DAC AND OTHER DEFERRED ASSETS/LIABILITIES - Reconciliation of DAC (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	$ 7,584	$ 7,523
Other
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	21	19
Retirement \| GMxB Core
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	1,584	1,587	$ 1,604	$ 1,605
Retirement \| EQUI-VEST Individual
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	153	153	154	154
Retirement \| Investment Edge
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	285	273	236	225
Retirement \| SCS
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	2,343	2,274	2,018	1,938
Retirement \| EQUI-VEST Group
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	792	789	771	768
Retirement \| Momentum
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	78	79	82	83
Corporate & Other \| Term
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	273	288	307	314
Corporate & Other \| UL
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	165	167	172	170
Corporate & Other \| VUL
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	1,153	1,143	1,102	1,083
Corporate & Other \| IUL
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	179	181	186	186
Corporate & Other \| GMxB Legacy
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	462	472	504	517
Corporate & Other \| CB
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	96	98	105	107
Corporate Segment
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	$ 7,563	$ 7,504	$ 7,241	$ 7,150