Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Cash Flows [Abstract]
Net cash provided by (used in) operating activities	$ (55)	$ 80
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities	3,705	2,595
Sales, maturities and repayments of equity securities	20	53
Sales, maturities and repayments of mortgage loans	461	724
Sales, maturities and repayments of limited partnerships and limited liability companies	67	49
Purchases of fixed maturity securities	(5,487)	(3,945)
Purchases of equity securities	0	(6)
Purchases of mortgage loans	(1,972)	(568)
Purchases of limited partnerships and limited liability companies	(279)	(204)
Cash received in connection with freestanding derivatives	1,437	1,012
Cash paid in connection with freestanding derivatives	(1,196)	(1,581)
Net change in policy loans	(7)	40
Net change in short-term investments	551	1,573
Net change in other invested assets	(17)	0
Net cash provided by (used in) investing activities	(2,717)	(258)
Cash flows from financing activities
Policyholder account balances: Deposits	6,208	1,921
Policyholder account balances: Withdrawals	(3,714)	(682)
Net change in payables for collateral under securities loaned and other transactions	(58)	(968)
Long-term debt repaid	(1)	0
Financing element on certain derivative instruments and other derivative related transactions, net	(76)	(67)
Net cash provided by (used in) financing activities	2,359	204
Change in cash, cash equivalents and restricted cash	(413)	26
Cash, cash equivalents and restricted cash, beginning of period	3,904	3,684
Cash, cash equivalents and restricted cash, end of period	3,491	3,710
Supplemental disclosures of cash flow information
Net cash paid (received) for interest	34	34
Net cash paid (received) for income tax	$ 1	$ (21)