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FAIR VALUE MEASUREMENTS - Amortized Cost Basis, Unrealized Gains and Losses and Fair Values of Investments in Available-for-sale Securities (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Short-term cash investments	$ 8	$ 6
Debt securities
Debt Securities, Available-for-sale [Line Items]
Cost Basis	303	301
Unrealized Gains	0	1
Unrealized Losses	(32)	(27)
Fair Value	$ 271	$ 275

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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