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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets $ 18,105 $ 18,044
Total financial liabilities 6,523 6,893
Derivatives    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial liabilities 42 56
Level 1 | Derivatives    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial liabilities 0 0
Level 2 | Derivatives    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial liabilities 42 56
Level 3 | Derivatives    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial liabilities 0 0
Cash equivalents    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 1,578 1,897
Cash equivalents | Level 1    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 1,578 1,626
Cash equivalents | Level 2    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 0 271
Cash equivalents | Level 3    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 0 0
Investments in equity instruments    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 25 19
Investments in equity instruments | Level 1    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 0 0
Investments in equity instruments | Level 2    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 0 0
Investments in equity instruments | Level 3    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 25 19
Derivatives    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 166 132
Derivatives | Level 1    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 0 0
Derivatives | Level 2    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 166 132
Derivatives | Level 3    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 0 0
Investments in marketable securities    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 2,047 1,501
Investments in marketable securities | Level 1    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 577 1,189
Investments in marketable securities | Level 2    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets 1,470 312
Investments in marketable securities | Level 3    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Total financial assets $ 0 $ 0