SHARE-BASED COMPENSATION - Share-based Compensation Expense Related to Stock Options, PSUs and RSUs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Components and classification of share-based compensation expense
Share-based compensation expense	$ 37	$ 27	$ 109	$ 85
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
Components and classification of share-based compensation expense
Share-based compensation expense	4	1	11	5
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Components and classification of share-based compensation expense
Share-based compensation expense	33	26	98	80
Stock options
Components and classification of share-based compensation expense
Share-based compensation expense	1	3	6	10
PSUs/RSUs
Components and classification of share-based compensation expense
Share-based compensation expense	$ 36	$ 24	$ 103	$ 75