Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities (Tables)

12 Months Ended

Dec. 31, 2022

Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities

Schedule of marketable investment securities, restricted cash and cash equivalents, and other investment securities

	As of December 31,
	2022		2021
	(In thousands)
Marketable investment securities:
Current marketable investment securities:
Strategic - available-for-sale	$	144	$	152
Strategic - trading/equity		655		1,895
Other		835,184		2,973,471
Total current marketable investment securities		835,983		2,975,518
Restricted marketable investment securities (1)		41,689		28,696
Total marketable investment securities		877,672		3,004,214
Restricted cash and cash equivalents (1)		62,925		5,306,072
Other investment securities:
Other investment securities		168,200		150,941
Total other investment securities		168,200		150,941
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	1,108,797	$	8,461,227

(1) Restricted marketable investment securities and restricted cash and cash equivalents are included in “Restricted cash, cash equivalents and marketable investment securities” on our Consolidated Balance Sheets.

Schedule of fair value measurements

	As of December 31,
	2022								2021
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	1,620,458	$	174,050	$	1,446,408	$	—	$	7,592,696	$	83,302	$	7,509,394	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	22,824	$	22,824	$	—	$	—	$	—	$	—	$	—	$	—
Commercial paper		696,324		—		696,324		—		2,533,875		—		2,533,875		—
Corporate securities		156,380		—		156,380		—		462,999		—		462,999		—
Other		1,489		—		1,345		144		5,445		—		5,293		152
Equity securities		655		655		—		—		1,895		1,895		—		—
Total	$	877,672	$	23,479	$	854,049	$	144	$	3,004,214	$	1,895	$	3,002,167	$	152

Schedule of gains and losses on sales and changes in carrying amounts of investments and other

	For the Years Ended December 31,
Other, net:	2022		2021		2020
	(In thousands)
Marketable investment securities - realized and unrealized gains (losses)	$	(1,241)	$	(3,137)	$	178
Derivative instruments - net realized and/or unrealized gains (losses) (1)		1,015,387		(13,000)		(22,000)
Non-marketable investment securities - gains (losses)		27,427		—		—
Costs related to early redemption of debt		(922)		(3,587)		—
Equity in earnings (losses) of affiliates		2,616		(1,051)		410
Other		(4,285)		41,332		1,248
Total	$	1,038,982	$	20,557	$	(20,164)

(1) The change in the derivative’s fair value was primarily driven by Level 3 current market data indicative of pricing of similar assets and an increase in our probability of exercising the option, which resulted in an increase in our estimate of our derivative’s underlying asset value. See above for further information on our valuation of derivative instruments.