v3.26.3
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
Sep. 30, 2026
Dec. 31, 2025
Assets    
Money market funds $ 17,318 $ 4,998
Other investments 1 1
Not accounted for as hedges    
Assets    
Derivatives 1 3
Liabilities    
Derivatives 1 0
Cash flow hedges | Accounted for as hedges    
Assets    
Derivatives 21 42
Liabilities    
Derivatives 21 27
Net investment hedges | Accounted for as hedges    
Assets    
Derivatives 5 0
Liabilities    
Derivatives 2 0
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Assets    
Money market funds 17,318 4,998
Other investments 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Not accounted for as hedges    
Assets    
Derivatives 0 0
Liabilities    
Derivatives 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash flow hedges | Accounted for as hedges    
Assets    
Derivatives 0 0
Liabilities    
Derivatives 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Net investment hedges | Accounted for as hedges    
Assets    
Derivatives 0 0
Liabilities    
Derivatives 0 0
Significant Other Observable Inputs (Level 2)    
Assets    
Money market funds 0 0
Other investments 1 1
Significant Other Observable Inputs (Level 2) | Not accounted for as hedges    
Assets    
Derivatives 1 3
Liabilities    
Derivatives 1 0
Significant Other Observable Inputs (Level 2) | Cash flow hedges | Accounted for as hedges    
Assets    
Derivatives 21 42
Liabilities    
Derivatives 21 27
Significant Other Observable Inputs (Level 2) | Net investment hedges | Accounted for as hedges    
Assets    
Derivatives 5 0
Liabilities    
Derivatives 2 0
Significant Unobservable Inputs (Level 3)    
Assets    
Money market funds 0 0
Other investments 0 0
Significant Unobservable Inputs (Level 3) | Not accounted for as hedges    
Assets    
Derivatives 0 0
Liabilities    
Derivatives 0 0
Significant Unobservable Inputs (Level 3) | Cash flow hedges | Accounted for as hedges    
Assets    
Derivatives 0 0
Liabilities    
Derivatives 0 0
Significant Unobservable Inputs (Level 3) | Net investment hedges | Accounted for as hedges    
Assets    
Derivatives 0 0
Liabilities    
Derivatives $ 0 $ 0