CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash Flows From Operating Activities:
Net income (loss)	$ 465,662	$ 988,853
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	511,707	344,564
Realized and unrealized losses (gains) on investments, derivatives and other	(32,524)	(56,440)
Non-cash, stock-based compensation	21,931	30,492
Deferred tax expense (benefit)	135,882	247,060
Changes in allowance for credit losses	667	(9,232)
Change in long-term deferred revenue and other long-term liabilities	8,997	61,690
Other, net	99,290	134,438
Changes in current assets and current liabilities, net	138,204	(275,128)
Net cash flows from operating activities	1,349,816	1,466,297
Cash Flows From Investing Activities:
Purchases of marketable investment securities	(1,150,568)	(57,681)
Sales and maturities of marketable investment securities	1,253,987	2,929,427
Purchases of property and equipment	(1,576,360)	(1,286,181)
Capitalized interest related to FCC authorizations (Note 2)	(581,766)	(508,065)
Purchases of FCC authorizations, including deposits	(1,771)	(7,206,757)
Other, net	1,967	3,615
Net cash flows from investing activities	(2,054,511)	(6,125,642)
Cash Flows From Financing Activities:
Repayment of long-term debt and finance lease obligations	(51,055)	(42,928)
Redemption and repurchases of senior notes	(1,443,179)	(301,331)
Proceeds from issuance of senior notes	1,500,000
Redemption of convertible notes	(139,002)
Early debt extinguishment gains (losses)	68,086	(1,126)
Net proceeds from Class A common stock options exercised and stock issued under the Employee Stock Purchase Plan	6,153	9,065
Debt issuance costs and debt (discount) premium	21,635
Other, net	(4,710)	(6,107)
Net cash flows from financing activities	(42,072)	(342,427)
Net increase (decrease) in cash, cash equivalents, restricted cash and cash equivalents	(746,767)	(5,001,772)
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)	$ 1,101,214	$ 2,732,488