| Document and Entity Information | Jun. 07, 2022 |
| Document and Entity Information [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jun. 7, 2022 |
| Entity Registrant Name | LOYALTY VENTURES INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-40776 |
| Entity Tax Identification Number | 87-1353472 |
| Entity Address, Address Line One | 8235 DOUGLAS AVENUE |
| Entity Address, Adress Line Two | SUITE 1200 |
| Entity Address, City or Town | DALLAS |
| Entity Address State Or Province | TX |
| Entity Address, Postal Zip Code | 75225 |
| City Area Code | 972 |
| Local Phone Number | 338-5170 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, par value $0.01 per share |
| Trading Symbol | LYLT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
| Entity Central Index Key | 0001870997 |
| Amendment Flag | false |
