Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $80,021 and $78,978) (includes variable interest entity assets, at fair value, of $235 and $153)	$ 83,157	$ 81,809
Fixed maturities, at fair value using the fair value option (includes variable interest entity assets of $339 and $338)	1,291	1,328
Equity securities, trading, at fair value (cost of $30,212 and $32,928)	30,722	30,499
Equity securities, available-for-sale, at fair value (cost of $1,001 and $1,056)	938	921
Mortgage loans (net of allowances for loan losses of $88 and $102)	6,275	5,728
Policy loans, at outstanding balance	1,970	2,001
Limited partnerships and other alternative investments (includes variable interest entity assets of $7 as of March 31, 2012 and December 31,2011)	2,732	2,532
Other investments	1,259	2,394
Short-term investments (includes variable interest entity assets, at fair value, of $10 as of March 31, 2012)	5,256	7,736
Total investments	133,600	134,948
Cash	2,059	2,581
Premiums receivable and agents' balances, net	3,565	3,446
Reinsurance recoverables, net	4,559	4,768
Deferred policy acquisition costs and present value of future profits	6,577	6,556
Deferred income taxes, net	2,375	2,131
Goodwill	1,006	1,006
Property and equipment, net	1,017	1,029
Other assets	3,388	2,274
Separate account assets	152,402	143,870
Total assets	310,548	302,609
Liabilities
Reserve for future policy benefits and unpaid losses and loss adjustment expenses	40,532	41,016
Other policyholder funds and benefits payable	44,080	45,612
Other policyholder funds and benefits payable - international variable annuities	30,677	30,461
Unearned premiums	5,325	5,222
Long-term debt	6,220	6,216
Consumer notes	310	314
Other liabilities (includes variable interest entity liabilities of $461 and $471)	9,728	8,412
Separate account liabilities	152,402	143,870
Total liabilities	289,274	281,123
Commitments and Contingencies (Note 9)
Stockholders' Equity
Preferred stock, $0.01 par value - 50,000,000 shares authorized, 575,000 shares issued, liquidation preference $1,000 per share	556	556
Common stock, $0.01 par value - 1,500,000,000 shares authorized, 469,746,638 and 469,750,171 shares issued	5	5
Additional paid-in capital	10,031	10,391
Retained earnings	11,042	11,001
Treasury stock, at cost - 28,881,233 and 27,211,115 shares	(1,688)	(1,718)
Accumulated other comprehensive income, net of tax	1,328	1,251
Total stockholders' equity	21,274	21,486
Total liabilities and stockholders' equity	$ 310,548	$ 302,609