Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Statement of Cash Flows [Abstract]
Net cash provided by (used in) operating activities	$ 220	$ (192)
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities	6,065	5,416
Sales, maturities and repayments of trading securities	6	0
Sales, maturities and repayments of equity securities	17	32
Sales, maturities and repayments of mortgage loans	1,127	685
Sales, maturities and repayments of limited partnerships and limited liability companies	196	155
Purchases of fixed maturity securities	(5,181)	(6,392)
Purchases of trading securities	(178)	0
Purchases of equity securities	(1)	(3)
Purchases of mortgage loans	(896)	(883)
Purchases of limited partnerships and limited liability companies	(118)	(153)
Cash received in connection with freestanding derivatives	5,326	5,616
Cash paid in connection with freestanding derivatives	(6,960)	(5,743)
Net change in policy loans	600	(138)
Net change in short-term investments	603	(46)
Net change in other invested assets	13	(189)
Net cash provided by (used in) investing activities	619	(1,643)
Cash flows from financing activities
Policyholder account balances: Deposits	9,599	20,400
Policyholder account balances: Withdrawals	(9,916)	(17,963)
Net change in payables for collateral under securities loaned and other transactions	112	234
Long-term debt repaid	(1)	(1)
Capital contribution	100	0
Financing element on certain derivative instruments and other derivative related transactions, net	(114)	(183)
Other, net	(1)	(1)
Net cash provided by (used in) financing activities	(221)	2,486
Change in cash, cash equivalents and restricted cash	618	651
Cash, cash equivalents and restricted cash, beginning of period	4,592	3,165
Cash, cash equivalents and restricted cash, end of period	5,210	3,816
Supplemental disclosures of cash flow information
Net cash paid (received) for interest	34	34
Net cash paid (received) for income tax	$ (3)	$ 1