POLICYHOLDER ACCOUNT BALANCES - Reconciliation of Separate Account Liabilities to Separate Account Liability Balance (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	$ 125,406	$ 121,497
VUL | Protection Solutions
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	14,826	13,694	$ 12,984	$ 11,535
GMxB Legacy | Legacy Segment
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	33,965	33,793	34,070	32,616
GMxB Core | Legacy Segment
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	27,336	27,664
GMxB Core | Individual Retirement
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	27,336	27,664	27,805	27,017
EQUI-VEST Individual | Individual Retirement
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	4,787	4,584	4,524	4,162
Investment Edge
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	4,188	4,048
Investment Edge | Individual Retirement
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	4,188	4,048	3,980	3,772
EQUI-VEST Group | Group Retirement
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	29,226	26,960	25,459	22,393
Momentum | Group Retirement
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	4,701	4,421	$ 4,301	$ 3,884
Other | Other
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	$ 6,377	$ 6,333