v3.26.1
Fair Value Measurements - Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt investments: $ 542 $ 524
Other equity investments 30 34
Derivatives 182 193
Derivatives (45) (43)
Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 2,324 3,793
Other equity investments 5 9
Derivatives 182 193
Total assets 3,054 4,529
Derivatives (45) (43)
Total liabilities (45) (43)
Fair Value, Recurring | AFS - Commercial paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt investments: 210 163
Fair Value, Recurring | AFS - Corporate notes    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt investments: 306 344
Fair Value, Recurring | AFS - US government agencies    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt investments: 27 27
Fair Value, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 2,324 3,793
Other equity investments 5 9
Total assets 2,329 3,802
Fair Value, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives 182 193
Total assets 725 727
Derivatives (45) (43)
Total liabilities (45) (43)
Fair Value, Recurring | Level 2 | AFS - Commercial paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt investments: 210 163
Fair Value, Recurring | Level 2 | AFS - Corporate notes    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt investments: 306 344
Fair Value, Recurring | Level 2 | AFS - US government agencies    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt investments: $ 27 $ 27