Cash, Cash Equivalents and Restricted Cash

12 Months Ended

Dec. 31, 2021

Short-Term Investments And Fair Value Measurement [Abstract]

Cash, Cash Equivalents and Restricted Cash

Cash, Cash Equivalents and Restricted Cash

The following tables summarize the Company's cash, cash equivalents and restricted cash as of December 31, 2021 and 2020:

	As of December 31, 2021
	Cash and cash equivalents		Other Current Assets		Non-current Assets		Total
	(in thousands)
Cash	$	4,103,613	$	3,189	$	23,972	$	4,130,774
Level 1 securities:
Money market funds	1,924,191		—		146		1,924,337
	$	6,027,804	$	3,189	$	24,118	$	6,055,111

	As of December 31, 2020
	Cash and cash equivalents		Other Current Assets		Non-current Assets		Total
	(in thousands)
Cash	$	3,331,860	$	1,783	$	31,284	$	3,364,927
Level 1 securities:
Money market funds	4,573,690		—		253		4,573,943
Level 2 securities:
Foreign Time Deposits	300,000		—		—		300,000
	$	8,205,550	$	1,783	$	31,537	$	8,238,870

Other current assets include restricted cash for deposits related to self insurance. Non-current assets include restricted cash related to letter of credit agreements. Foreign time deposits of $300 million, classified as Level 2 securities, were included in Cash and cash equivalents on the Company's Balance Sheet as of December 31, 2020. The fair value of cash equivalents included in the Level 2 category is based on observable inputs, such as quoted prices for similar assets at the measurement date; quoted prices in markets that are not active; or other inputs that are observable, either directly or indirectly.

See Note 6 Debt to the consolidated financial statements for further information regarding the fair value of the Company’s senior notes.