Fair Value (Details) (USD $) In Millions	Jun. 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	$ 8,535	$ 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	545	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	545	288
Trading securities	30	28
Total available-for-sale securities and trading securities	575	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	525	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	8	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	222	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	257	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	10
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	24
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	20	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	30	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	9	36
Trading securities	30	28
Total available-for-sale securities and trading securities	39	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	0	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	9	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	30	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	532	248
Trading securities	0	0
Total available-for-sale securities and trading securities	532	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	521	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	8	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	222	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	257	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	10
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	24
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	11	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	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	575
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	525
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	30
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	39
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	30
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	532
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	521
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	7,990	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	7,990	7,849
Trading securities	2,513	2,306
Total available-for-sale securities and trading securities	10,503	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	7,380	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	67	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	1,438	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	5,428	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	61	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	222	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	72	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	71	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	610	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	2,513	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	218	190
Trading securities	2,500	2,294
Total available-for-sale securities and trading securities	2,718	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	23	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	11	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	12	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	195	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	2,500	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	7,715	7,597
Trading securities	0	0
Total available-for-sale securities and trading securities	7,715	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	7,307	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	56	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	1,434	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	5,405	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	56	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	222	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	72	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	41	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	408	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	57	62
Trading securities	13	12
Total available-for-sale securities and trading securities	70	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	11	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	30	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	7	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	10,503
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	7,380
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	2,513
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	2,718
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	23
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	2,500
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	7,715
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	7,307
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	70
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	11,078	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	2,757	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	8,247	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	74	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	11,078
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	2,757
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	8,247
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	$ 74