v3.25.2
Fair Value of Financial Instruments (Details) - Fair value measurements, nonrecurring - Fair value inputs, Level 2 - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Carrying Amount    
Fair Value Disclosure    
Liabilities—Long-term debt (excluding finance leases) $ 1,924 $ 1,924
Fair Value    
Fair Value Disclosure    
Liabilities—Long-term debt (excluding finance leases) $ 1,471 $ 1,462