POLICYHOLDER ACCOUNT BALANCES - Reconciliation of Separate Account Liabilities to Separate Account Liability Balance (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	$ 125,807	$ 121,497
VUL
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	15,571	13,694	$ 11,535
GMxB Legacy
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	33,199	33,793	32,616
GMxB Core
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	26,339	27,664	27,017
EQUI-VEST Individual
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	4,782	4,584	4,162
Investment Edge
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	4,265	4,048	3,772
EQUI-VEST Group
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	30,478	26,960	22,393
Momentum
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	4,813	4,421	$ 3,884
Other
Liability for Future Policy Benefit, Activity [Line Items]
Separate Accounts liabilities	$ 6,360	$ 6,333