CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Cash flows from operating activities
Net Income (Loss) Attributable to Parent	$ 415	$ 870	$ 716
Change in operating assets and liabilities:
Accrued investment income	(11)	(4)	7
Premiums receivable and other reinsurance balances	162	110	(764)
Deferred policy acquisition costs	(95)	(198)	(107)
Reinsurance ceded receivable balances	(115)	(178)	66
Future policy benefits, other policy claims and benefits, and other reinsurance balances	2,819	1,537	1,593
Deferred income taxes	(16)	211	77
Other assets and other liabilities, net	225	113	(163)
Amortization of net investment premiums, discounts and other	(46)	(55)	(57)
Depreciation, Depletion and Amortization	49	49	45
Investment related (gains) losses, net	33	(91)	170
Other, net	(98)	(57)	(2)
Net cash provided by operating activities	3,322	2,307	1,581
Cash flows from investing activities
Sales of fixed maturity securities available-for-sale	6,514	13,214	9,340
Principal payments on mortgage loans on real estate	973	907	627
Proceeds from Sale of Available-for-sale Securities, Equity	181	98	46
Proceeds from Sale and Collection of Mortgage Notes Receivable	661	490	445
Proceeds from Collection of Policy Loans	102	82	57
Payments to Acquire Available-for-sale Securities	(9,619)	(15,664)	(9,724)
Payments to Acquire Available-for-sale Securities, Equity	(22)	(312)	(13)
Purchases of fixed maturity securities available-for-sale	(780)	(1,216)	(1,019)
Payments to Fund Policy Loans	(41)	(42)	(45)
Cash invested in funds withheld at interest	(131)	(60)	(54)
Purchase of businesses, net of cash acquired of $27 and $5	0	4	(32)
Payments to Acquire Property, Plant, and Equipment	(28)	(34)	(29)
Change in short-term investments	(155)	199	129
Change in other invested assets	(335)	(304)	(365)
Net cash used in investing activities	(2,680)	(2,638)	(637)
Cash flows from financing activities
Dividends to stockholders	(182)	(163)	(140)
Proceeds from Issuance of Common Stock	481	0	0
Repayment of collateral finance and securitization notes	(214)	(91)	(96)
Proceeds from long-term debt issuance	598	599	0
Debt issuance costs	(5)	(5)	0
Principal payments of long-term debt	(3)	(403)	(3)
Purchases of treasury stock	(163)	(101)	(300)
Exercise of stock options, net	1	6	3
Change in cash collateral for derivative positions and other arrangements	(32)	(163)	44
Deposits on universal life and other investment type policies and contracts	1,576	1,309	864
Withdrawals on universal life and other investment type policies and contracts	(803)	(1,109)	(694)
Net cash provided by (used in) financing activities	1,254	(121)	(322)
Effect of exchange rate changes on cash	63	11	(36)
Change in cash and cash equivalents	1,959	(441)	586
Cash and cash equivalents, beginning of period	1,449	1,890	1,304
Cash and cash equivalents, end of period	3,408	1,449	1,890
Supplementary information:
Interest paid	166	180	170
Income taxes paid, net of refunds	108	44	142
Transfer to Investments	93	6,275	4,636
Capital Expenditures Incurred but Not yet Paid	23	1	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	0	8	70
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	$ 0	$ (12)	$ (38)