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Document and Entity Information
Nov. 11, 2025
Document And Entity Information [Line Items]  
Entity Registrant Name CHART INDUSTRIES INC
Amendment Flag false
Entity Central Index Key 0000892553
Document Type 8-K
Document Period End Date Nov. 11, 2025
Entity Incorporation State Country Code DE
Entity File Number 001-11442
Entity Tax Identification Number 34-1712937
Entity Address, Address Line One 8665 New Trails Drive
Entity Address, Address Line Two Suite 100
Entity Address, City or Town The Woodlands
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77381
City Area Code (281)
Local Phone Number 364-8700
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, par value $0.01
Trading Symbol GTLS
Security Exchange Name NYSE
Series B Preferred Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Depositary shares, each representing 1/20th interest in a share of 6.75% Series B Mandatory Convertible Preferred Stock, par value $0.01
Trading Symbol GTLS.PRB
Security Exchange Name NYSE