CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities
Premiums collected	$ 2,450	$ 2,253
Net investment income received	222	233
Limited partnership distributions	79	54
Service agreement fee received	15	15
Commissions and bonuses paid to agents	(356)	(320)
Losses paid	(1,359)	(1,267)
Loss expenses paid	(227)	(232)
Other underwriting and acquisition costs paid	(345)	(318)
Income taxes paid	(149)	(227)
Net cash provided by (used in) operating activities	330	191
Purchase of investments:
Fixed maturities	(1,240)	(983)
Preferred stock	(54)	(82)
Common stock	(700)	(518)
Limited partnerships	(52)	(42)
Sales/maturities of investments:
Fixed maturity sales	330	338
Fixed maturity calls/maturities	617	567
Preferred stock	42	67
Common stock	654	503
Sale of and returns on limited partnerships	86	112
Net purchase of property and equipment	(19)	(20)
Net collections on agent loans	1	1
Net cash provided by (used in) investing activities	(335)	(57)
Cash flows from financing activities
Annuity deposits and interest	47	49
Annuity surrenders and withdrawals	(39)	(37)
Universal life deposits and interest	12	11
Universal life surrenders	(5)	(5)
Purchase of treasury stock	(17)	(44)
Dividends paid to shareholders	(28)	(53)
Net cash provided by (used in) financing activities	(30)	(79)
Net increase (decrease) in cash and cash equivalents	(35)	55
Cash and cash equivalents at beginning of period	400	185
Cash and cash equivalents at end of period	$ 365	$ 240