Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2026

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended September 30,		Nine Months Ended September 30,
	2026	2025	2026	2025
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	75	(1,357)	247	(1,169)
Earnings (loss) from discontinued operations	(1)	—	(4)	(15)
Net earnings (loss)	74	(1,357)	243	(1,184)
Weighted average shares - basic	109,820,213	109,565,996	109,753,986	109,504,912
Incremental shares attributable to equity awards(1)	380,621	—	378,708	—
Weighted average shares - diluted	110,200,834	109,565,996	110,132,694	109,504,912

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(1)Excludes anti-dilutive incremental shares attributable to equity awards as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2026	2025	2026	2025
	(In shares )
Options to purchase shares of Common Stock	989,102	731,008	938,906	671,183
Equity award shares	40,729	57,590	25,470	67,716