v3.26.3
Fair Value Measurements and Disclosures - Assets Measured on Recurring Basis or Disclosed at Fair Value (Details) - Recurring Fair Value Measurements [Member] - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure $ 268 $ 278
Investments, Fair Value Measurement or Disclosure 1,132 878
Long-term bank deposits and notes 670 678
Total equity investments 54 72
Total assets, Fair Value Measurement or Disclosure 2,124 1,906
Level 1 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure 1 136
Investments, Fair Value Measurement or Disclosure 640 162
Total equity investments 39 57
Total assets, Fair Value Measurement or Disclosure 680 355
Level 2 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure 267 142
Investments, Fair Value Measurement or Disclosure 492 716
Long-term bank deposits and notes 670 678
Total assets, Fair Value Measurement or Disclosure 1,429 1,536
Level 3 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Total equity investments 15 15
Total assets, Fair Value Measurement or Disclosure 15 15
Time Deposits [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure 157  
Investments, Fair Value Measurement or Disclosure 251 420
Long-term bank deposits and notes 339 352
Time Deposits [Member] | Level 2 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure 157  
Investments, Fair Value Measurement or Disclosure 251 420
Long-term bank deposits and notes 339 352
Variable Return Investments [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, Fair Value Measurement or Disclosure 640 162
Long-term bank deposits and notes 156 151
Variable Return Investments [Member] | Level 1 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, Fair Value Measurement or Disclosure 640 162
Variable Return Investments [Member] | Level 2 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Long-term bank deposits and notes 156 151
Fixed Income Debt Securities [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure [1] 110 185
Investments, Fair Value Measurement or Disclosure [1] 91 200
Long-term bank deposits and notes 150 [1] 150
Fixed Income Debt Securities [Member] | Level 1 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure [1]   43
Fixed Income Debt Securities [Member] | Level 2 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure [1] 110 142
Investments, Fair Value Measurement or Disclosure [1] 91 200
Long-term bank deposits and notes 150 [1] 150
Money Market Funds [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure 1 93
Money Market Funds [Member] | Level 1 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents, Fair Value Measurement or Disclosure 1 93
Structured Deposits [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, Fair Value Measurement or Disclosure 150 96
Long-term bank deposits and notes 25 25
Structured Deposits [Member] | Level 2 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, Fair Value Measurement or Disclosure 150 96
Long-term bank deposits and notes 25 25
Investment in Equity Securities [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Total equity investments 39 57
Investment in Equity Securities [Member] | Level 1 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Total equity investments 39 57
Investment in Available-For-Sale Debt Securities [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Total equity investments 15 15
Investment in Available-For-Sale Debt Securities [Member] | Level 3 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Total equity investments $ 15 $ 15
[1] Classified as held-to-maturity investments and measured at amortized cost.