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

12 Months Ended

Dec. 31, 2019

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,		December 31,
	2019		2018
	(In thousands)
Marketable investment securities:
Current marketable investment securities:
Strategic - available-for-sale	$	196	$	193
Strategic - trading/equity (Note 2)		—		2,370
Other		416,508		1,178,908
Total current marketable investment securities		416,704		1,181,471
Restricted marketable investment securities (1)		390		67,019
Total marketable investment securities		417,094		1,248,490
Restricted cash and cash equivalents (1)		60,677		578
Other investment securities:
Other investment securities		160,074		118,992
Total other investment securities		160,074		118,992
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	637,845	$	1,368,060

(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,
	2019								2018
	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	$	10,016	$	32	$	—	$	32	$	66,823	$	40	$	(19)	$	21
Commercial paper		369,397		2		—		2		367,488		—		—		—
Corporate securities		28,796		4		(1)		3		805,259		91		(899)		(808)
Other		8,885		58		—		58		6,550		56		(2)		54
Total	$	417,094	$	96	$	(1)	$	95	$	1,246,120	$	187	$	(920)	$	(733)

Schedule of fair value measurements

	As of
	December 31, 2019								December 31, 2018
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	2,436,545	$	246,876	$	2,189,669	$	—	$	859,220	$	30,858	$	828,362	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	10,016	$	10,016	$	—	$	—	$	66,823	$	66,823	$	—	$	—
Commercial paper		369,397		—		369,397		—		367,488		—		367,488		—
Corporate securities		28,796		—		28,796		—		805,259		—		805,259		—
Other		8,885		—		8,689		196		6,550		—		6,357		193
Equity securities		—		—		—		—		2,370		2,370		—		—
Total	$	417,094	$	10,016	$	406,882	$	196	$	1,248,490	$	69,193	$	1,179,104	$	193

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

	For the Years Ended December 31,
Other, net:	2019		2018		2017
	(In thousands)
Marketable investment securities - realized and unrealized gains (losses)	$	4,604	$	8,165	$	90,979
Non-marketable investment securities - gains (losses) on sales/exchanges		—		—		10,488
Costs related to early redemption of debt		(483)		(3,261)		(1,470)
Gain (loss) on sale of subsidiary		—		7,004		—
Equity in earnings of affiliates		(3,714)		(2,110)		2,163
Other		11,117		2,003		2,328
Total	$	11,524	$	11,801	$	104,488