| Document and Entity Information | Jun. 01, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | Equitable Financial Life Insurance Co |
| Amendment Flag | false |
| Entity Central Index Key | 0000727920 |
| Document Type | 8-K |
| Document Period End Date | Jun. 1, 2021 |
| Entity Incorporation State Country Code | NY |
| Entity File Number | 000-20501 |
| Entity Tax Identification Number | 13-5570651 |
| Entity Address, Address Line One | 1290 Avenue of the Americas |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10104 |
| City Area Code | (212) |
| Local Phone Number | 554-1234 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
