v3.26.1
Financial Instruments - Schedule of Fair Value Measurement (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Noncurrent investments $ 3,116 $ 2,802
Carrying Amount    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 2,383 4,392
Short-term investments 146 105
Equity investments without readily determinable fair values 912 846
Equity method investments 1,336 1,288
Noncurrent investments 3,116 2,802
Carrying Amount | Available-for-Sale Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 13 16
Noncurrent investments 360 360
Carrying Amount | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 133 89
Noncurrent investments 60 85
Carrying Amount | Marketable equity securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable equity securities 448 223
Cost    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 2,383 4,392
Cost | Available-for-Sale Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 13 16
Noncurrent investments 371 368
Cost | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 133 89
Noncurrent investments 29 54
Cost | Marketable equity securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable equity securities 445 292
Fair Value Measurements Using    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 2,383 4,392
Fair Value Measurements Using | Available-for-Sale Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 13 16
Noncurrent investments 360 360
Fair Value Measurements Using | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 133 89
Noncurrent investments 60 85
Fair Value Measurements Using | Marketable equity securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable equity securities 448 223
Fair Value Measurements Using | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 2,383 4,392
Fair Value Measurements Using | Quoted Prices in Active Markets for Identical Assets (Level 1) | Available-for-Sale Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 2 9
Noncurrent investments 72 69
Fair Value Measurements Using | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 0 0
Noncurrent investments 0 0
Fair Value Measurements Using | Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable equity securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable equity securities 448 223
Fair Value Measurements Using | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 0 0
Fair Value Measurements Using | Significant Other Observable Inputs (Level 2) | Available-for-Sale Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 11 7
Noncurrent investments 288 291
Fair Value Measurements Using | Significant Other Observable Inputs (Level 2) | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 30 12
Noncurrent investments 2 2
Fair Value Measurements Using | Significant Other Observable Inputs (Level 2) | Marketable equity securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable equity securities 0 0
Fair Value Measurements Using | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 0 0
Fair Value Measurements Using | Significant Unobservable Inputs (Level 3) | Available-for-Sale Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 0 0
Noncurrent investments 0 0
Fair Value Measurements Using | Significant Unobservable Inputs (Level 3) | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 103 78
Noncurrent investments 58 83
Fair Value Measurements Using | Significant Unobservable Inputs (Level 3) | Marketable equity securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable equity securities $ 0 $ 0