Cover page	9 Months Ended
	Sep. 30, 2020 shares
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
Document Transition Report	false
Entity File Number	001-38694
Entity Registrant Name	LIVENT CORPORATION
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	82-4699376
Entity Address, Address Line One	2929 Walnut Street
Entity Address, City or Town	Philadelphia
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19104
City Area Code	215
Local Phone Number	299-5900
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	LTHM
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	146,302,517
Entity Central Index Key	0001742924
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false