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DEBT - Net Carrying Value Of The Convertible Notes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Debt Instrument [Line Items]
Principal Amount	$ 2,699			$ 2,699
Repayment upon maturity				(505)	$ (1,039)
2022 Convertible Notes
Debt Instrument [Line Items]
Repayment upon maturity	(230)
Convertible notes \| 2022 Convertible Notes
Debt Instrument [Line Items]
Principal Amount	0		$ 230	0		$ 230
Unamortized Debt Discount	0		(5)	0		(5)
Unamortized debt issuance costs	0			0		(1)
Long-term debt	0		225	0		224
Amortization of debt issuance costs	0	$ 0	1	1	1
Fair value of conversion option transferred to other liabilities			(5)
Amortization of debt discount	5	1		5	5
Repayment upon maturity	(230)
Carrying amount of equity component, net of issuance costs						33
Convertible notes \| 2022 Convertible Notes \| Debt Discount
Debt Instrument [Line Items]
Fair value of conversion option transferred to other liabilities			(5)
Convertible notes \| 2022 Convertible Notes \| Other Liabilities
Debt Instrument [Line Items]
Fair value of conversion option transferred to other liabilities			$ 5
Convertible notes \| 2022 Convertible Notes \| Cumulative effect, period of adoption, adjustment
Debt Instrument [Line Items]
Unamortized Debt Discount						5
Long-term debt						5
Carrying amount of equity component, net of issuance costs						(33)
Convertible notes \| 2022 Convertible Notes \| Cumulative effect, period of adoption, adjusted balance
Debt Instrument [Line Items]
Principal Amount						230
Unamortized debt issuance costs						(1)
Long-term debt						229
Carrying amount of equity component, net of issuance costs						0
Convertible notes \| 2026 Convertible Notes
Debt Instrument [Line Items]
Principal Amount	575			575		575
Unamortized Debt Discount	0			0		(104)
Unamortized debt issuance costs	(11)			(11)		(10)
Long-term debt	564			564		461
Amortization of debt issuance costs	1	1		2	2
Amortization of debt discount	$ 0	$ 6		$ 0	$ 16
Carrying amount of equity component, net of issuance costs						$ 117