Business and Basis of Presentation (Interim Consolidated Statement of Operations and Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 01, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
REVENUES
Other Income (loss)		$ 267,208	$ 83,256	$ 83,560
Realized investment gains (losses), net		(5,295,406)	(62,976)	(116,749)
TOTAL REVENUES		(2,542,353)	1,123,264	949,364
BENEFITS AND EXPENSES
Policyholders’ benefits		655,910	298,149	153,074
Interest credited to policyholders’ account balances		114,585	(233,375)	(187,229)
General, administrative and other expenses		523,925	(383,043)	(336,959)
TOTAL BENEFITS AND EXPENSES		359,518	1,055,129	790,580
INCOME (LOSS) FROM OPERATIONS BEFORE INCOME TAXES		(2,901,871)	68,135	158,784
Income tax expense (benefit)		(691,439)	(130,248)	(59,132)
NET INCOME (LOSS)		$ (2,209,730)	$ 196,697	$ 216,999
Variable annuity | Impacts of Recapture
REVENUES
Other Income (loss)	$ (1,000)
Realized investment gains (losses), net	(4,953,000)
TOTAL REVENUES	(4,954,000)
BENEFITS AND EXPENSES
Policyholders’ benefits	257,000
Interest credited to policyholders’ account balances	(399,000)
General, administrative and other expenses	(1,272,000)
TOTAL BENEFITS AND EXPENSES	(1,414,000)
INCOME (LOSS) FROM OPERATIONS BEFORE INCOME TAXES	(3,540,000)
Income tax expense (benefit)	(743,000)
NET INCOME (LOSS)	$ (2,797,000)