DAC AND OTHER DEFERRED ASSETS/LIABILITIES - Reconciliation of DAC (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	$ 824	$ 760	$ 688	$ 672	$ 587
VUL
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	421	410	373	361
IUL
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	295	296	297	297
GMxB Core
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	48	40	18	14
Investment Edge
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	6	1	0	0
SCS
Deferred Policy Acquisition Cost [Line Items]
Deferred policy acquisition costs	$ 54	$ 13	$ 0	$ 0