Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Oct. 20, 2022
Cover [Abstract]
Entity Registrant Name	Hexcel Corporation
Entity Central Index Key	0000717605
Document Type	10-Q
Document Period End Date	Sep. 30, 2022
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		84,171,313
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Entity Shell Company	false
Entity Current Reporting Status	Yes
Entity File Number	1-8472
Entity Tax Identification Number	94-1109521
Entity Address, Address Line One	Two Stamford Plaza
Entity Address, Address Line Two	281 Tresser Boulevard
Entity Address, City or Town	Stamford
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06901-3238
City Area Code	(203)
Local Phone Number	969-0666
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	DE
Document Quarterly Report	true
Document Transition Report	false
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	HXL
Security Exchange Name	NYSE