Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities
Net income (loss)	$ 1,629	$ 591	$ 614
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss	(89)	526	828
Trading securities purchases, sales and maturities, net	(108)	253	(2,522)
Amortization of deferred gain on business sold through reinsurance	(40)	(33)	(27)
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads deferrals and interest, net of amortization	292	68	(448)
Premiums and fees receivable	(95)	(20)	104
Accrued investment income	8	(88)	(22)
Insurance liabilities and reinsurance-related balances	(585)	392	(1,195)
Accrued expenses	367	(21)	89
Federal income tax accruals	264	(134)	(282)
Cash management agreement	(1,286)	(1,341)	(1,115)
Other	(165)	92	343
Net cash provided by (used in) operating activities	192	285	(3,633)
Cash Flows from Investing Activities
Purchases of available-for-sale securities and equity securities	(16,834)	(16,149)	(14,927)
Sales of available-for-sale securities and equity securities	2,341	1,214	6,771
Maturities of available-for-sale securities	9,417	5,180	6,426
Purchases of alternative investments	(754)	(395)	(433)
Sales and repayments of alternative investments	377	171	131
Issuance of mortgage loans on real estate	(3,062)	(1,790)	(4,218)
Repayment and maturities of mortgage loans on real estate	1,873	1,133	1,144
Issuance (repayment) of policy loans, net	61	49	32
Net change in collateral on investments, derivatives and related settlements	3,095	1,775	349
Other	(253)	(149)	(259)
Net cash provided by (used in) investing activities	(3,739)	(8,961)	(4,984)
Cash Flows from Financing Activities
Capital contribution from Lincoln National Corporation	65	510	50
Payment of long-term debt, including current maturities	(60)	(30)	(28)
Issuance of long-term debt, net of issuance costs		30	28
Issuance (payment) of short-term debt	587	(112)	321
Payment related to sale-leaseback transactions	(59)	(47)	(83)
Proceeds from certain financing arrangements	159	109	107
Deposits of fixed account values, including the fixed portion of variable	12,622	14,009	16,049
Withdrawals of fixed account values, including the fixed portion of variable	(6,575)	(6,069)	(5,800)
Transfers to and from separate accounts, net	(340)	528	(1,362)
Common stock issued for benefit plans	(13)	(9)	(34)
Dividends paid to Lincoln National Corporation	(1,910)	(660)	(600)
Other	(60)
Net cash provided by (used in) financing activities	4,416	8,259	8,648
Net increase (decrease) in cash, invested cash and restricted cash	869	(417)	31
Cash, invested cash and restricted cash as of beginning-of-year	1,462	1,879	1,848
Cash, invested cash and restricted cash as of end-of-period	$ 2,331	$ 1,462	$ 1,879