Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows from Operating Activities
Net income (loss)	$ (1,788)	$ (1,675)	$ 3,297
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss	4,934	(418)	(859)
Market risk benefit (gain) loss	(1,135)	296	(1,554)
Sales and maturities (purchases) of trading securities, net	1,302	301	(87)
Amortization of deferred gain (loss) on business sold through reinsurance	(48)	(37)	(32)
Impairment of intangibles	0	634	0
Net operating cash payments related to closing Fortitude Re reinsurance transaction	(1,457)	0	0
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads	642	495	496
Accrued investment income	34	(41)	8
Insurance liabilities and reinsurance-related balances	(2,499)	652	(893)
Accrued expenses	223	(101)	377
Federal income tax accruals	(563)	(376)	708
Cash management agreement	(733)	3,730	(1,286)
Other	324	406	(351)
Net cash provided by (used in) operating activities	(764)	3,866	(176)
Cash Flows from Investing Activities
Purchases of available-for-sale securities and equity securities	(10,713)	(14,768)	(16,856)
Sales of available-for-sale securities and equity securities	3,606	2,347	2,341
Maturities of available-for-sale securities	5,597	5,487	9,417
Purchases of alternative investments	(614)	(631)	(754)
Sales and repayments of alternative investments	111	441	377
Issuance of mortgage loans on real estate	(1,943)	(2,507)	(3,057)
Repayment and maturities of mortgage loans on real estate	1,266	2,247	1,873
Repayment (issuance) of policy loans, net	(120)	4	61
Net change in collateral on investments, certain derivatives and related settlements	(333)	(4,653)	3,095
Other	(352)	(40)	(253)
Net cash provided by (used in) investing activities	(3,495)	(12,073)	(3,756)
Cash Flows from Financing Activities
Capital contribution from Lincoln National Corporation	5	925	65
Payment of long-term debt, including current maturities	0	(40)	(60)
Issuance (payment) of short-term debt	228	(522)	587
Payment related to sale-leaseback transactions	(79)	(70)	(59)
Proceeds from certain financing arrangements	86	186	159
Payment related to certain financing arrangements	(49)	0	0
Net financing cash proceeds related to closing Fortitude Re reinsurance transaction	133	0	0
Deposits of fixed account balances	16,388	16,186	13,409
Withdrawals of fixed account balances	(10,633)	(7,641)	(7,142)
Transfers from (to) separate accounts, net	(624)	19	(175)
Common stock issued for benefit plans	(7)	(21)	(13)
Dividends paid to Lincoln National Corporation	(495)	(645)	(1,910)
Other	0	(2)	(60)
Net cash provided by (used in) financing activities	4,953	8,375	4,801
Net increase (decrease) in cash, invested cash and restricted cash	694	168	869
Cash, invested cash and restricted cash as of beginning-of-year	2,499	2,331	1,462
Cash, invested cash and restricted cash as of end-of-year	$ 3,193	$ 2,499	$ 2,331