CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash Flows From Operating Activities:
Net income (loss)	$ 988,853	$ 1,323,014
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	344,564	376,775
Realized and unrealized losses (gains) on investments and derivatives and other	(56,440)	14,269
Non-cash, stock-based compensation	30,492	19,921
Deferred tax expense (benefit)	247,060	352,665
Changes in allowance for credit losses	(9,232)	(22,591)
Change in long-term deferred revenue and other long-term liabilities	61,690	(17,025)
Other, net	134,438	21,375
Changes in current assets and current liabilities, net	(275,128)	183,496
Net cash flows from operating activities	1,466,297	2,251,899
Cash Flows From Investing Activities:
Purchases of marketable investment securities	(57,681)	(1,278,320)
Sales and maturities of marketable investment securities	2,929,427	502,538
Purchases of property and equipment	(1,286,181)	(378,071)
Capitalized interest related to FCC authorizations (Note 2)	(508,065)	(399,145)
Refund of FCC authorization deposit		337,490
Purchases of FCC authorizations, including deposits (Note 10)	(7,206,757)
Other, net	3,615	(42,989)
Net cash flows from investing activities	(6,125,642)	(1,258,497)
Cash Flows From Financing Activities:
Repayment of long-term debt and finance lease obligations	(42,928)	(35,895)
Redemption and repurchases of senior notes	(301,331)	(2,000,000)
Proceeds from issuance of senior notes		1,500,000
Early debt extinguishment costs	(1,126)	(3,368)
Net proceeds from Class A common stock options exercised and stock issued under the Employee Stock Purchase Plan	9,065	25,093
Debt issuance costs		(9,819)
Other, net	(6,107)	(12,063)
Net cash flows from financing activities	(342,427)	(536,052)
Net increase (decrease) in cash, cash equivalents, restricted cash and cash equivalents	(5,001,772)	457,350
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)	$ 2,732,488	$ 3,911,344