Cover Page - shares	9 Months Ended
	Sep. 30, 2020	Oct. 26, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
Document Transition Report	false
Entity File Number	001-38441
Entity Registrant Name	ChampionX Corp
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	82-3066826
Entity Address, Address Line One	2445 Technology Forest Blvd,
Entity Address, Address Line Two	Building 4, 12th Floor
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	403-5772
Security 12b Title	Common stock, $0.01 par value
Trading Symbol	CHX
Security Exchange Name	NYSE
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		199,833,331
Entity Central Index Key	0001723089
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false