CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net income		$ 883,574	$ 1,090,274
Adjustments to reconcile net income to net cash provided from (used in) operating activities:
Depreciation and amortization		795,704	764,429
Other amortization expenses		9,613	13,474
Provision for loan losses		11,351	18,690
Impairment of assets		126,291	28,035
Stock-based compensation expense		20,938	20,501
Loss (gain) on derivatives and financial instruments, net		10,480	670
Loss (gain) on extinguishment of debt, net		33,253	81,543
Loss (income) from unconsolidated entities		8,341	14,986
Rental income less than (in excess of) cash received		66,874	(78,980)
Amortization related to above (below) market leases, net		(1,373)	(335)
Loss (gain) on real estate dispositions, net		(902,991)	(735,977)
Distributions by unconsolidated entities		7,835	0
Increase (decrease) in accrued expenses and other liabilities		40,443	845
Decrease (increase) in receivables and other assets		(749)	(8,255)
Net cash provided from (used in) operating activities		1,109,584	1,209,900
Investing activities:
Cash disbursed for acquisitions, net of cash acquired		(393,374)	(3,004,768)
Cash disbursed for capital improvements to existing properties		(183,324)	(206,413)
Cash disbursed for construction in progress		(126,699)	(258,113)
Capitalized interest		(13,234)	(10,404)
Investment in loans receivable		(216,307)	(90,856)
Principal collected on loans receivable		14,345	57,125
Other investments, net of payments		(2,145)	(29,788)
Contributions to unconsolidated entities		(301,031)	(194,490)
Distributions by unconsolidated entities		41,884	98,880
Proceeds from (payments on) derivatives		(13,319)	(20,569)
Proceeds from sales of real property		3,522,949	2,601,071
Net cash provided from (used in) investing activities		2,329,745	(1,058,325)
Financing activities:
Net increase (decrease) under unsecured credit facility and commercial paper		(1,587,597)
Net increase (decrease) under unsecured credit facility and commercial paper			187,586
Proceeds from issuance of senior unsecured notes		1,588,549	3,253,516
Payments to extinguish senior unsecured notes		(566,248)	(3,107,500)
Net proceeds from the issuance of secured debt		44,921	318,854
Payments on secured debt		(538,091)	(233,952)
Net proceeds from the issuance of common stock		595,313	686,105
Repurchase of common stock		(7,656)	0
Payments for deferred financing costs and prepayment penalties		(35,925)	(82,249)
Contributions by noncontrolling interests	[1]	14,267	42,988
Distributions to noncontrolling interests	[1]	(298,369)	(138,270)
Cash distributions to stockholders		(864,115)	(1,047,968)
Other financing activities		(11,244)	(11,643)
Net cash provided from (used in) financing activities		(1,666,195)	(132,533)
Effect of foreign currency translation on cash and cash equivalents and restricted cash		(3,566)	(4,436)
Increase (decrease) in cash, cash equivalents and restricted cash		1,769,568	14,606
Cash, cash equivalents and restricted cash at beginning of period		385,765	316,129
Cash, cash equivalents and restricted cash at end of period		2,155,333	330,735
Supplemental cash flow information:
Interest paid		362,130	416,523
Income taxes paid (received), net		$ (485)	$ 4,784

[1] (1) Includes amounts attributable to redeemable noncontrolling interests.