| Cover | Nov. 04, 2021 | May 03, 2021 | Sep. 30, 2021 |
| Cover [Abstract] | |||
| Document Type | 8-K | ||
| Document Period End Date | Nov. 4, 2021 | ||
| Entity Registrant Name | LIVENT CORPORATION | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity File Number | 001-38694 | ||
| Entity Tax Identification Number | 82-4699376 | ||
| Entity Address, Address Line One | 1818 Market Street | ||
| Entity Address, City or Town | Philadelphia | ||
| Entity Address, State or Province | PA | ||
| Entity Address, Postal Zip Code | 19103 | ||
| 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 | ||
| Written Communications | false | ||
| Soliciting Material | false | ||
| Pre-commencement Tender Offer | false | ||
| Pre-commencement Issuer Tender Offer | false | ||
| Entity Emerging Growth Company | false | ||
| Entity Central Index Key | 0001742924 | ||
| Amendment Flag | false |
