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Fair Value Measurements - Fair Value of Other Financial Instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Fair value disclosures    
Long-term debt $ 2,176 $ 2,181
Carrying Amount    
Fair value disclosures    
Long-term debt 2,176 2,181
Estimated Fair Value    
Fair value disclosures    
Long-term debt $ 1,985 $ 1,955