CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities
Premiums collected	$ 5,466	$ 5,026	$ 4,594
Net investment income received	484	450	471
Limited partnership distributions	131	176	164
Service agreement fee received	31	31	31
Commissions and bonuses paid to agents	(749)	(681)	(617)
Losses paid	(3,217)	(2,742)	(2,818)
Loss expenses paid	(516)	(470)	(464)
Other underwriting and acquisition costs paid	(661)	(603)	(557)
Income taxes paid	(190)	(284)	(227)
Net cash provided by operating activities	779	903	577
Purchase of investments:
Fixed maturities	(2,298)	(2,879)	(2,112)
Preferred stock	(445)	(136)	(172)
Common stock	(1,262)	(1,339)	(1,807)
Limited partnerships	(120)	(88)	(100)
Sales/maturities of investments:
Fixed maturity sales	645	849	881
Fixed maturity calls/maturities	854	1,135	1,169
Preferred stock	398	115	154
Common stock	1,486	1,426	1,733
Sale of and returns on limited partnerships	197	198	201
Net purchase of property and equipment	(52)	(42)	(33)
Net collections on agent loans	2	3	1
Net distributions on life policy loans	(1)	(1)	0
Net cash used in investing activities	(596)	(759)	(85)
Cash flows from financing activities
Annuity deposits and interest	85	89	92
Annuity surrenders and withdrawals	(88)	(82)	(83)
Universal life deposits and interest	34	27	23
Universal life surrenders	(13)	(10)	(10)
Purchase of treasury stock	(20)	(32)	(70)
Dividends paid to shareholders	(119)	(84)	(229)
Net cash used in financing activities	(121)	(92)	(277)
Net increase in cash and cash equivalents	62	52	215
Cash and cash equivalents at beginning of year	452	400	185
Cash and cash equivalents at end of year	$ 514	$ 452	$ 400