Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Available-for-sale securities, at fair value:
Fixed maturity securities (amortized cost: 2013 - $75,469; 2012 - $72,718)	$ 80,235	$ 82,036
Variable interest entities' fixed maturity securities (amortized cost: 2013 - $680; 2012 - $677)	698	708
Equity securities (cost: 2013 - $192; 2012 - $137)	209	157
Trading securities	2,391	2,554
Mortgage loans on real estate	7,033	7,029
Real estate	60	65
Policy loans	2,700	2,766
Derivative investments	1,683	2,652
Other investments	1,158	1,098
Total investments	96,167	99,065
Cash and invested cash	2,574	4,230
Deferred acquisition costs and value of business acquired	8,214	6,667
Premiums and fees receivable	430	380
Accrued investment income	1,052	1,015
Reinsurance recoverables	6,385	6,449
Funds withheld reinsurance assets	788	837
Goodwill	2,273	2,273
Other assets	2,655	2,580
Separate account assets	102,783	95,373
Total assets	223,321	218,869
Liabilities
Future contract benefits	18,214	19,780
Other contract holder funds	73,830	72,218
Short-term debt	506	200
Long-term debt	5,050	5,439
Reinsurance related embedded derivatives	131	215
Funds withheld reinsurance liabilities	926	940
Deferred gain on business sold through reinsurance	282	319
Payables for collateral on investments	4,252	4,181
Variable interest entities' liabilities	101	128
Other liabilities	3,929	5,103
Separate account liabilities	102,783	95,373
Total liabilities	210,004	203,896
Contingencies and Commitments (See Note 8)
Stockholders Equity
Preferred stock - 10,000,000 shares authorized; Series A - 4,164 and 9,532 shares issued and outstanding as of June 30, 2013, and December 31, 2012, respectively	0	0
Common stock - 800,000,000 shares authorized; 264,316,340 and 271,402,586 shares issued and outstanding as of June 30, 2013, and December 31, 2012, respectively	6,937	7,121
Retained earnings	4,487	4,044
Accumulated other comprehensive income (loss)	1,893	3,808
Total stockholders' equity	13,317	14,973
Total liabilities and stockholders' equity	$ 223,321	$ 218,869