Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Statement of Cash Flows [Abstract]
Net cash provided by (used in) operating activities	$ 18	$ 69
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities	6,250	5,238
Sales, maturities and repayments of equity securities	41	101
Sales, maturities and repayments of mortgage loans	1,382	1,384
Sales, maturities and repayments of limited partnerships and limited liability companies	134	117
Purchases of fixed maturity securities	(10,653)	(9,833)
Purchases of equity securities	(20)	(6)
Purchases of mortgage loans	(3,098)	(2,247)
Purchases of limited partnerships and limited liability companies	(432)	(379)
Cash received in connection with freestanding derivatives	2,749	2,140
Cash paid in connection with freestanding derivatives	(2,220)	(2,893)
Net change in policy loans	(12)	36
Net change in short-term investments	923	1,949
Net change in other invested assets	(63)	(19)
Net cash provided by (used in) investing activities	(5,019)	(4,412)
Cash flows from financing activities
Policyholder account balances: Deposits	14,107	6,886
Policyholder account balances: Withdrawals	(8,477)	(1,295)
Net change in payables for collateral under securities loaned and other transactions	406	(109)
Long-term debt repaid	(1)	(1)
Dividends on preferred stock	(53)	(46)
Treasury stock acquired in connection with share repurchases	(259)	(192)
Financing element on certain derivative instruments and other derivative related transactions, net	(112)	(118)
Other, net	(13)	(8)
Net cash provided by (used in) financing activities	5,598	5,117
Change in cash, cash equivalents and restricted cash	597	774
Cash, cash equivalents and restricted cash, beginning of period	4,474	4,108
Cash, cash equivalents and restricted cash, end of period	5,071	4,882
Supplemental disclosures of cash flow information
Net cash paid (received) for interest	77	81
Net cash paid (received) for income tax	$ 106	$ (4)