POLICYHOLDER ACCOUNT BALANCES - Reconciliation of Policyholders Account Balances to Policyholders' Account Balance Liability (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Liability for Future Policy Benefit, Activity [Line Items]
Balance (exclusive of Funding Agreements)	$ 70,903	$ 68,097
Funding Agreements	13,711	14,893
Balance, end of period	84,614	82,990
UL
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	5,129	5,202
VUL
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	4,165	4,145
GMxB Legacy
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	595	618
GMxB Core
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	(8)	(5)
SCS
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	43,344	40,649
EQUI-VEST Individual
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	2,182	2,322
EQUI-VEST Group
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	11,369	11,563
Momentum
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	575	608
Other
Liability for Future Policy Benefit, Activity [Line Items]
Policyholder Account Balance	$ 3,552	$ 2,995