Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (3,169,265)	$ (989,327)	$ 1,682,716
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Policy charges and fee income	249	(813)	(2,686)
Realized investment (gains) losses, net	5,260,940	2,681,320	(884,073)
Depreciation and amortization	(3)	865	7,905
Interest credited to policyholders’ account balances	180,160	161,209	249,175
Change in:
Future policy benefits	1,251,451	1,110,089	1,095,204
Accrued investment income	(18,880)	(11,829)	(2,564)
Net receivables from/payables to parent and affiliates	(7,370)	1,463	(3,163)
Deferred sales inducements	(1,088)	(790)	(2,885)
Deferred policy acquisition costs	64,862	(139,774)	216,799
Income taxes	(539,218)	(438,541)	204,634
Reinsurance recoverables, net	(36,705)	(3,524)	(33,703)
Derivatives, net	(1,753,629)	(193,119)	131,874
Other, net	(60,413)	38,037	167,939
Cash flows from (used in) operating activities	1,171,091	2,215,266	2,827,172
Proceeds from the sale/maturity/prepayment of:
Fixed maturities, available-for-sale	708,254	852,596	2,534,470
Fixed maturities, trading	391,557	149	99,656
Equity securities	30,830	8,807	7,896
Commercial mortgage and other loans	33,321	265,657	143,331
Policy loans	1,435	1,439	675
Other invested assets	43,213	27,065	29,103
Short-term investments	8,209,495	1,109,061	984,409
Payments for the purchase/origination of:
Fixed maturities, available-for-sale	(4,445,138)	(3,538,800)	(2,230,936)
Fixed maturities, trading	(1,068,178)	(54,862)	(231,316)
Equity securities	(241,755)	(52,244)	(14,221)
Commercial mortgage and other loans	(311,670)	(382,407)	(125,007)
Policy loans	(167)	(295)	(187)
Other invested assets	(176,496)	(169,863)	(167,930)
Short-term investments	(8,192,050)	(1,406,312)	(311,277)
Notes receivable from parent and affiliates, net	579	(15,442)	3,518
Derivatives, net	522,640	(18,334)	1,073
Other, net	0	0	(69)
Cash flows from (used in) investing activities	(4,494,130)	(3,373,785)	723,188
CASH FLOWS FROM FINANCING ACTIVITIES:
Policyholders’ account deposits	6,666,325	4,012,627	3,150,952
Ceded policyholders’ account deposits	(35,440)	(16,068)	(47,449)
Policyholders’ account withdrawals	(4,032,737)	(3,320,216)	(2,727,850)
Ceded policyholders' account withdrawals	37,612	35,566	30,341
Cash collateral for loaned securities	0	(384)	(16,999)
Repayments of debt (maturities longer than 90 days)	0	(274,569)	(43,734)
Net increase/(decrease) in short-term borrowing	(242,094)	7,916	0
Drafts outstanding	8,857	(7,503)	(7,026)
Distribution to parent	(760,000)	(977,500)	(1,025,000)
Other, net	(45,436)	(9,721)	0
Cash flows from (used in) financing activities	1,597,087	(549,852)	(686,765)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(1,725,952)	(1,708,371)	2,863,595
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	2,795,163	4,503,534	1,639,939
CASH AND CASH EQUIVALENTS, END OF YEAR	1,069,211	2,795,163	4,503,534
SUPPLEMENTAL CASH FLOW INFORMATION
Income taxes paid (refund)	(326,503)	147,441	(43,130)
Interest paid	$ 24,942	$ 26,719	$ 33,901