Share-Based Awards -Schedule of Effects of Share Based Compensation in Consolidated Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	$ 88	$ 99	$ 169	$ 196
Income Statement Location [Axis]: us-gaap:CostsAndExpenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	2	3	4	6
Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	28	37	58	75
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	31	40	64	78
Income Statement Location [Axis]: us-gaap:RestructuringCosts
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	13	0	13	0
Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	$ 14	$ 19	$ 30	$ 37