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

9 Months Ended

Sep. 30, 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
	September 30,		December 31,
	2019		2018
	(In thousands)
Marketable investment securities:
Current marketable investment securities:
Strategic - available-for-sale	$	185	$	193
Strategic - trading/equity (Note 2)		5		2,370
Other		190,844		1,178,908
Total current marketable investment securities		191,034		1,181,471
Restricted marketable investment securities (1)		390		67,019
Total marketable investment securities		191,424		1,248,490
Restricted cash and cash equivalents (1)		60,461		578
Other investment securities:
Other investment securities		159,590		118,992
Total other investment securities		159,590		118,992
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	411,475	$	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 Condensed Consolidated Balance Sheets.

Schedule of components of available-for-sale investments

	As of September 30, 2019								As of December 31, 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	$	22,254	$	69	$	—	$	69	$	66,823	$	40	$	(19)	$	21
Commercial paper		140,000		—		—		—		367,488		—		—		—
Corporate securities		28,254		33		—		33		805,259		91		(899)		(808)
Other		911		55		(8)		47		6,550		56		(2)		54
Total	$	191,419	$	157	$	(8)	$	149	$	1,246,120	$	187	$	(920)	$	(733)

Schedule of fair value measurements

	As of
	September 30, 2019								December 31, 2018
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	1,384,935	$	518,453	$	866,482	$	—	$	859,220	$	30,858	$	828,362	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	22,254	$	22,254	$	—	$	—	$	66,823	$	66,823	$	—	$	—
Commercial paper		140,000		—		140,000		—		367,488		—		367,488		—
Corporate securities		28,254		—		28,254		—		805,259		—		805,259		—
Other		911		—		726		185		6,550		—		6,357		193
Equity securities		5		5		—		—		2,370		2,370		—		—
Total	$	191,424	$	22,259	$	168,980	$	185	$	1,248,490	$	69,193	$	1,179,104	$	193

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