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

12 Months Ended

Dec. 31, 2020

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,
	2020		2019
	(In thousands)
Marketable investment securities:
Current marketable investment securities:
Strategic - available-for-sale	$	195	$	196
Other		362,758		416,508
Total current marketable investment securities		362,953		416,704
Restricted marketable investment securities (1)		24,467		390
Total marketable investment securities		387,420		417,094
Restricted cash and cash equivalents (1)		83,902		60,677
Other investment securities:
Other investment securities		149,706		160,074
Total other investment securities		149,706		160,074
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	621,028	$	637,845

(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 components of available-for-sale investments

	As of December 31,
	2020								2019
	Marketable								Marketable
	Investment		Unrealized						Investment		Unrealized
	Securities		Gains		Losses		Net		Securities		Gains		Losses		Net
	(In thousands)
Debt securities (including restricted):
U.S. Treasury and agency securities	$	65,992	$	3	$	—	$	3	$	10,016	$	32	$	—	$	32
Commercial paper		298,435		—		—		—		369,397		2		—		2
Corporate securities		22,552		1		—		1		28,796		4		(1)		3
Other		441		—		—		—		8,885		58		—		58
Total	$	387,420	$	4	$	—	$	4	$	417,094	$	96	$	(1)	$	95

Schedule of fair value measurements

	As of December 31,
	2020								2019
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	3,330,296	$	363,123	$	2,967,173	$	—	$	2,436,545	$	246,876	$	2,189,669	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	65,992	$	65,992	$	—	$	—	$	10,016	$	10,016	$	—	$	—
Commercial paper		298,435		—		298,435		—		369,397		—		369,397		—
Corporate securities		22,552		—		22,552		—		28,796		—		28,796		—
Other		441		—		246		195		8,885		—		8,689		196
Total	$	387,420	$	65,992	$	321,233	$	195	$	417,094	$	10,016	$	406,882	$	196

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

	For the Years Ended December 31,
Other, net:	2020		2019		2018
	(In thousands)
Marketable investment securities - realized and unrealized gains (losses)	$	178	$	4,604	$	8,165
Derivative instruments - net realized and/or unrealized gains (losses)		(22,000)		—		—
Costs related to early redemption of debt		—		(483)		(3,261)
Gain (loss) on sale of subsidiary		—		—		7,004
Equity in earnings (losses) of affiliates		410		(3,714)		(2,110)
Other		1,248		11,117		2,003
Total	$	(20,164)	$	11,524	$	11,801