CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash Flows From Operating Activities:
Net income (loss)	$ 1,418,438	$ 1,890,534
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	519,300	554,066
Realized and unrealized losses (gains) on investments, derivatives and other	(117,382)	23,283
Non-cash, stock-based compensation	56,965	36,664
Deferred tax expense (benefit)	351,640	517,822
Changes in allowance for credit losses	(1,903)	(24,389)
Change in long-term deferred revenue and other long-term liabilities	47,666	(13,446)
Other, net	182,127	36,028
Changes in current assets and current liabilities, net	(315,348)	239,105
Net cash flows from operating activities	2,141,503	3,259,667
Cash Flows From Investing Activities:
Purchases of marketable investment securities	(125,532)	(3,894,347)
Sales and maturities of marketable investment securities	2,984,627	1,273,156
Purchases of property and equipment	(1,831,146)	(711,955)
Capitalized interest related to FCC authorizations (Note 2)	(756,289)	(677,356)
Refund of FCC authorization deposit		337,490
Purchases of FCC authorizations, including deposits (Note 10)	(7,206,865)
Other, net	5,219	(163,921)
Net cash flows from investing activities	(6,929,986)	(3,836,933)
Cash Flows From Financing Activities:
Repayment of long-term debt and finance lease obligations	(64,564)	(74,237)
Redemption and repurchases of senior notes	(2,000,000)	(2,000,000)
Proceeds from issuance of senior notes		1,500,000
Early debt extinguishment costs	(1,138)	(3,368)
Net proceeds from Class A common stock options exercised and stock issued under the Employee Stock Purchase Plan	13,774	37,777
Debt issuance costs		(9,819)
Other, net	(8,667)	17,441
Net cash flows from financing activities	(2,060,595)	(532,206)
Net increase (decrease) in cash, cash equivalents, restricted cash and cash equivalents	(6,849,078)	(1,109,472)
Cash, cash equivalents, restricted cash and cash equivalents, beginning of period (Note 5)	7,734,260	3,453,994
Cash, cash equivalents, restricted cash and cash equivalents, end of period (Note 5)	$ 885,182	$ 2,344,522