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Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Fair Value Disclosures [Abstract]      
Estimated fair value of long-term debt $ 2,310 $ 2,270 $ 2,310
Carrying value of long-term debt $ 2,350 $ 2,350 $ 2,350