Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 187	$ 146
Adjustments to reconcile net income to net cash provided by operating activities
Realized Gain (Loss) on Marketable Securities, Cost Method Investments, and Other Investments	(28)	(114)
Deferred Policy Acquisition Costs and Present Value of Future Profits, Amortization	18	19
Increase (Decrease) in Deferred Policy Acquisition Costs	(1)	(4)
Depreciation and amortization	14	(6)
Other, net	141	48
Change in assets and liabilities:
Reinsurance recoverables	(49)	(19)
Increase (Decrease) in Deferred Income Taxes	(96)	(15)
Reserve for future policy benefits and unpaid losses and loss adjustment expenses	91	105
Increase (Decrease) in Other Operating Assets and Liabilities, Net	(98)	(141)
Net Cash Provided by (Used in) Operating Activities	525	315
Proceeds from the sale/maturity/prepayment of:
Fixed maturities, available-for-sale	5,843	4,612
Fixed maturities, fair value option	25	17
Equity securities, available-for-sale	150	280
Mortgage loans	204	65
Proceeds from Limited Partnership Investments	64	169
Payments for the purchase of:
Fixed maturities, available-for-sale	5,496	4,365
Fixed maturities, fair value option		20
Equity securities, available-for-sale	166	38
Mortgage loans	162	17
Payments to Acquire Limited Partnership Interests	107	70
Change in derivatives, net	39	(190)
Payments for (Proceeds from) Policy Loans	(11)	(10)
Payments to Acquire Property, Plant, and Equipment	15	0
Payments for (Proceeds from) Short-term Investments	642	328
Other investing activities, net	(14)	(37)
Net Cash Provided by (Used in) Investing Activities	(316)	542
Financing Activities
Deposits and other additions to investment and universal life-type contracts	2,495	2,188
Withdrawals and other deductions from investment and universal life-type contracts	7,042	8,070
Net transfers from separate accounts related to investment and universal life-type contracts	3,976	5,475
Net proceeds from securities loaned or sold under agreements to repurchase	379	37
Payments of Capital Distribution	(299)	(505)
Net repayments at maturity or settlement of consumer notes	(11)	(6)
Net cash used for financing activities	(502)	(881)
Foreign exchange rate effect on cash	0	1
Cash, Period Increase (Decrease)	(293)	(23)
Cash - beginning of period	554	305
Cash - end of period	261	282
Supplemental Disclosure of Cash Flow Information
Income Taxes Paid, Net	$ 45	$ 5