CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Revenues
Premiums earned	$ 1,402	$ 1,288
Net investment income	113	109
Net realized investment gains	56	56
Net impairment losses recognized in earnings	(2)	0
Equity in earnings of limited partnerships	28	50
Other income	8	8
Total revenues	1,605	1,511
Benefits and expenses
Insurance losses and loss expenses	1,060	1,034
Policy acquisition and underwriting expenses	348	321
Total benefits and expenses	1,408	1,355
Income (loss) from operations before income taxes and noncontrolling interest	197	156
Provision for income taxes	61	47
Net income (loss)	136	109	573
Less: Net income attributable to noncontrolling interest in consolidated entity – Exchange	97	63
Net income attributable to Indemnity	39	46
Indemnity
Revenues
Net investment income	4	4
Net realized investment gains	0	1
Equity in earnings of limited partnerships	2	6
Benefits and expenses
Income (loss) from operations before income taxes and noncontrolling interest	59	69
Provision for income taxes	20	23
Net income (loss)	39		168
Net income attributable to Indemnity	$ 39	$ 46
Class A | Indemnity
Net income attributable to Indemnity per share
Common stock - basic (in dollars per share)	$ 0.83	$ 0.99
Common stock - diluted (in dollars per share)	$ 0.74	$ 0.88
Weighted average shares outstanding attributable to Indemnity - Basic
Common stock - basic (in shares)	46,189,068	46,402,270
Weighted average shares outstanding attributable to Indemnity - Diluted
Common stock - diluted (in shares)	52,634,752	52,598,211
Dividends declared per share
Common stock (in dollars per share)	$ 0.6810	$ 0.6350	$ 2.4125
Class B | Indemnity
Net income attributable to Indemnity per share
Common stock - basic (in dollars per share)	$ 125.00	$ 149.00
Common stock - diluted (in dollars per share)	$ 125.00	$ 149.00
Weighted average shares outstanding attributable to Indemnity - Basic
Common stock - basic (in shares)	2,542	2,542
Weighted average shares outstanding attributable to Indemnity - Diluted
Common stock - diluted (in shares)	2,542	2,542
Dividends declared per share
Common stock (in dollars per share)	$ 102.1500	$ 95.2500	$ 361.8750