4,500,000	$ (1,226,400,000)	$ 10,117,700,000	$ (2,823,600,000)	$ (1,016,800,000)	$ 435,000,000.0