DAC AND OTHER DEFERRED ASSETS/LIABILITIES - Reconciliation of DAC (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	$ 4,738	$ 4,759
Term | Protection Solutions
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	332	338
UL | Protection Solutions
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	24	22
VUL | Protection Solutions
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	200	182
GMxB Core | Individual Retirement
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	1,459	1,483
EQUI-VEST Individual | Individual Retirement
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	148	150
Investment Edge | Individual Retirement
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	149	150
SCS | Individual Retirement
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	1,280	1,282
GMxB Legacy | Legacy Segment
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	207	208
EQUI-VEST Group | Group Retirement
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	724	723
Momentum | Group Retirement
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	80	82
Closed Block | Corporate and Others
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	114	117
Others | Corporate and Others
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	$ 21	$ 22