Debt (Tables)

12 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Schedule of Short-term Debt

	As of December 31,
	2025	2024
	(In $ millions)
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Current installments of long-term debt	1,114	1,393
Short-term borrowings, including amounts due to affiliates(1)	47	53
Revolving credit facilities(2)	43	55
Total	1,204	1,501

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(1)The weighted average interest rate was 2.2% and 2.1% as of December 31, 2025 and 2024, respectively.

(2)The weighted average interest rate was 3.1% and 3.1% as of December 31, 2025 and 2024, respectively.

Schedule of Long-term Debt

	As of December 31,
	2025	2024
	(In $ millions)
Long-Term Debt
Senior unsecured notes due 2025, interest rate of 1.250%	—	311
Senior unsecured notes due 2025, interest rate of 6.050%	—	1,000
Senior unsecured notes due 2026, interest rate of 5.277%(1)	526	1,040
Senior unsecured notes due 2026, interest rate of 1.400%	400	400
Senior unsecured notes due 2027, interest rate of 2.125%	587	518
Senior unsecured notes due 2027, interest rate of 6.665%(1)	554	2,000
Senior unsecured term loan due 2027(2)	—	880
Senior unsecured notes due 2028, interest rate of 0.625%	587	519
Senior unsecured notes due 2028, interest rate of 6.850%(1)	746	1,000
Senior unsecured notes due 2029, interest rate of 5.587%(1)	588	519
Senior unsecured notes due 2029, interest rate of 6.830%(1)	750	750
Senior unsecured notes due 2030, interest rate of 6.500%	700	—
Senior unsecured notes due 2030, interest rate of 7.050%(1)	999	999
Senior unsecured notes due 2031, interest rate of 7.000%	600	—
Senior unsecured notes due 2031, interest rate of 5.000%	881	—
Senior unsecured notes due 2032, interest rate of 6.879%(1)	1,000	1,000
Senior unsecured notes due 2033, interest rate of 7.200%(1)	1,000	1,000
Senior unsecured notes due 2033, interest rate of 6.750%	1,100	—
Senior unsecured notes due 2034, interest rate of 7.375%	800	—
Pollution control and industrial revenue bonds due at various dates through 2030(3)	85	126
Bank loans due at various dates through 2030(4)	582	320
Obligations under finance leases due at various dates through 2054	129	145
Subtotal	12,614	12,527
Unamortized deferred financing costs(5)	(106)	(56)
Current installments of long-term debt	(1,114)	(1,393)
Total	11,394	11,078

______________________________

(1)In November 2024, S&P Global Ratings downgraded the Company's credit rating and on February 12, 2025, Moody's Ratings downgraded the Company's credit rating, which together had the effect of increasing interest rates by 50 basis points on certain senior unsecured notes, effective on various dates beginning May 15, 2025 through January 19, 2026.

On November 17, 2025, S&P Global Ratings downgraded the Company's credit rating and on November 25, 2025, Moody's Ratings downgraded the Company's credit rating, which together will have the effect of increasing interest rates for certain senior unsecured notes by an additional 50 basis points, effective on various dates beginning January 15, 2026 through May 15, 2026.

(2)Consisted of a $1.0 billion senior unsecured term loan credit agreement entered into in March 2022 (as amended to date, the "March 2022 U.S. Term Loan Credit Facility") and a $1.0 billion senior unsecured term loan credit agreement entered into in November 2024 (the "November 2024 U.S. Term Loan Credit Facility"). The interest rate on the March 2022 U.S. Term Loan Credit Facility was 6.047% as of December 31, 2024. Both facilities were fully repaid and terminated as of December 31, 2025.

(3)Interest rates range from 4.1% to 4.3% and 4.1% to 5.0% as of December 31, 2025 and 2024, respectively.

(4)The weighted average interest rate was 2.4% and 2.8% as of December 31, 2025 and 2024, respectively.

(5)Related to the Company's long-term debt, excluding obligations under finance leases.

Schedule of Balances Available for Borrowing

Certain of the Company's subsidiaries in China have outstanding senior unsecured bank obligations (collectively, the "China Credit Facilities") as follows:

Subsidiary	Maturity	Borrowing Capacity		Interest Rate	As of December 31, 2025
		(In CNY millions)		(In percentages)	(In CNY millions)	(In $ millions)
Celanese (Shanghai) International Trading Co., Ltd ("CSIT")	January 13, 2026	550	(1)	2.700	300	43
Celanese (Nanjing) Chemical Co., Ltd. ("CNCC")	December 25, 2026	800	(2)	2.340	800	114
CNCC	June 17, 2027	200	(2)	2.340	170	25
CNCC	June 28, 2027	800	(2)	2.340	680	97
CNCC	December 21, 2027	500	(3)	2.440	450	64
CNCC	March 6, 2028	750	(2)	2.340	722	103
CNCC	June 9, 2028	1,000	(2)	2.350	872	125
CNCC	July 3, 2028	300	(2)	2.340	300	43
Total					4,294	614

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(1)Revolving credit facility guaranteed by Celanese U.S. (the "CSIT Revolving Credit Facility"), which bears interest at a fixed rate and is classified as current in the consolidated balance sheets. The CSIT Revolving Credit Facility was fully repaid on January 13, 2026.

(2)Senior unsecured working capital loan bearing interest at certain floating interest rates.

(3)Senior unsecured working capital loan bearing interest at a fixed interest rate.

The Company's debt balances and amounts available for borrowing under its senior unsecured revolving credit facilities are as follows:

	As of December 31, 2025
	(In $ millions)
U.S. Revolving Credit Facility
Borrowings outstanding	—
Available for borrowing	1,750
China Revolving Credit Facilities
Borrowings outstanding	43
Available for borrowing	50

Schedule of Senior Unsecured Notes Offering

On December 17, 2025, Celanese U.S. completed a public offering registered under the Securities Act of senior unsecured notes as follows (collectively, the "December 2025 Offering"):

Maturity Date	Aggregate Principal Amount Issued	Offering Price	Interest Rate
	(In millions)
February 15, 2031	$600	100.000%	7.000%
February 15, 2034	$800	100.000%	7.375%

On March 14, 2025, Celanese U.S. completed a public offering registered under the Securities Act of senior unsecured notes as follows (collectively, the "March 2025 Offering"):

Maturity Date	Aggregate Principal Amount Issued	Offering Price	Interest Rate
	(In millions)
April 15, 2030	$700	100.000%	6.500%
April 15, 2031	€750	100.000%	5.000%
April 15, 2033	$1,100	100.000%	6.750%

Schedule of Cash Tender Offer

On December 17, 2025, Celanese U.S. completed cash tender offers (the "December 2025 Tender Offers") as follows:

Maturity Date	Aggregate Principal Amount Tendered	Purchase price per $1,000 principal amount	Total Tender Offer Consideration
	(In millions)		(In millions)
July 15, 2027	$946	$1,037.50	$981
November 15, 2028	$254	$1,055.00	$268

On March 21, 2025, Celanese U.S. completed cash tender offers (the "March 2025 Tender Offers") as follows:

Maturity Date	Aggregate Principal Amount Tendered	Purchase price per $/€1,000 principal amount	Total Tender Offer Consideration
	(In millions)		(In millions)
July 19, 2026	€552	€1,026.68	€567
July 15, 2027	$500	$1,031.10	$516

Schedule of Principal Payments

Principal payments scheduled to be made on the Company's debt, including short-term borrowings, are as follows:

	As of December 31, 2025
	(In $ millions)
2026	1,204
2027	1,357
2028	1,564
2029	1,356
2030	1,800
Thereafter	5,423
Total	12,704