v3.25.3
Fair Value Measurements (Details) - Financial Instruments - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Financial Instruments    
Short-term securities $ 6,798 $ 4,766
Carrying Value [Member]    
Financial Instruments    
Short-term securities 6,798 4,766
Debt 9,167 7,933
Commercial paper 100 100
Fair Value [Member]    
Financial Instruments    
Short-term securities 6,798 4,766
Debt 8,597 7,095
Commercial paper 100 100
Fair Value [Member] | Level 1 [Member]    
Financial Instruments    
Short-term securities 1,139 1,933
Debt 0 0
Commercial paper 0 0
Fair Value [Member] | Level 2 [Member]    
Financial Instruments    
Short-term securities 5,612 2,788
Debt 8,597 7,095
Commercial paper 100 100
Fair Value [Member] | Level 3 [Member]    
Financial Instruments    
Short-term securities 47 45
Debt 0 0
Commercial paper $ 0 $ 0