Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Available-for-sale securities, at fair value:
Fixed maturity securities (amortized cost: 2017 - $85,834; 2016 - $84,287)	$ 91,102	$ 89,013
Variable interest entities' fixed maturity securities (amortized cost: 2017 - $0; 2016 - $200)		200
Equity securities (cost: 2017 - $263; 2016 - $260)	276	275
Trading securities	1,703	1,712
Mortgage loans on real estate	10,001	9,889
Real estate	24	24
Policy loans	2,432	2,451
Derivative investments	991	927
Other investments	2,104	2,230
Total investments	108,633	106,721
Cash and invested cash	1,923	2,722
Deferred acquisition costs and value of business acquired	9,030	9,134
Premiums and fees receivable	465	430
Accrued investment income	1,124	1,062
Reinsurance recoverables	5,333	5,265
Funds withheld reinsurance assets	610	617
Goodwill	2,273	2,273
Other assets	5,119	5,006
Separate account assets	132,958	128,397
Total assets	267,468	261,627
Liabilities
Future contract benefits	22,202	21,576
Other contract holder funds	79,078	78,903
Short-term debt	200
Long-term debt	5,133	5,345
Reinsurance related embedded derivatives	50	53
Funds withheld reinsurance liabilities	1,961	1,976
Deferred gain on business sold through reinsurance	6	24
Payables for collateral on investments	5,086	4,995
Other liabilities	5,821	5,880
Separate account liabilities	132,958	128,397
Total liabilities	252,495	247,149
Contingencies and Commitments (See Note 13)
Stockholders Equity
Preferred stock - 10,000,000 shares authorized	0	0
Common stock - 800,000,000 shares authorized; 224,888,259 and 226,335,105 shares issued and outstanding as of March 31, 2017, and December 31, 2016, respectively	5,839	5,869
Retained earnings	7,287	7,043
Accumulated other comprehensive income (loss)	1,847	1,566
Total stockholders' equity	14,973	14,478
Total liabilities and stockholders' equity	$ 267,468	$ 261,627