Fair Value Measurements and Financial Instruments - Schedule of Assets and Liabilities that are Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Assets
Money market funds	$ 4,998	$ 3,419
Other investments	1	1
Gross foreign exchange contracts	$ 45	$ 40
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other income (expense)	Other income (expense)
Liabilities
Gross foreign exchange contracts	$ 27	$ 16
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other income (expense)	Other income (expense)
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Money market funds	$ 4,998	$ 3,419
Other investments	0	0
Gross foreign exchange contracts	0	0
Liabilities
Gross foreign exchange contracts	0	0
Significant Other Observable Inputs (Level 2)
Assets
Money market funds	0	0
Other investments	1	1
Gross foreign exchange contracts	45	40
Liabilities
Gross foreign exchange contracts	27	16
Significant Unobservable Inputs (Level 3)
Assets
Money market funds	0	0
Other investments	0	0
Gross foreign exchange contracts	0	0
Liabilities
Gross foreign exchange contracts	$ 0	$ 0