CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Available-for-sale securities, at fair value:
Fixed maturities	$ 8,312	$ 8,159
Equity securities	992	1,000
Trading securities, at fair value	2,662	2,417
Limited partnerships	1,171	1,217
Other invested assets	21	21
Total investments	13,158	12,814
Cash and cash equivalents (Exchange portion of $347 and $388, respectively)	388	400
Premiums receivable from policyholders	1,113	1,062
Reinsurance recoverable	169	168
Deferred income taxes	39	37
Deferred acquisition costs	510	504
Other assets (Exchange portion of $299 and $339, respectively)	414	456
Total assets	15,791	15,441
Liabilities
Losses and loss expense reserves	3,628	3,598
Life policy and deposit contract reserves	1,726	1,708
Unearned premiums	2,399	2,365
Deferred income taxes	410	365
Total liabilities	8,774	8,650
Indemnity shareholders' equity
Total Indemnity shareholders' equity	636	642
Noncontrolling interest in consolidated entity - Exchange	6,381	6,149
Total equity	7,017	6,791
Total liabilities, shareholders' equity and noncontrolling interest	15,791	15,441
Indemnity
Available-for-sale securities, at fair value:
Fixed maturities	421	452
Equity securities	49	55
Trading securities, at fair value	0	0
Limited partnerships	167	180
Other invested assets	1	1
Total investments	638	688
Cash and cash equivalents (Exchange portion of $347 and $388, respectively)	41	12
Deferred income taxes	39	37
Other assets (Exchange portion of $299 and $339, respectively)	115	117
Total assets	1,145	1,160
Liabilities
Deferred income taxes	0	0
Other liabilities	506	515
Total liabilities	509	518
Indemnity shareholders' equity
Additional paid-in-capital	16	16
Accumulated other comprehensive loss	(134)	(133)
Retained earnings	1,861	1,852
Total contributed capital and retained earnings	1,745	1,737
Treasury stock, at cost, 21,596,082 and 21,406,519 shares, respectively	(1,109)	(1,095)
Total Indemnity shareholders' equity	636	642
Total equity	636	642
Total liabilities, shareholders' equity and noncontrolling interest	1,145	1,160
Exchange
Available-for-sale securities, at fair value:
Fixed maturities	7,891	7,707
Equity securities	943	945
Trading securities, at fair value	2,662	2,417
Limited partnerships	1,004	1,037
Other invested assets	20	20
Total investments	12,520	12,126
Cash and cash equivalents (Exchange portion of $347 and $388, respectively)	347	388
Premiums receivable from policyholders	1,113	1,062
Reinsurance recoverable	169	168
Deferred income taxes	0	0
Deferred acquisition costs	510	504
Other assets (Exchange portion of $299 and $339, respectively)	299	339
Total assets	14,958	14,587
Liabilities
Losses and loss expense reserves	3,628	3,598
Life policy and deposit contract reserves	1,726	1,708
Unearned premiums	2,399	2,365
Deferred income taxes	410	365
Other liabilities	105	99
Total liabilities	8,577	8,438
Indemnity shareholders' equity
Noncontrolling interest in consolidated entity - Exchange	6,381	6,149
Total equity	6,381	6,149
Total liabilities, shareholders' equity and noncontrolling interest	14,958	14,587
Class A | Indemnity
Indemnity shareholders' equity
Common stock	2	2
Class B | Indemnity
Indemnity shareholders' equity
Common stock	$ 0	$ 0