COVER - shares	9 Months Ended
	Sep. 30, 2023	Oct. 23, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	1-11442
Entity Registrant Name	CHART INDUSTRIES, INC.
Entity Incorporation, State	DE
Entity Tax Identification Number	34-1712937
Street Address	2200 Airport Industrial Drive, Suite 100
Entity City or Town	Ball Ground
Entity State or Province	GA
Entity Postal Zip Code	30107
City Area Code	770
Local Phone Number	721-8800
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		42,750,623
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Entity Central Index Key	0000892553
Current Fiscal Year End Date	--12-31
Common Stock
Document Information [Line Items]
Title of each class	Common Stock, par value $0.01
Trading Symbol(s)	GTLS
Name of each exchange on which registered	NYSE
Convertible preferred stock
Document Information [Line Items]
Title of each class	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(s)	GTLS.PRB
Name of each exchange on which registered	NYSE