CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions		Total	Manager	Independent Directors	Total Stockholders’ Equity	Total Stockholders’ Equity Manager	Total Stockholders’ Equity Independent Directors	Special Stock	Common Stock		Common Stock Manager	Common Stock Independent Directors	Additional Paid In Capital	Additional Paid In Capital Manager	Additional Paid In Capital Independent Directors	Accumulated Other Comprehensive Loss	Retained Earnings	Noncontrolling Interests	[2]
Balance (in shares) at Dec. 31, 2016								100	82,047,526	[1]
Balance at Dec. 31, 2016		$ 3,148			$ 2,953								$ 2,089			$ (29)	$ 893	$ 195
Issuance of shares, net of offering costs (in shares)	[1]								78,343		948,147	9,595
Issuance of shares, net of offering costs		6	$ 72	$ 1	6	$ 72	$ 1						6	$ 72	$ 1
Issuance of shares pursuant to acquisition (in shares)	[1]								1,650,104
Issuance of shares pursuant to acquisition		125			125								125
Issuance of shares pursuant to conversion of convertible senior notes (in shares)	[1]								242
Issuance of shares pursuant to conversion of convertible senior notes		0
Dividends to common stockholders	[3]	(453)			(453)								(453)
Distributions to noncontrolling interests		(4)																(4)
Net adjustment to noncontrolling interest from acquisition		1																1
Comprehensive (loss) income, net of taxes		455			450											(1)	451	5
Balance (in shares) at Dec. 31, 2017								100	84,733,957	[1]
Balance at Dec. 31, 2017		3,351			3,154								1,840			(30)	1,344	197
Issuance of shares, net of offering costs (in shares)	[1]								1,916		1,054,896	9,435
Issuance of shares, net of offering costs		0	48	1		48	1							48	1
Issuance of shares pursuant to conversion of convertible senior notes (in shares)	[1]								99
Issuance of shares pursuant to conversion of convertible senior notes		0
Dividends to common stockholders	[3]	(379)			(379)								(379)
Distributions to noncontrolling interests		(4)																(4)
Net adjustment to noncontrolling interest from acquisition	[2]	1
Comprehensive (loss) income, net of taxes		99			141											4	137	(42)
Balance (in shares) at Dec. 31, 2018								100	85,800,303	[1]
Balance at Dec. 31, 2018		3,117			2,965								1,510			(30)	1,485	152
Issuance of shares, net of offering costs (in shares)	[1]										776,353	23,646
Issuance of shares, net of offering costs			$ 31	$ 1		$ 31	$ 1							$ 31	$ 1
Dividends to common stockholders	[3]	(344)			(344)								(344)
Distributions to noncontrolling interests		(3)																(3)
Net adjustment to noncontrolling interest from dispositions		(137)																(137)
Comprehensive (loss) income, net of taxes		146			149											(7)	156	(3)
Balance (in shares) at Dec. 31, 2019								100	86,600,302	[1]
Balance at Dec. 31, 2019		$ 2,811			$ 2,802								$ 1,198			$ (37)	$ 1,641	$ 9

[1] The Company is authorized to issue 500,000,000 shares of common stock with a par value $0.001 per share.

[2] Includes $141 million and $184 million of noncontrolling interest related to discontinued operations at December 31, 2018 and 2017, respectively. See Note 5, “Discontinued Operations and Dispositions”, for further discussions.

[3] See Note 11, “Stockholder's Equity”, for discussion on cash dividends paid on shares for each period.