Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash Flows from Operating Activities
Net income (loss)	$ 341	$ 867
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss	(551)	182
Sales and maturities (purchases) of trading securities, net	117	210
Amortization of deferred gain on business sold through reinsurance	(38)	(17)
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads deferrals and interest, net of amortization	2	115
Premiums and fees receivable	(76)	(97)
Accrued investment income	(40)	(10)
Insurance liabilities and reinsurance-related balances	3,083	(1,438)
Accrued expenses	(371)	42
Federal income tax accruals	74	167
Other	167	(252)
Net cash provided by (used in) operating activities	2,708	(231)
Cash Flows from Investing Activities
Purchases of available-for-sale securities and equity securities	(8,204)	(8,304)
Sales of available-for-sale securities and equity securities	308	1,269
Maturities of available-for-sale securities	3,231	4,700
Purchases of alternative investments	(329)	(361)
Sales and repayments of alternative investments	183	128
Issuance of mortgage loans on real estate	(1,368)	(1,634)
Repayment and maturities of mortgage loans on real estate	1,428	851
Repayment (issuance) of policy loans, net	(5)	16
Net change in collateral on investments, derivatives and related settlements	(1,892)	1,888
Other	(101)	(71)
Net cash provided by (used in) investing activities	(6,749)	(1,518)
Cash Flows from Financing Activities
Payment of long-term debt, including current maturities	(300)
Issuance of long-term debt, net of issuance costs	297
Payment related to sale-leaseback transactions	(47)
Proceeds from certain financing arrangements	53	50
Deposits of fixed account values, including the fixed portion of variable	6,900	6,375
Withdrawals of fixed account values, including the fixed portion of variable	(3,298)	(3,299)
Transfers from (to) separate accounts, net	62	(229)
Common stock issued for benefit plans	(14)	12
Repurchase of common stock	(500)	(255)
Dividends paid to common stockholders	(157)	(161)
Other		(63)
Net cash provided by (used in) financing activities	2,996	2,430
Net increase (decrease) in cash, invested cash and restricted cash	(1,045)	681
Cash, invested cash and restricted cash as of beginning-of-year	2,612	1,708
Cash, invested cash and restricted cash as of end-of-period	$ 1,567	$ 2,389