Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income	$ 499,728	$ 370,074	$ 507,245
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,450,806	1,224,322	1,088,559
Stock-based compensation	363,774	294,952	236,539
Amortization of intangible assets	205,484	199,047	196,278
Amortization of debt issuance costs and debt discounts and premiums	17,135	15,739	13,042
Provision for credit loss allowance	10,016	5,069	8,459
Impairment charges	0	7,306	15,790
Gain on asset sales	(10,845)	(1,301)	(44,310)
Loss on debt extinguishment	115,125	145,804	52,825
Other items	28,717	16,643	11,620
Changes in operating assets and liabilities:
Accounts receivable	(1,873)	25,412	(26,909)
Income taxes, net	(16,602)	(22,641)	32,495
Other assets	(114,268)	(129,817)	(100,144)
Operating lease right-of-use assets	140,590	153,650	149,031
Operating lease liabilities	(177,533)	(142,863)	(152,091)
Accounts payable and accrued expenses	64,596	25,801	(27,928)
Other liabilities	(27,644)	122,629	32,227
Net cash provided by operating activities	2,547,206	2,309,826	1,992,728
Cash flows from investing activities:
Purchases of investments	(107,533)	(127,763)	(60,909)
Sales of investments	4,057	29,352	40,386
Business acquisitions, net of cash and restricted cash acquired	(158,498)	(1,180,272)	(34,143)
Real estate acquisitions	(201,837)	(200,182)	(169,153)
Purchases of other property, plant and equipment	(2,751,512)	(2,282,504)	(2,079,521)
Proceeds from sale of assets, net of cash transferred	208,585	334,397	358,773
Net cash used in investing activities	(3,006,738)	(3,426,972)	(1,944,567)
Cash flows from financing activities:
Proceeds from employee equity awards	77,628	62,118	52,018
Payment of dividends	(1,042,909)	(947,933)	(836,164)
Proceeds from public offering of common stock, net of issuance costs	497,870	1,981,375	1,660,976
Proceeds from senior notes, net of debt discounts	3,878,662	4,431,627	2,797,906
Proceeds from mortgage and loans payable	0	750,790	0
Repayment of senior notes	(1,990,650)	(4,363,761)	(2,206,289)
Repayments of finance lease liabilities	(165,539)	(115,288)	(126,486)
Repayments of mortgage and loans payable	(717,010)	(829,466)	(73,227)
Debt extinguishment costs	(99,185)	(111,700)	(43,311)
Debt issuance costs	(25,102)	(42,236)	(23,341)
Net cash provided by financing activities	413,765	815,526	1,202,082
Effect of foreign currency exchange rates on cash, cash equivalents and restricted cash	(30,474)	40,702	8,766
Net increase (decrease) in cash, cash equivalents and restricted cash	(76,241)	(260,918)	1,259,009
Cash, cash equivalents and restricted cash at beginning of period	1,625,695	1,886,613	627,604
Cash, cash equivalents and restricted cash at end of period	1,549,454	1,625,695	1,886,613
Supplemental cash flow information
Cash paid for taxes	134,411	143,934	136,583
Cash paid for interest	426,439	498,408	553,815
Cash and cash equivalents	1,536,358	1,604,869	1,869,577
Current portion of restricted cash included in other current assets	12,188	11,135	7,090
Non-current portion of restricted cash included in other assets	908	9,691	9,946
Total cash, cash equivalents, and restricted cash shown in the consolidated statement of cash flows	$ 1,549,454	$ 1,625,695	$ 1,886,613