Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash Flows from Operating Activities
Net income (loss)	$ (172)	$ (722)
Adjustments to reconile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss	(466)	(11)
Market risk benefit (gain) loss	987	1,293
Sales and maturities (purchases) of trading securities, net	103	71
Change in:
Deferred acquisition costs, value of business acquired, deferred ales inducements and deferred front-end loads	163	156
Accrued investment income	(33)	(16)
Insurance liabilities and reinsurance-related balances	(307)	(449)
Accrued expenses	(98)	(227)
Federal income tax accruals	(74)	(227)
Other	35	(140)
Net cash provided by (used in) operating activities	138	(272)
Cash Flows from Investing Activities
Purchases of available-for-sale securities and equity securities	(4,847)	(3,513)
Sales of available-for-sale securities and equity securities	424	300
Maturities of available-for-sale securities	2,595	2,689
Purchases of other investments	(417)	(397)
Sales and repayments of other investments	350	222
Issuance of mortgage loans on real estate	(1,384)	(919)
Repayment and maturities of mortgage loans on real estate	811	502
Repayment (issuance) of policy loans, net	20	(54)
Net change in collateral on investments, certain derivatives and related settlements	(971)	(799)
Other	(35)	(77)
Net cash provided by (used in) investing activities	(3,454)	(2,046)
Cash Flows from Financing Activities
Payment of long-term debt, including current maturities	(150)	(300)
Issuance of long-term debt, net of issuance costs	250	0
Payment related to sale-leaseback transactions	(1)	(2)
Payment related to certain financing arrangements	(15)	(14)
Policyholder Account Balance [Abstract]
Deposits	4,947	4,434
Withdrawals	(3,232)	(3,129)
Transfers from (to) separate accounts, net	(497)	(73)
Common stock issued for benefit plans	(23)	(4)
Dividends paid to preferred stockholders	(34)	(34)
Dividends paid to common stockholders	(86)	(77)
Net cash provided by (used in) financing activities	1,159	801
Net increase (decrease) in cash and invested cash	(2,157)	(1,517)
Cash and invested cash as of beginning-of-year	9,502	5,801
Cash and invested cash as of end-of-period	$ 7,345	$ 4,284