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CASH, CASH EQUIVALENTS, AND INVESTMENTS - Summary of Debt Securities (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Cash and Cash Equivalents [Line Items]
Fair Value, Less than 12 Months	$ 531	$ 497
Unrealized Losses, Less than 12 Months	(5)	(1)
Fair Value, 12 Months or Greater	0	0
Unrealized Losses 12 Months or Greater	0	0
Fair Value, Total	531	497
Unrealized Losses, Total	(5)	(1)
Money market funds
Cash and Cash Equivalents [Line Items]
Fair Value, Less than 12 Months	324	259
Unrealized Losses, Less than 12 Months	0	0
Fair Value, 12 Months or Greater	0	0
Unrealized Losses 12 Months or Greater	0	0
Fair Value, Total	324	259
Unrealized Losses, Total	0	0
Corporate debt securities
Cash and Cash Equivalents [Line Items]
Fair Value, Less than 12 Months	165	207
Unrealized Losses, Less than 12 Months	(5)	(1)
Fair Value, 12 Months or Greater	0	0
Unrealized Losses 12 Months or Greater	0	0
Fair Value, Total	165	207
Unrealized Losses, Total	(5)	(1)
Commercial paper
Cash and Cash Equivalents [Line Items]
Fair Value, Less than 12 Months	28	15
Unrealized Losses, Less than 12 Months	0	0
Fair Value, 12 Months or Greater	0	0
Unrealized Losses 12 Months or Greater	0	0
Fair Value, Total	28	15
Unrealized Losses, Total	0	0
Certificates of deposit
Cash and Cash Equivalents [Line Items]
Fair Value, Less than 12 Months	9	5
Unrealized Losses, Less than 12 Months	0	0
Fair Value, 12 Months or Greater	0	0
Unrealized Losses 12 Months or Greater	0	0
Fair Value, Total	9	5
Unrealized Losses, Total	0	0
Asset-backed securities
Cash and Cash Equivalents [Line Items]
Fair Value, Less than 12 Months	5	7
Unrealized Losses, Less than 12 Months	0	0
Fair Value, 12 Months or Greater	0	0
Unrealized Losses 12 Months or Greater	0	0
Fair Value, Total	5	7
Unrealized Losses, Total	$ 0	0
Sovereign bonds
Cash and Cash Equivalents [Line Items]
Fair Value, Less than 12 Months		4
Unrealized Losses, Less than 12 Months		0
Fair Value, 12 Months or Greater		0
Unrealized Losses 12 Months or Greater		0
Fair Value, Total		4
Unrealized Losses, Total		$ 0

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