Debt (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) lineOfCredit financialInstitution	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 01, 2020 USD ($)
Short-term Debt [Line Items]
Proceeds from debt, net	$ 235,000,000	$ 80,000,000	$ 115,000,000
Credit Facility
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	800,000,000
Credit facility, possible aggregate incremental limit increase	200,000,000
Amounts outstanding under credit facility	0	0
Proceeds from debt, net	0	$ 0
Credit Facility | SCB LLC
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	$ 315,000,000
Number of uncommitted lines of credit | lineOfCredit	5
Number of financial institutions offering lines of credit | financialInstitution	5
Number of financial institutions with stated limits | lineOfCredit	4
Commercial Paper
Short-term Debt [Line Items]
Weighted average interest rates on average daily borrowings	1.50%	0.20%
Short-term debt outstanding	$ 0	$ 0
Average daily borrowings	$ 189,900,000	$ 157,000,000
Uncommitted Lines of Credit
Short-term Debt [Line Items]
Line of credit facility interest rate	3.70%	0.90%
Short-term debt outstanding	$ 0	$ 0
Average daily borrowings	$ 1,400,000	$ 47,000
EQH
Short-term Debt [Line Items]
Weighted average interest rates on average daily borrowings	4.30%
Average daily borrowings	$ 700,000
Revolving Credit Facility
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	200,000,000
Credit Facility | Revolving Credit Facility
Short-term Debt [Line Items]
Line of credit facility interest rate		1.10%
Average daily borrowings		$ 13,300,000
EQH
Short-term Debt [Line Items]
Amounts outstanding under credit facility	$ 900,000,000	$ 755,000,000
Line of credit facility interest rate	4.30%	0.20%
Average daily borrowings	$ 655,200,000	$ 404,600,000
Weighted average interest rates on average daily borrowings	1.70%	0.20%
EQH | Revolving Credit Facility
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	$ 900,000,000
EQH Uncommitted Facility
Short-term Debt [Line Items]
Line of credit facility interest rate	4.30%
EQH Uncommitted Facility | Revolving Credit Facility
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity				$ 300,000,000
Amounts outstanding under credit facility	$ 90,000,000
Proceeds from debt, net	$ 0