CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Premiums collected	$ 1,159	$ 1,081
Net investment income received	106	110
Limited partnership distributions	46	25
Service agreement fee received	7	7
Commissions and bonuses paid to agents	(197)	(180)
Losses paid	(666)	(619)
Loss expenses paid	(119)	(119)
Other underwriting and acquisition costs paid	(206)	(181)
Income taxes paid	(3)	(52)
Net cash provided by (used in) operating activities	127	72
Purchase of investments:
Fixed maturities	(551)	(418)
Preferred stock	(9)	(37)
Common stock	(464)	(258)
Limited partnerships	(23)	(23)
Sales/maturities of investments:
Fixed maturity sales	122	163
Fixed maturity calls/maturities	265	217
Preferred stock	26	13
Common stock	453	247
Sale of and returns on limited partnerships	53	81
Net purchase of property and equipment	(6)	(7)
Net collections on agent loans	1	0
Net cash provided by (used in) investing activities	(133)	(22)
Cash flows from financing activities
Annuity deposits and interest	24	25
Annuity surrenders and withdrawals	(18)	(18)
Universal life deposits and interest	5	5
Universal life surrenders	(2)	(3)
Purchase of treasury stock	(15)	(18)
Dividends paid to shareholders	0	(27)
Net cash provided by (used in) financing activities	(6)	(36)
Net increase (decrease) in cash and cash equivalents	(12)	14
Cash and cash equivalents at beginning of period	400	185
Cash and cash equivalents at end of period	$ 388	$ 199