Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Investments:
Available-for-sale Securities, Debt Securities	$ 21,781	$ 22,799
Fair Value, Option, Fixed Maturity Securities	29	32
Marketable Securities	124	0
Equity securities, available-for-sale, at fair value (cost of $0 and $140)	0	154
Mortgage loans	2,839	2,872
Policy loans, at outstanding balance	1,478	1,432
Limited partnerships and other alternative investments	974	1,001
Other investments	232	213
Short-term investments	1,493	1,094
Total investments	28,950	29,597
Cash	277	537
Premiums Receivable, Net	13	15
Reinsurance Recoverables, Including Reinsurance Premium Paid	20,701	20,785
Deferred policy acquisition costs	417	405
Deferred income taxes, net	634	556
Other assets	901	1,003
Separate account assets	108,393	115,834
Total assets	160,286	168,732
Liabilities
Reserve for future policy benefits	14,282	14,482
Other policyholder funds and benefits payable	28,921	29,228
Other liabilities	2,204	2,508
Separate account liabilities	108,393	115,834
Total liabilities	153,800	162,052
Stockholders' Equity
Common stock—1,000 shares authorized, issued and outstanding, par value $5,690	6	6
Additional paid-in capital	3,541	3,539
Accumulated other comprehensive income, net of tax	884	1,023
Retained earnings	2,055	2,112
Total Stockholders’ Equity	6,486	6,680
Total liabilities and stockholder's equity	$ 160,286	$ 168,732