CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Total revenue	$ 12,378,208	$ 12,761,863	$ 12,727,629
Costs and Expenses (exclusive of depreciation):
Cost of services	7,527,563	7,852,934	7,916,036
Cost of sales - equipment and other	79,905	87,578	104,470
Selling, general and administrative expenses	1,593,723	1,442,897	1,440,553
Depreciation and amortization	354,361	439,004	504,638
Total costs and expenses	9,555,552	9,822,413	9,965,697
Operating income (loss)	2,822,656	2,939,450	2,761,932
Other Income (Expense):
Interest income	440,412	36,458	3,548
Interest expense, net of amounts capitalized	(871,530)	(683,803)	(682,506)
Other, net	4,466	(820)	1,686
Total other income (expense)	(426,652)	(648,165)	(677,272)
Income (loss) before income taxes	2,396,004	2,291,285	2,084,660
Income tax (provision) benefit, net	(585,259)	(554,413)	(500,358)
Net income (loss)	1,810,745	1,736,872	1,584,302
Comprehensive Income (Loss):
Net income (loss)	1,810,745	1,736,872	1,584,302
Other comprehensive income (loss):
Foreign currency translation adjustments	(1,245)	(402)	(401)
Unrealized holding gains (losses) on available-for-sale debt securities	107	(122)	2
Deferred income tax (expense) benefit, net	(45)	67	43
Total other comprehensive income (loss), net of tax	(1,183)	(457)	(356)
Comprehensive income (loss)	1,809,562	1,736,415	1,583,946
Service revenue
Revenue:
Total revenue	12,273,150	12,649,285	12,576,470
Equipment sales and other revenue
Revenue:
Total revenue	$ 105,058	$ 112,578	$ 151,159