Fair Value (Details) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	$ 8,461	$ 8,137
Indemnity
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	539	288
Indemnity | Fair value measurements on a recurring basis | Total
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	539	288
Trading securities	26	28
Total available-for-sale securities and trading securities	565	316
Indemnity | Fair value measurements on a recurring basis | Total | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	517	264
Indemnity | Fair value measurements on a recurring basis | Total | U.S. government & agencies
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities		25
Indemnity | Fair value measurements on a recurring basis | Total | States & political subdivisions
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	224	197
Indemnity | Fair value measurements on a recurring basis | Total | Corporate debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	260	38
Indemnity | Fair value measurements on a recurring basis | Total | Other debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	9
Indemnity | Fair value measurements on a recurring basis | Total | Commercial mortgage-backed securities (CMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	20
Indemnity | Fair value measurements on a recurring basis | Total | Collateralized debt obligations (CDO)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	4	4
Indemnity | Fair value measurements on a recurring basis | Total | Nonredeemable preferred stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	22	24
Indemnity | Fair value measurements on a recurring basis | Total | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Trading securities	26	28
Indemnity | Fair value measurements on a recurring basis | Level 1
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	7	36
Trading securities	26	28
Total available-for-sale securities and trading securities	33	64
Indemnity | Fair value measurements on a recurring basis | Level 1 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	25
Indemnity | Fair value measurements on a recurring basis | Level 1 | U.S. government & agencies
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities		25
Indemnity | Fair value measurements on a recurring basis | Level 1 | States & political subdivisions
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Indemnity | Fair value measurements on a recurring basis | Level 1 | Corporate debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Indemnity | Fair value measurements on a recurring basis | Level 1 | Other debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0
Indemnity | Fair value measurements on a recurring basis | Level 1 | Commercial mortgage-backed securities (CMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0
Indemnity | Fair value measurements on a recurring basis | Level 1 | Collateralized debt obligations (CDO)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Indemnity | Fair value measurements on a recurring basis | Level 1 | Nonredeemable preferred stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	7	11
Indemnity | Fair value measurements on a recurring basis | Level 1 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Trading securities	26	28
Indemnity | Fair value measurements on a recurring basis | Level 2
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	528	248
Trading securities	0	0
Total available-for-sale securities and trading securities	528	248
Indemnity | Fair value measurements on a recurring basis | Level 2 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	513	235
Indemnity | Fair value measurements on a recurring basis | Level 2 | U.S. government & agencies
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities		0
Indemnity | Fair value measurements on a recurring basis | Level 2 | States & political subdivisions
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	224	197
Indemnity | Fair value measurements on a recurring basis | Level 2 | Corporate debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	260	38
Indemnity | Fair value measurements on a recurring basis | Level 2 | Other debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	9
Indemnity | Fair value measurements on a recurring basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	20
Indemnity | Fair value measurements on a recurring basis | Level 2 | Collateralized debt obligations (CDO)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Indemnity | Fair value measurements on a recurring basis | Level 2 | Nonredeemable preferred stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	15	13
Indemnity | Fair value measurements on a recurring basis | Level 2 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Trading securities	0	0
Indemnity | Fair value measurements on a recurring basis | Level 3
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	4	4
Trading securities	0	0
Total available-for-sale securities and trading securities	4	4
Indemnity | Fair value measurements on a recurring basis | Level 3 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	4	4
Indemnity | Fair value measurements on a recurring basis | Level 3 | U.S. government & agencies
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities		0
Indemnity | Fair value measurements on a recurring basis | Level 3 | States & political subdivisions
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Indemnity | Fair value measurements on a recurring basis | Level 3 | Corporate debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Indemnity | Fair value measurements on a recurring basis | Level 3 | Other debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0
Indemnity | Fair value measurements on a recurring basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0
Indemnity | Fair value measurements on a recurring basis | Level 3 | Collateralized debt obligations (CDO)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	4	4
Indemnity | Fair value measurements on a recurring basis | Level 3 | Nonredeemable preferred stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Indemnity | Fair value measurements on a recurring basis | Level 3 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Trading securities	0	0
Indemnity | Total
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	565
Indemnity | Total | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	517
Indemnity | Total | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	26
Indemnity | Level 1
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	33
Indemnity | Level 1 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	0
Indemnity | Level 1 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	26
Indemnity | Level 2
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	528
Indemnity | Level 2 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	513
Indemnity | Level 2 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	0
Indemnity | Level 3
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	4
Indemnity | Level 3 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	4
Indemnity | Level 3 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	0
Exchange
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	7,922	7,849
Exchange | Fair value measurements on a recurring basis | Total
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	7,922	7,849
Trading securities	2,085	2,306
Total available-for-sale securities and trading securities	10,007	10,155
Exchange | Fair value measurements on a recurring basis | Total | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	7,331	7,279
Exchange | Fair value measurements on a recurring basis | Total | U.S. government & agencies
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	37	87
Exchange | Fair value measurements on a recurring basis | Total | States & political subdivisions
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	1,417	1,471
Exchange | Fair value measurements on a recurring basis | Total | Foreign government securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	21	21
Exchange | Fair value measurements on a recurring basis | Total | Corporate debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	5,446	5,263
Exchange | Fair value measurements on a recurring basis | Total | Other debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	68	57
Exchange | Fair value measurements on a recurring basis | Total | Residential mortgage-backed securities (RMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	203	224
Exchange | Fair value measurements on a recurring basis | Total | Commercial mortgage-backed securities (CMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	70	86
Exchange | Fair value measurements on a recurring basis | Total | Collateralized debt obligations (CDO)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	69	70
Exchange | Fair value measurements on a recurring basis | Total | Nonredeemable preferred stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	591	570
Exchange | Fair value measurements on a recurring basis | Total | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Trading securities	2,085	2,306
Exchange | Fair value measurements on a recurring basis | Level 1
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	202	190
Trading securities	2,072	2,294
Total available-for-sale securities and trading securities	2,274	2,484
Exchange | Fair value measurements on a recurring basis | Level 1 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	21	24
Exchange | Fair value measurements on a recurring basis | Level 1 | U.S. government & agencies
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	6	12
Exchange | Fair value measurements on a recurring basis | Level 1 | States & political subdivisions
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 1 | Foreign government securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 1 | Corporate debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	15	12
Exchange | Fair value measurements on a recurring basis | Level 1 | Other debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 1 | Residential mortgage-backed securities (RMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 1 | Commercial mortgage-backed securities (CMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 1 | Collateralized debt obligations (CDO)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 1 | Nonredeemable preferred stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	181	166
Exchange | Fair value measurements on a recurring basis | Level 1 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Trading securities	2,072	2,294
Exchange | Fair value measurements on a recurring basis | Level 2
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	7,664	7,597
Trading securities	0	0
Total available-for-sale securities and trading securities	7,664	7,597
Exchange | Fair value measurements on a recurring basis | Level 2 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	7,260	7,200
Exchange | Fair value measurements on a recurring basis | Level 2 | U.S. government & agencies
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	31	75
Exchange | Fair value measurements on a recurring basis | Level 2 | States & political subdivisions
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	1,413	1,467
Exchange | Fair value measurements on a recurring basis | Level 2 | Foreign government securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	21	21
Exchange | Fair value measurements on a recurring basis | Level 2 | Corporate debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	5,419	5,240
Exchange | Fair value measurements on a recurring basis | Level 2 | Other debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	63	47
Exchange | Fair value measurements on a recurring basis | Level 2 | Residential mortgage-backed securities (RMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	203	224
Exchange | Fair value measurements on a recurring basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	70	86
Exchange | Fair value measurements on a recurring basis | Level 2 | Collateralized debt obligations (CDO)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	40	40
Exchange | Fair value measurements on a recurring basis | Level 2 | Nonredeemable preferred stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	404	397
Exchange | Fair value measurements on a recurring basis | Level 2 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Trading securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 3
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	56	62
Trading securities	13	12
Total available-for-sale securities and trading securities	69	74
Exchange | Fair value measurements on a recurring basis | Level 3 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	50	55
Exchange | Fair value measurements on a recurring basis | Level 3 | U.S. government & agencies
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 3 | States & political subdivisions
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	4	4
Exchange | Fair value measurements on a recurring basis | Level 3 | Foreign government securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 3 | Corporate debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	12	11
Exchange | Fair value measurements on a recurring basis | Level 3 | Other debt securities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	5	10
Exchange | Fair value measurements on a recurring basis | Level 3 | Residential mortgage-backed securities (RMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	0	0
Exchange | Fair value measurements on a recurring basis | Level 3 | Collateralized debt obligations (CDO)
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	29	30
Exchange | Fair value measurements on a recurring basis | Level 3 | Nonredeemable preferred stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Available-for-sale securities	6	7
Exchange | Fair value measurements on a recurring basis | Level 3 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Trading securities	13	12
Exchange | Total
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	10,007
Exchange | Total | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	7,331
Exchange | Total | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	2,085
Exchange | Level 1
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	2,274
Exchange | Level 1 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	21
Exchange | Level 1 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	2,072
Exchange | Level 2
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	7,664
Exchange | Level 2 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	7,260
Exchange | Level 2 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	0
Exchange | Level 3
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	69
Exchange | Level 3 | Fixed maturities
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	50
Exchange | Level 3 | Common stock
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	13
Fair value measurements on a recurring basis | Total
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	10,572	10,471
Fair value measurements on a recurring basis | Level 1
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	2,307	2,548
Fair value measurements on a recurring basis | Level 2
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	8,192	7,845
Fair value measurements on a recurring basis | Level 3
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	73	78
Total
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	10,572
Level 1
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	2,307
Level 2
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	8,192
Level 3
Fair value measurements on a recurring basis for consolidated available-for-sale and trading securities by asset class and level of input
Total available-for-sale securities and trading securities	$ 73