Adoption of ASU 2018-12 (Summary of Effect on Previously Reported Consolidated Balance Sheets) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2020
Assets
Deferred acquisition costs, value of business acquired and deferred sales inducements	$ 12,304	$ 12,263
Reinsurance recoverables, net of allowance for credit losses	21,172	21,264
Market risk benefit assets	3,445	2,807
Other assets	20,917	19,926
Total assets	347,522	335,663
Liabilities
Future contract benefits	39,245	38,302
Market risk benefit liabilities	1,976	2,078
Deferred front-end loads	5,244	5,045
Other liabilities	17,587	14,657
Total liabilities	337,319	327,059
Stockholder’s Equity
Retained earnings	381	1,414
Accumulated other comprehensive income (loss)	(3,100)	(5,713)
Total stockholder’s equity	$ 10,203	8,604	$ 19,775
Accounting Standards Update 2018-12 [Member]
Assets
Reinsurance recoverables, net of allowance for credit losses				$ 20,713
Liabilities
Future contract benefits				42,044
Deferred front-end loads				3,586
Stockholder’s Equity
Total stockholder’s equity			19,775
Accounting Standards Update 2018-12 [Member] | As Previously Reported [Member]
Assets
Deferred acquisition costs, value of business acquired and deferred sales inducements		13,873
Reinsurance recoverables, net of allowance for credit losses		23,910		17,550
Other assets		21,080
Total assets		338,266
Liabilities
Future contract benefits		41,203		38,318
Deferred front-end loads		5,695		$ 396
Other liabilities		16,125
Total liabilities		330,000
Stockholder’s Equity
Retained earnings		2,436
Accumulated other comprehensive income (loss)		(7,073)
Total stockholder’s equity		8,266	18,300
Accounting Standards Update 2018-12 [Member] | Restatement Impacts [Member]
Assets
Deferred acquisition costs, value of business acquired and deferred sales inducements		(1,610)
Reinsurance recoverables, net of allowance for credit losses		(2,646)
Market risk benefit assets		2,807
Other assets		(1,154)
Total assets		(2,603)
Liabilities
Future contract benefits		(2,901)
Market risk benefit liabilities		2,078
Deferred front-end loads		(650)
Other liabilities		(1,468)
Total liabilities		(2,941)
Stockholder’s Equity
Retained earnings		(1,022)
Accumulated other comprehensive income (loss)		1,360
Total stockholder’s equity		$ 338	$ 1,475