Other Operating (Income) Expense - Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Text Block [Abstract]
Loss on disposal of property, plant and equipment	$ 2	$ 1
Loss on foreign currency transactions	3	2
45Q Tax Credits	(24)	0
Insurance recoveries	(25)	0
Blue Point joint venture development costs	2	0
Other	(2)	11
Total other operating (income) expense—net	$ (44)	$ 14