CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 627	$ 617	$ 415
Change in operating assets and liabilities:
Accrued investment income	(111)	(15)	(11)
Premiums receivable and other reinsurance balances	(233)	(100)	162
Deferred policy acquisition costs	(156)	(71)	(95)
Reinsurance ceded receivable balances	91	(107)	(115)
Future policy benefits, other policy claims and benefits and other reinsurance balances	1,129	5,062	2,819
Deferred income taxes	75	(89)	(16)
Other assets and other liabilities, net	(2)	(97)	225
Amortization of net investment premiums, discounts and other	(71)	(54)	(46)
(Income) loss from limited partnerships and real estate joint ventures	(331)	(419)	(50)
Investment related (gains) losses, net	506	(560)	33
Depreciation and amortization expense	38	43	49
Gain on sale of businesses	(2)	(11)	0
Other, net	(217)	(17)	(48)
Net cash provided by operating activities	1,343	4,182	3,322
Cash flows from investing activities
Sales of fixed maturity securities available-for-sale	10,558	12,142	6,514
Principal payments on mortgage loans	906	887	973
Proceeds from Sale of Available-for-sale Securities, Equity	7	30	181
Proceeds from Sale and Collection of Mortgage Notes Receivable	963	991	661
Payments to Acquire Available-for-sale Securities	(16,531)	(18,071)	(9,619)
Payments to Acquire Available-for-sale Securities, Equity	(15)	(22)	(22)
Purchases of fixed maturity securities available-for-sale	(1,314)	(1,155)	(780)
Payments to Fund Policy Loans	2	25	61
Cash invested in funds withheld at interest	(36)	(67)	(131)
Proceeds from Real Estate and Real Estate Joint Ventures	710	498	142
Payments to Acquire Real Estate and Real Estate Joint Ventures	(700)	(648)	(315)
Purchase of businesses, net of cash acquired of $53	0	(156)	0
Proceeds from Divestiture of Businesses, Net of Cash Divested	7	19	0
Payments to Acquire Property, Plant, and Equipment	(25)	(19)	(28)
Change in short-term investments	(80)	371	(155)
Change in other invested assets	(140)	547	(162)
Net cash used in investing activities	(5,688)	(4,628)	(2,680)
Cash flows from financing activities
Dividends to stockholders	(205)	(194)	(182)
Proceeds from Issuance of Common Stock	0	0	481
Repayment of collateral finance and securitization notes	(181)	(208)	(214)
Proceeds from long-term debt issuance	700	500	598
Debt issuance costs	(10)	(6)	(5)
Principal payments of long-term debt	(403)	(403)	(3)
Purchases of treasury stock	(81)	(99)	(163)
Exercise of stock options, net	0	0	1
Change in cash collateral for derivative positions and other arrangements	230	31	(32)
Decrease In Reinsurance Deposits Financing Activities	(44)	91	0
Deposits on investment-type policies and contracts	5,705	1,729	1,576
Withdrawals on investment-type policies and contracts	(1,365)	(1,421)	(803)
Proceeds from Noncontrolling Interests	90	0	0
Net cash provided by (used in) financing activities	4,436	20	1,254
Effect of exchange rate changes on cash	(112)	(34)	63
Change in cash and cash equivalents	(21)	(460)	1,959
Cash and cash equivalents, beginning of period	2,948	3,408
Cash and cash equivalents, end of period	2,927	2,948	3,408
Change in cash and cash equivalents	2,927	2,948	3,408
Supplemental disclosures of cash flow information:
Interest paid	163	160	166
Income taxes paid, net of refunds	129	368	108
Non-cash investing activities:
Transfer of invested assets	618	1,798	93
Right-of-use assets acquired through operating leases	0	0	23
Non-cash deposits on reinsurance	0	1,581	0
Assets acquired, excluding cash acquired	0	847	0
Liabilities assumed	0	(691)	0
Assets disposed, net of cash transferred	(6)	(512)	0
Liabilities disposed	$ 1	$ 504	$ 0