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

3 Months Ended

Mar. 31, 2021

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
	March 31,		December 31,
	2021		2020
	(In thousands)
Marketable investment securities:
Current marketable investment securities:
Strategic - available-for-sale	$	194	$	195
Other		135,291		362,758
Total current marketable investment securities		135,485		362,953
Restricted marketable investment securities (1)		11,347		24,467
Total marketable investment securities		146,832		387,420
Restricted cash and cash equivalents (1)		96,957		83,902
Other investment securities:
Other investment securities		152,719		149,706
Total other investment securities		152,719		149,706
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	396,508	$	621,028

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

Schedule of fair value measurements

	As of
	March 31, 2021								December 31, 2020
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	4,354,289	$	63,388	$	4,290,901	$	—	$	3,330,296	$	363,123	$	2,967,173	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	2,500	$	2,500	$	—	$	—	$	65,992	$	65,992	$	—	$	—
Commercial paper		139,781		—		139,781		—		298,435		—		298,435		—
Corporate securities		2,900		—		2,900		—		22,552		—		22,552		—
Other		1,651		—		1,457		194		441		—		246		195
Total	$	146,832	$	2,500	$	144,138	$	194	$	387,420	$	65,992	$	321,233	$	195

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

	For the Three Months Ended
	March 31,
Other, net:	2021		2020
	(In thousands)
Marketable investment securities - realized and unrealized gains (losses)	$	317	$	58
Derivative instruments - net realized and/or unrealized gains (losses)		(4,000)		—
Costs related to early redemption of debt		(2,600)		—
Equity in earnings (losses) of affiliates		817		867
Other		205		667
Total	$	(5,261)	$	1,592