COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) saleAndDisclosurePractice	May 31, 2021 USD ($)	Feb. 29, 2016 USD ($) legalAction federalAction
Loss Contingencies [Line Items]
Unaccrued amounts of reasonably possible range of losses	$ 250
Number of sales and disclosure practices under investigation | saleAndDisclosurePractice	457
Federal home loan bank stock	$ 311
Carrying value of collateral pledged for federal home loan bank	12,500
Commitments by the Company to provide equity financing	1,200
Commitments under existing mortgage loan agreements	863
Letter of Credit
Loss Contingencies [Line Items]
Undrawn balance	17
Trust Notes
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity		$ 10,000
Equitable Financial
Loss Contingencies [Line Items]
Number of federal actions | federalAction			5
Equitable Financial | New York
Loss Contingencies [Line Items]
Number of actions | legalAction			2
Brach Family Foundation Litigation
Loss Contingencies [Line Items]
Liability for future policy benefits, face value of policy			$ 1
Sales and Disclosure Practices
Loss Contingencies [Line Items]
Civil monetary penalty	$ 50