CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Fixed maturity securities:
Available-for-sale at fair value (amortized cost of $19,917,350 and $19,559,432)	$ 21,289,108	$ 22,291,614
Mortgage loans on real estate (net of allowances of $7,669 and $11,580)	2,488,582	2,300,587
Policy loans	1,244,878	1,278,175
Funds withheld at interest	5,739,872	5,594,182
Short-term investments	44,192	288,082
Other invested assets	1,116,391	1,159,543
Total investments	31,923,023	32,912,183
Cash and cash equivalents	1,423,235	1,259,892
Accrued investment income	262,330	201,344
Premiums receivable and other reinsurance balances	1,252,610	1,356,087
Reinsurance ceded receivables	592,948	620,901
Deferred policy acquisition costs	3,533,932	3,619,274
Other assets	538,477	390,757
Total assets	39,526,555	40,360,438
Liabilities and Stockholders’ Equity
Future policy benefits	11,873,306	11,372,856
Interest-sensitive contract liabilities	12,868,425	13,353,502
Other policy claims and benefits	3,440,371	3,160,250
Other reinsurance balances	264,023	233,630
Deferred income taxes	1,975,819	2,120,501
Other liabilities	510,079	742,249
Long-term debt	2,214,170	1,815,253
Collateral finance facility	484,712	652,010
Total liabilities	33,630,905	33,450,251
Commitments and contingent liabilities (See Note 8)
Stockholders’ Equity:
Preferred stock - par value $.01 per share, 10,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock - par value $.01 per share, 140,000,000 shares authorized, 79,137,758 shares issued at September 30, 2013 and December 31, 2012	791	791
Additional paid-in-capital	1,778,307	1,755,421
Retained earnings	3,544,632	3,357,255
Treasury stock, at cost - 8,594,734 and 5,210,427 shares	(528,081)	(312,182)
Accumulated other comprehensive income	1,100,001	2,108,902
Total stockholders’ equity	5,895,650	6,910,187
Total liabilities and stockholders’ equity	$ 39,526,555	$ 40,360,438