Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net income	$ 215,260	$ 223,973	$ 438,870	$ 461,457
Unrealized gains (losses) on fixed maturities:
Total unrealized investment gains (losses)	(294,471)	(2,018,116)	216,805	(4,314,784)
Less applicable tax (expense) benefit	61,836	423,810	(45,532)	906,109
Unrealized gains (losses) on investments, net of tax	(232,635)	(1,594,306)	171,273	(3,408,675)
Future Policy Benefits:
Change in discount rate on future policy benefits	306,211	2,791,287	(414,679)	5,596,798
Less applicable tax (expense) benefit	(64,305)	(586,174)	87,082	(1,175,330)
Future policy benefit adjustments, net of tax	241,906	2,205,113	(327,597)	4,421,468
Foreign exchange translation:
Foreign exchange translation adjustments, other than securities	10,358	(18,409)	3,842	(14,181)
Less applicable tax (expense) benefit	(2,176)	3,865	(808)	2,978
Foreign exchange translation adjustments, other than securities, net of tax	8,182	(14,544)	3,034	(11,203)
Pension:
Pension adjustments	(323)	3,441	(371)	6,878
Less applicable tax (expense) benefit	66	(723)	77	(1,445)
Pension adjustments, net of tax	(257)	2,718	(294)	5,433
Other comprehensive income (loss)	17,196	598,981	(153,584)	1,007,023
Comprehensive income (loss)	232,456	822,954	285,286	1,468,480
Securities
Unrealized gains (losses) on fixed maturities:
Unrealized holding gains (losses) arising during period	(333,329)	(2,042,210)	135,790	(4,335,132)
Other reclassification adjustments included in net income	49,425	22,259	82,015	18,229
Foreign exchange adjustment on fixed maturities recorded at fair value	$ (10,567)	$ 1,835	$ (1,000)	$ 2,119