Fair Value Measurements - Fair Value of Other Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Fair value disclosures
Total debt	$ 3,535	$ 2,161
Current maturities	0	(575)
Long-term debt, excluding current maturities	3,535	1,586
Carrying Amount
Fair value disclosures
Total debt	3,535	2,161
Current maturities	0	(575)
Long-term debt, excluding current maturities	3,535	1,586
Estimated Fair Value
Fair value disclosures
Total debt	3,395	2,015
Current maturities	0	(565)
Long-term debt, excluding current maturities	$ 3,395	$ 1,450

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