DAC AND OTHER DEFERRED ASSETS/LIABILITIES - Reconciliation of DAC (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025	Dec. 31, 2024
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	$ 7,638	$ 7,523
Other
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	19	19
Retirement \| GMxB Core
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	1,569	1,587	$ 1,599	$ 1,605
Retirement \| EQUI-VEST Individual
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	152	153	154	154
Retirement \| Investment Edge
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	301	273	250	225
Retirement \| SCS
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	2,413	2,274	2,107	1,938
Retirement \| EQUI-VEST Group
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	795	789	776	768
Retirement \| Momentum
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	76	79	80	83
Corporate & Other \| Term
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	265	288	301	314
Corporate & Other \| UL
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	164	167	171	170
Corporate & Other \| VUL
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	1,161	1,143	1,122	1,083
Corporate & Other \| IUL
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	177	181	186	186
Corporate & Other \| GMxB Legacy
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	452	472	494	517
Corporate & Other \| CB
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	94	98	103	107
Corporate Segment
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	$ 7,619	$ 7,504	$ 7,343	$ 7,150