Adoption of ASU 2018-12 (Summary of Effect on Previously Reported 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
Cash Flows from Operating Activities
Net income (loss)	$ (956)	$ (172)	$ (1,884)	$ 218
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss	3,252	(148)	3,646	(508)
Market risk benefit (gain) loss	$ (1,238)	716	(168)	830
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads deferrals			321	248
Accrued investment income			(8)	(40)
Insurance liabilities and reinsurance-related balances			(1,029)	(258)
Accrued expenses			(55)	(344)
Federal income tax accruals			(593)	11
Other			$ (120)	110
Accounting Standards Update 2018-12 [Member] | As Previously Reported [Member]
Cash Flows from Operating Activities
Net income (loss)		443		901
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss		(70)		(327)
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads deferrals				(10)
Insurance liabilities and reinsurance-related balances				(198)
Accrued expenses				(340)
Federal income tax accruals				192
Other				89
Accounting Standards Update 2018-12 [Member] | Restatement Impacts [Member]
Cash Flows from Operating Activities
Net income (loss)		(615)		(683)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss		(78)		(181)
Market risk benefit (gain) loss		$ 716		830
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads deferrals				258
Insurance liabilities and reinsurance-related balances				(60)
Accrued expenses				(4)
Federal income tax accruals				(181)
Other				$ 21