Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Statement of Cash Flows [Abstract]
Net cash provided by operating activities	$ 346	$ 320
Proceeds from the sale, maturity, disposal or redemption of:
Fixed maturities	1,401	903
Mortgage loans on real estate	213	167
Limited partnerships/corporations	17	11
Acquisition of:
Fixed maturities	(1,383)	(1,217)
Mortgage loans on real estate	(108)	(148)
Limited partnerships/corporations	(29)	(17)
Derivatives, net	56	(15)
Policy loans, net	3	2
Short-term investments, net	0	(50)
Short-term loan to affiliate, net	(103)	80
Collateral received (delivered), net	(87)	23
Other investments, net	5	(22)
Net cash used in investing activities	(15)	(283)
Cash Flows from Financing Activities:
Deposits received for investment contracts	791	816
Maturities and withdrawals from investment contracts	(1,104)	(782)
Settlements on deposit contracts	(1)	(15)
Net cash provided by (used in) financing activities	(314)	19
Net decrease in cash and cash equivalents	17	56
Cash and cash equivalents, beginning of period	364	288
Cash and cash equivalents, end of period	$ 381	$ 344

The cash inflow from a segregated fund account during the period.

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