Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Securities pledged, amortized costs	$ 845	$ 894
Common stock, par value	$ 50
Common stock, shares issued	55,000
Fixed maturities, amortized cost	$ 20,985	22,218
Common stock, shares authorized	100,000
Available-for-sale, Debt Securities, Excluding Securities Valued at Fair Value Option	$ 18,131	19,772
Fixed maturities, at fair value using the fair value option	1,230	1,255
Equity Securities, FV-NI, Current	123	133
Other Short-Term Investments	186	248
Mortgage loans on real estate, net	4,129	4,213
Policy loans	161	159
Limited partnerships/corporations	1,085	1,043
Derivatives	328	322
Other investments	127	132
Investments	26,218	28,069
Cash and cash equivalents	154	220
Short-term investments under securities loan agreements, including collateral delivered	753	939
Accrued investment income	309	289
Premiums and Other Receivables, Net	2,811	3,032
Deferred policy acquisition costs and Value of business acquired	923	938
Deferred Income Tax Assets, Net	888	774
Other assets (net of allowance for credit loss of $0 as of 2023 and 2022)	1,690	1,681
Assets held in separate accounts	82,861	77,639
Total assets	116,607	113,581
Future policy benefits and contract owner account balances	31,213	32,942
Payables under securities loan agreements, including collateral held	779	921
Derivatives	305	331
Other liabilities	797	687
Liabilities related to separate accounts	82,861	77,639
Liabilities	116,070	112,654
Common Stock, Value, Issued	3	3
Additional paid-in capital	2,770	2,778
Accumulated other comprehensive income (loss)	(2,407)	(2,067)
Retained earnings (deficit)	171	213
Total shareholder's equity	537	927
Liabilities and Equity	116,607	113,581
Allowance for Credit Loss, Receivable, Other, Current	0
Reinsurance Recoverable, Allowance for Credit Loss	0
Debt Securities, Available-for-sale, Allowance for Credit Loss	14	7
Less: Allowance for credit losses	$ 24	$ 14