| COVER | Aug. 04, 2021 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 4, 2021 |
| Entity Registrant Name | Equitable Holdings, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-38469 |
| Entity Tax Identification Number | 90-0226248 |
| 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 |
| Amendment Flag | false |
| Entity Central Index Key | 0001333986 |
| Common Stock | New York Stock Exchange | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | EQH |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1,000th interest in a share of Fixed Rate Noncumulative Perpetual Preferred Stock, Series A | New York Stock Exchange | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Depositary Shares, each representing a 1/1,000th interest in a share of Fixed Rate Noncumulative Perpetual Preferred Stock, Series A |
| Trading Symbol | EQH PR A |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing a 1/1,000th interest in a share of Fixed Rate Noncumulative Perpetual Preferred Stock, Series C | New York Stock Exchange | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Depositary Shares, each representing a 1/1,000th interest in a share of Fixed Rate Noncumulative Perpetual Preferred Stock, Series C |
| Trading Symbol | EQH PR C |
| Security Exchange Name | NYSE |
