Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows From Operating Activities
Net Income (Loss)	$ (31)	$ 201
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	18	14
Investment gains and losses, net	191	(160)
Share-based compensation	9	8
Interest credited to contract holders'	11	13
Deferred income tax expense	(47)	35
Changes in:
Investment income receivable	10	11
Premiums and reinsurance receivable	(26)	(44)
Deferred policy acquisition costs	(10)	(25)
Other assets	(8)	(5)
Loss and loss expense reserves	72	92
Life policy and investment contract reserves	21	25
Unearned premiums	55	70
Other liabilities	(137)	(139)
Current income tax receivable/payable	26	40
Net cash provided by operating activities	154	136
Cash Flows From Investing Activities
Sale of fixed maturities	5	12
Call or maturity of fixed maturities	393	249
Sale of equity securities	104	216
Purchase of fixed maturities	(438)	(403)
Purchase of equity securities	(110)	(313)
Investment in finance receivables	(6)	(5)
Collection of finance receivables	6	6
Investment in buildings and equipment	(3)	(2)
Change in other invested assets, net	(5)	(6)
Net cash used in investing activities	(54)	(246)
Cash Flows From Financing Activities
Payment of cash dividends to shareholders	(80)	(77)
Shares acquired - share repurchase authorization	(15)	(15)
Payments of note payable	0	(3)
Proceeds from stock options exercised	4	6
Contract holders' funds deposited	21	23
Contract holders' funds withdrawn	(46)	(43)
Other	(37)	(15)
Net cash used in financing activities	(153)	(124)
Net change in cash and cash equivalents	(53)	(234)
Cash and cash equivalents at beginning of year	657	777
Cash and cash equivalents at end of period	604	543
Supplemental Disclosures of Cash Flow Information:
Interest paid	0	0
Income taxes paid	0	0
Noncash Activities
Conversion of securities	3	4
Equipment acquired under capital lease obligations	5	3
Cashless exercise of stock options	2	4
Other assets and other liabilities	$ 30	$ 73