v3.25.3

Cover Page	Oct. 28, 2025
Entity Information [Line Items]
Entity Information, Former Legal or Registered Name	N/A
Document Type	8-K
Document Period End Date	Oct. 28, 2025
Entity Registrant Name	CELANESE CORPORATION
Entity Incorporation, State or Country Code	DE
Entity File Number	001-32410
Entity Tax Identification Number	98-0420726
Entity Address, Address Line One	222 West Las Colinas Blvd. Suite 900N
Entity Address, City or Town	Irving
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75039
City Area Code	972
Local Phone Number	443-4000
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	false
Entity Central Index Key	0001306830
Amendment Flag	false
Common Stock, par value $0.0001 per share
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	CE
Security Exchange Name	NYSE
4.777% Senior Notes due 2026
Entity Information [Line Items]
Title of 12(b) Security	4.777% Senior Notes due 2026
Trading Symbol	CE /26A
Security Exchange Name	NYSE
2.125% Senior Notes due 2027
Entity Information [Line Items]
Title of 12(b) Security	2.125% Senior Notes due 2027
Trading Symbol	CE /27
Security Exchange Name	NYSE
0.625% Senior Notes due 2028
Entity Information [Line Items]
Title of 12(b) Security	0.625% Senior Notes due 2028
Trading Symbol	CE /28
Security Exchange Name	NYSE
5.337% Senior Notes due 2029
Entity Information [Line Items]
Title of 12(b) Security	5.337% Senior Notes due 2029
Trading Symbol	CE /29A
Security Exchange Name	NYSE
5.000% Senior Notes due 2031
Entity Information [Line Items]
Title of 12(b) Security	5.000% Senior Notes due 2031
Trading Symbol	CE /31
Security Exchange Name	NYSE

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Area code of city

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Address Line 1 such as Attn, Building Name, Street Name

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Name of the City or Town

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Code for the postal or zip code

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Name of the state or province.

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- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
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Indicate if registrant meets the emerging growth company criteria.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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Two-character EDGAR code representing the state or country of incorporation.

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Former Legal or Registered Name of an entity

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2

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- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
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Local phone number for entity.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Exchange Act
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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Title of a 12(b) registered security.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Name of the Exchange on which a security is registered.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Trading symbol of an instrument as listed on an exchange.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Section 425

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Celanese Corp 8-K