Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Available-for-sale securities, at fair value:
Fixed maturity securities (amortized cost: 2016 - $82,623; 2015 - $81,993)	$ 88,064	$ 84,964
Variable interest entities' fixed maturity securities (amortized cost: 2016 - $597; 2015 - $596)	599	598
Equity securities (cost: 2016 - $231; 2015 - $226)	245	237
Trading securities	1,864	1,854
Mortgage loans on real estate	8,916	8,678
Real estate	17	17
Policy loans	2,533	2,545
Derivative investments	2,085	1,537
Other investments	2,048	1,778
Total investments	106,371	102,208
Cash and invested cash	3,177	3,146
Deferred acquisition costs and value of business acquired	8,984	9,510
Premiums and fees receivable	401	376
Accrued investment income	1,108	1,070
Reinsurance recoverables	5,597	5,623
Funds withheld reinsurance assets	630	629
Goodwill	2,273	2,273
Other assets	3,671	3,454
Separate account assets	123,506	123,619
Total assets	255,718	251,908
Liabilities
Future contract benefits	21,438	20,708
Other contract holder funds	77,475	77,362
Long-term debt	5,650	5,553
Reinsurance related embedded derivatives	111	87
Funds withheld reinsurance liabilities	597	638
Deferred gain on business sold through reinsurance	79	98
Payables for collateral on investments	5,017	4,657
Variable interest entities' liabilities		4
Other liabilities	7,187	5,565
Separate account liabilities	123,506	123,619
Total liabilities	$ 241,060	$ 238,291
Contingencies and Commitments (See Note 13)
Stockholders Equity
Preferred stock - 10,000,000 shares authorized	$ 0	$ 0
Common stock - 800,000,000 shares authorized; 239,005,252 and 243,835,893 shares issued and outstanding as of March 31, 2016, and December 31, 2015, respectively	6,162	6,298
Retained earnings	6,565	6,474
Accumulated other comprehensive income (loss)	1,931	845
Total stockholders' equity	14,658	13,617
Total liabilities and stockholders' equity	$ 255,718	$ 251,908