Fair Value Measurements - Fair Value of Other Financial Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Fair value disclosures
Total debt	$ 2,651	$ 2,161
Current maturities	575	575
Long-term debt	2,076	1,586
Carrying Amount
Fair value disclosures
Total debt	2,651	2,161
Current maturities	575	575
Long-term debt	2,076	1,586
Estimated Fair Value
Fair value disclosures
Total debt	2,508	2,015
Current maturities	568	565
Long-term debt	$ 1,940	$ 1,450

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