Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Flows from Operating Activities
Net income (loss)	$ 225	$ 52
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss	181	24
Trading securities purchases, sales and maturities, net	98	235
Amortization of deferred gain on business sold through reinsurance	(9)	(11)
Change in:
Deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads deferrals and interest, net of amortization	54	(169)
Premiums and fees receivable	(167)	(97)
Accrued investment income	(41)	(37)
Insurance liabilities and reinsurance-related balances	(764)	736
Accrued expenses	(40)	(317)
Federal income tax accruals	37	(18)
Other	(216)	57
Net cash provided by (used in) operating activities	(642)	455
Cash Flows from Investing Activities
Purchases of available-for-sale securities and equity securities	(3,834)	(3,590)
Sales of available-for-sale securities and equity securities	571	395
Maturities of available-for-sale securities	1,913	1,317
Purchases of alternative investments	(163)	(79)
Sales and repayments of alternative investments	54	55
Issuance of mortgage loans on real estate	(888)	(839)
Repayment and maturities of mortgage loans on real estate	403	227
Issuance (repayment) of policy loans, net	(76)	(94)
Net change in collateral on investments, derivatives and related settlements	1,341	3,411
Other	(33)	(61)
Net cash provided by (used in) investing activities	(712)	742
Cash Flows from Financing Activities
Payment of long-term debt, including current maturities		(300)
Issuance of long-term debt, net of issuance costs		499
Deposits of fixed account values, including the fixed portion of variable	3,136	3,917
Withdrawals of fixed account values, including the fixed portion of variable	(1,777)	(1,684)
Transfers to and from separate accounts, net	(122)	323
Common stock issued for benefit plans	7	(9)
Repurchase of common stock	(105)	(225)
Dividends paid to common stockholders	(80)	(79)
Other	(63)
Net cash provided by (used in) financing activities	996	2,442
Net increase (decrease) in cash, invested cash and restricted cash	(358)	3,639
Cash, invested cash and restricted cash as of beginning-of-year	1,708	2,563
Cash, invested cash and restricted cash as of end-of-period	$ 1,350	$ 6,202