Subsequent Events	6 Months Ended
Jun. 30, 2025
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On August 11, 2025, Celanese, Celanese U.S. and certain subsidiaries entered into a new revolving credit agreement consisting of a $1.75 billion senior unsecured revolving credit facility (with a letter of credit sublimit), maturing in 2030, which replaced the U.S. Revolving Credit Facility. The margin for borrowings under the new revolving credit facility is 1.00% to 2.00% (or between 0.00% and 1.00% in the case of U.S. dollar base rate borrowings) above certain interbank rates at current Company credit ratings. Also on August 11, 2025, the Company amended the March 2022 U.S. Credit Agreement, pursuant to which lenders provided the 5-year Term Loans, maturing in 2027, to, among other things, add or modify financial ratio covenants and other provisions.

Subsequent Events

6 Months Ended

Jun. 30, 2025

On August 11, 2025, Celanese, Celanese U.S. and certain subsidiaries entered into a new revolving credit agreement consisting of a $1.75 billion senior unsecured revolving credit facility (with a letter of credit sublimit), maturing in 2030, which replaced the U.S. Revolving Credit Facility. The margin for borrowings under the new revolving credit facility is 1.00% to 2.00% (or between 0.00% and 1.00% in the case of U.S. dollar base rate borrowings) above certain interbank rates at current Company credit ratings.

Also on August 11, 2025, the Company amended the March 2022 U.S. Credit Agreement, pursuant to which lenders provided the 5-year Term Loans, maturing in 2027, to, among other things, add or modify financial ratio covenants and other provisions.