Indemnity Supplemental Information (Details 3) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Condensed financial statements
Service agreement fee received	$ 17	$ 17
Premiums collected	2,115	2,011
Net investment income received	224	217
Limited partnership distributions	67	48
Commissions and bonuses paid to agents	(313)	(290)
Losses paid	(1,409)	(1,216)
Loss expenses paid	(214)	(212)
Other underwriting and acquisition costs paid	(274)	(278)
Income taxes paid	(13)	(85)
Net cash provided by operating activities	200	212
Net cash used in investing activities	(397)	(180)
Net cash used in financing activities	(124)	(43)
Net decrease in cash and cash equivalents	(321)	(11)
Cash and cash equivalents at beginning of period	430	234
Cash and cash equivalents at end of period	109	223
Indemnity
Condensed financial statements
Management fee received	521	467
Service agreement fee received	17	17
Premiums collected		109
Net investment income received	13	23
Limited partnership distributions	10	7
Decrease in reimbursements collected from affiliates	(18)	(11)
Commissions and bonuses paid to agents	(313)	(290)
Salaries and wages paid	(62)	(56)
Employee benefits paid	(11)	(20)
Losses paid		(67)
Loss expenses paid		(11)
Other underwriting and acquisition costs paid		(30)
General operating expenses paid	(68)	(59)
Income taxes paid	(28)	(37)
Net cash provided by operating activities	61	42
Net cash used in investing activities	(181)	(17)
Net cash used in financing activities	(142)	(67)
Net decrease in cash and cash equivalents	(262)	(42)
Cash and cash equivalents at beginning of period	310	76
Cash and cash equivalents at end of period	$ 48	$ 34