Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Statement of Cash Flows [Abstract]
Net cash provided by operating activities	$ 332	$ 230
Proceeds from the sale, maturity, disposal or redemption of:
Fixed maturities	1,925	905
Mortgage loans on real estate	104	152
Limited partnerships/corporations	15	9
Acquisition of:
Fixed maturities	(1,897)	(344)
Equity securities	(6)	0
Mortgage loans on real estate	(220)	(82)
Limited partnerships/corporations	(36)	(64)
Short-term investments, net	(1)	56
Derivatives, net	(39)	(29)
Increase (Decrease) in Notes Receivable, Related Parties	463	(105)
Receipts on deposit asset contracts	30	65
Other, net	(2)	6
Net cash provided by (used in) investing activities	(268)	690
Cash Flows from Financing Activities:
Deposits received for investment contracts	930	498
Maturities and withdrawals from investment contracts	(1,235)	(1,131)
Dividends paid and distributions of capital	(84)	(163)
Other, net	3	6
Net cash provided by (used in) financing activities	(386)	(790)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation	(322)	130
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation	194	316	$ 516	$ 186
Payments to Acquire Businesses, Net of Cash Acquired	274	0
Increase (Decrease) in Collateral Held under Securities Lending	$ (46)	$ 75