CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash Flows from Operating Activities
Net income (loss)	$ 188	$ 1,418
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss	409	(226)
Market risk benefit (gain) loss	173	(866)
Sales and maturities (purchases) of trading securities, net	161	132
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads	330	374
Accrued investment income	(36)	(25)
Insurance liabilities and reinsurance-related balances	147	(1,110)
Accrued expenses	(134)	(123)
Federal income tax accruals	(48)	567
Cash management agreement	72	(1,188)
Other	(622)	(702)
Net cash provided by (used in) operating activities	640	(1,749)
Cash Flows from Investing Activities
Purchases of available-for-sale securities and equity securities	(7,535)	(5,230)
Sales of available-for-sale securities and equity securities	1,294	1,009
Maturities of available-for-sale securities	5,173	3,513
Purchases of alternative investments	(675)	(543)
Sales and repayments of alternative investments	541	88
Issuance of mortgage loans on real estate	(2,006)	(2,132)
Repayment and maturities of mortgage loans on real estate	1,145	621
Repayment (issuance) of policy loans, net	(77)	(38)
Net change in collateral on investments, certain derivatives and related settlements	(348)	3,814
Cash received from disposition, net of cash transferred	0	512
Other	49	(50)
Net cash provided by (used in) investing activities	(2,439)	1,564
Cash Flows from Financing Activities
Capital contribution from Lincoln National Corporation	800	0
Issuance (payment) of short-term debt	149	(184)
Payment related to sale-leaseback transactions	(4)	(8)
Proceeds from certain financing arrangements	33	0
Payment related to certain financing arrangements	(84)	(88)
Deposits	9,617	8,101
Withdrawals	(6,237)	(6,051)
Transfers from (to) separate accounts, net	(303)	87
Common stock issued for benefit plans	(9)	(8)
Dividends paid to Lincoln National Corporation	(400)	(195)
Net cash provided by (used in) financing activities	3,562	1,654
Net increase (decrease) in cash, invested cash and restricted cash	1,763	1,469
Cash, invested cash and restricted cash as of beginning-of-year	4,505	3,193
Cash, invested cash and restricted cash as of end-of-period	$ 6,268	$ 4,662