CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows From Operating Activities:
Net income (loss)	$ 348,823	$ 1,418,438
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	806,504	519,300
Realized and unrealized losses (gains) on investments, derivatives and other	118,109	(117,382)
Non-cash, stock-based compensation	29,488	56,965
Deferred tax expense (benefit)	95,526	351,640
Changes in allowance for credit losses	7,275	(1,903)
Change in long-term deferred revenue and other long-term liabilities	18,786	47,666
Other, net	129,637	182,127
Changes in current assets and current liabilities, net	163,948	(315,348)
Net cash flows from operating activities	1,718,096	2,141,503
Cash Flows From Investing Activities:
Purchases of marketable investment securities	(1,368,964)	(125,532)
Sales and maturities of marketable investment securities	1,942,010	2,984,627
Purchases of property and equipment	(2,326,883)	(1,831,146)
Capitalized interest related to FCC authorizations (Note 2)	(747,743)	(756,289)
Purchases of FCC authorizations, including deposits	(1,802)	(7,206,865)
Other, net	5,115	5,219
Net cash flows from investing activities	(2,498,267)	(6,929,986)
Cash Flows From Financing Activities:
Repayment of long-term debt and finance lease obligations	(95,789)	(64,564)
Redemption and repurchases of senior notes	(1,451,250)	(2,000,000)
Proceeds from issuance of senior notes	1,500,000
Repurchases of convertible notes	(182,834)
Early debt extinguishment gains (losses)	72,566	(1,138)
Net proceeds from Class A common stock options exercised and stock issued under the Employee Stock Purchase Plan	8,617	13,774
Debt issuance costs and debt (discount) premium	21,635
Other, net	(4,670)	(8,667)
Net cash flows from financing activities	(131,725)	(2,060,595)
Net increase (decrease) in cash, cash equivalents, restricted cash and cash equivalents	(911,896)	(6,849,078)
Cash, cash equivalents, restricted cash and cash equivalents, beginning of period (Note 5)	1,847,981	7,734,260
Cash, cash equivalents, restricted cash and cash equivalents, end of period (Note 5)	$ 936,085	$ 885,182