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Cover page - shares
 9 Months Ended
Sep. 30, 2022
Nov. 01, 2022
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2022  
Document Transition Report false  
Entity File Number 001-37586  
Entity Registrant Name INGEVITY CORPORATION  
(State or other jurisdiction of incorporation or organization) DE  
(I.R.S. Employer Identification No.) 47-4027764  
Entity Address, Address Line One 4920 O'Hear Avenue Suite 400  
Entity Address, City or Town North Charleston  
Entity Address, State or Province SC  
(Zip code) 29405  
City Area Code 843  
Local Phone Number 740-2300  
Title of 12(b) Security Common Stock ($0.01 par value)  
Trading Symbol(s) NGVT  
Name of each exchange on which registered NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Large accelerated filer Large Accelerated Filer  
Smaller reporting company false  
Emerging growth company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   37,371,629
Amendment Flag false  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001653477  
Current Fiscal Year End Date --12-31