REVISION OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS - Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)	$ (15)	$ (20)	$ (15)	$ (2)	$ (35)	$ (17)			$ (20)	$ (10)
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Amortization and depreciation							$ 51	$ 33			$ 98
Changes in:
Future policy benefits					17	29	9	19	(24)	(17)	(21)
Reinsurance recoverable					(12)	(75)	(37)	(89)	(120)	(108)
Current and deferred income taxes		(3)		30	(1)	26	(4)	24	24	(28)
Other, net		74		11	106	2			(4)	(9)	7
Net cash provided by (used in) operating activities		9		(11)	(39)	(144)	(161)	(255)	(385)	(348)	(341)
Proceeds from the sale/maturity/prepayment of:
Other							1	0
Net cash provided by (used in) investing activities							(379)	(209)
Cash flows from financing activities:
Deposits							540	467	636	578
Withdrawals							(72)	(63)	(89)	(78)
Net cash provided by (used in) financing activities							$ 443	$ 363	550	811
As Previously Reported
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)	(13)	(19)	(14)	1	(32)	(13)			(13)	(9)
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Amortization and depreciation											99
Changes in:
Future policy benefits					4	12			(20)	(34)	(20)
Reinsurance recoverable					1	(58)			19	19
Current and deferred income taxes		(3)		30	(2)	26			25	(28)
Other, net		73		8	104	(2)			(13)	(10)	5
Net cash provided by (used in) operating activities		9		(11)	(39)	(144)			(250)	(204)	(341)
Cash flows from financing activities:
Deposits									776	712
Withdrawals									(364)	(357)
Net cash provided by (used in) financing activities									415	667
Impact of Revisions
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)	$ (2)	(1)	$ (1)	(3)	(3)	(4)			(7)	(1)
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Amortization and depreciation											(1)
Changes in:
Future policy benefits					13	17			(4)	17	(1)
Reinsurance recoverable					(13)	(17)			(139)	(127)
Current and deferred income taxes		0		0	1	0			(1)	0
Other, net		1		3	2	4			9	1	2
Net cash provided by (used in) operating activities		$ 0		$ 0	$ 0	$ 0			(135)	(144)	$ 0
Cash flows from financing activities:
Deposits									(140)	(134)
Withdrawals									275	279
Net cash provided by (used in) financing activities									$ 135	$ 144