Adoption of ASU 2018-12 (Summary of Restated Consolidated Statements of Cash Flows) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net income (loss)	$ 511	$ 840	$ (370)	$ 2,321
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss	1,784	(1,101)	2,612	(1,282)
Market risk benefit (gain) loss	$ (2,023)	477	(1,404)	(881)
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads			317	244
Insurance liabilities and reinsurance-related balances			(1,578)	1,670
Accrued expenses			(68)	(375)
Federal income tax accruals			(198)	599
Other			(146)	14
Net cash provided by operating activities			(252)	2,365
Deposits of fixed account balances			7,524	7,420
Withdrawals of fixed account balances			(5,076)	(3,556)
Transfers from (to) separate accounts, net			(381)	142
Net cash provided by (used in) financing activities			$ 1,859	3,338
Accounting Standards Update 2018-12 [Member]
Net income (loss)		840
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss		(1,101)
Market risk benefit (gain) loss		477
Accounting Standards Update 2018-12 [Member] | As Previously Reported [Member]
Net income (loss)		228		319
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss		(515)		(540)
Change in:
Insurance liabilities and reinsurance-related balances				2,837
Accrued expenses				(371)
Federal income tax accruals				69
Other				(4)
Accounting Standards Update 2018-12 [Member] | Restatement Impacts [Member]
Net income (loss)		612		2,002
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss		(586)		(742)
Market risk benefit (gain) loss		$ 477		(881)
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads				244
Insurance liabilities and reinsurance-related balances				(1,167)
Accrued expenses				(4)
Federal income tax accruals				530
Other				$ 18