Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Available-for-sale securities, at fair value:
Fixed maturity securities (amortized cost: 2018 – $87,267; 2017 – $86,993)	$ 92,059	$ 94,840
Equity securities (cost: 2017 – $247)		246
Trading securities	1,553	1,620
Equity securities	112
Mortgage loans on real estate	11,047	10,762
Real estate	11	11
Policy loans	2,389	2,399
Derivative investments	827	915
Other investments	2,049	2,296
Total investments	110,047	113,089
Cash and invested cash	2,257	1,628
Deferred acquisition costs and value of business acquired	9,289	8,403
Premiums and fees receivable	480	396
Accrued investment income	1,137	1,078
Reinsurance recoverables	5,009	4,907
Funds withheld reinsurance assets	576	593
Goodwill	1,368	1,368
Other assets	6,313	6,082
Separate account assets	142,761	144,219
Total assets	279,237	281,763
Liabilities
Future contract benefits	22,923	22,887
Other contract holder funds	80,710	80,209
Short-term debt	250	450
Long-term debt	5,648	4,894
Reinsurance related embedded derivatives	34	57
Funds withheld reinsurance liabilities	1,726	1,761
Deferred gain on business sold through reinsurance	1	1
Payables for collateral on investments	4,265	4,417
Other liabilities	4,934	5,546
Separate account liabilities	142,761	144,219
Total liabilities	263,252	264,441
Contingencies and Commitments (See Note 10)
Stockholders' Equity
Preferred stock - 10,000,000 shares authorized
Common stock – 800,000,000 shares authorized; 218,695,476 and 218,090,114 shares issued and outstanding as of March 31, 2018 and December 31, 2017, respectively	5,700	5,693
Retained earnings	8,052	8,399
Accumulated other comprehensive income (loss)	2,233	3,230
Total stockholders' equity	15,985	17,322
Total liabilities and stockholders' equity	$ 279,237	$ 281,763