Fair Value (Details 4) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
---|---|---|
Fair value by pricing source | ||
Available-for-sale securities | $ 9,557 | $ 9,159 |
Indemnity
|
||
Fair value by pricing source | ||
Available-for-sale securities | 576 | 507 |
Exchange
|
||
Fair value by pricing source | ||
Available-for-sale securities | 8,981 | 8,652 |
Fair value measurements on a recurring basis
|
||
Fair value by pricing source | ||
Total | 12,875 | 11,704 |
Fair value measurements on a recurring basis | Indemnity
|
||
Fair value by pricing source | ||
Available-for-sale securities | 576 | 507 |
Total | 594 | 526 |
Fair value measurements on a recurring basis | Indemnity | Fixed maturities
|
||
Fair value by pricing source | ||
Available-for-sale securities | 526 | 452 |
Fair value measurements on a recurring basis | Indemnity | Fixed maturities | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 524 | |
Fair value measurements on a recurring basis | Indemnity | Fixed maturities | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 1 | |
Fair value measurements on a recurring basis | Indemnity | Fixed maturities | Priced via internal modeling
|
||
Fair value by pricing source | ||
Available-for-sale securities | 1 | |
Fair value measurements on a recurring basis | Indemnity | Nonredeemable preferred stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 25 | 29 |
Fair value measurements on a recurring basis | Indemnity | Nonredeemable preferred stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 23 | |
Fair value measurements on a recurring basis | Indemnity | Nonredeemable preferred stock | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 2 | |
Fair value measurements on a recurring basis | Indemnity | Common stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 25 | 26 |
Fair value measurements on a recurring basis | Indemnity | Common stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 25 | |
Fair value measurements on a recurring basis | Indemnity | Real estate
|
||
Fair value by pricing source | ||
Other investments | 18 | 19 |
Fair value measurements on a recurring basis | Indemnity | Real estate | Priced via unobservable inputs
|
||
Fair value by pricing source | ||
Other investments | 18 | |
Fair value measurements on a recurring basis | Exchange
|
||
Fair value by pricing source | ||
Available-for-sale securities | 8,981 | 8,652 |
Total | 12,281 | 11,178 |
Fair value measurements on a recurring basis | Exchange | Fixed maturities
|
||
Fair value by pricing source | ||
Available-for-sale securities | 8,162 | 7,707 |
Fair value measurements on a recurring basis | Exchange | Fixed maturities | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 8,075 | |
Fair value measurements on a recurring basis | Exchange | Fixed maturities | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 78 | |
Fair value measurements on a recurring basis | Exchange | Fixed maturities | Priced via internal modeling
|
||
Fair value by pricing source | ||
Available-for-sale securities | 9 | |
Fair value measurements on a recurring basis | Exchange | Nonredeemable preferred stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 621 | 631 |
Fair value measurements on a recurring basis | Exchange | Nonredeemable preferred stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 606 | |
Fair value measurements on a recurring basis | Exchange | Nonredeemable preferred stock | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 15 | |
Fair value measurements on a recurring basis | Exchange | Common stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 198 | 314 |
Trading and available-for-sale securities | 3,400 | |
Fair value measurements on a recurring basis | Exchange | Common stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Trading and available-for-sale securities | 3,385 | |
Fair value measurements on a recurring basis | Exchange | Common stock | Priced via internal modeling
|
||
Fair value by pricing source | ||
Trading and available-for-sale securities | 15 | |
Fair value measurements on a recurring basis | Exchange | Real estate
|
||
Fair value by pricing source | ||
Other investments | 98 | 109 |
Fair value measurements on a recurring basis | Exchange | Real estate | Priced via unobservable inputs
|
||
Fair value by pricing source | ||
Other investments | 98 | |
Fair value measurements on a recurring basis | Level 1
|
||
Fair value by pricing source | ||
Total | 3,654 | 2,945 |
Fair value measurements on a recurring basis | Level 1 | Indemnity
|
||
Fair value by pricing source | ||
Available-for-sale securities | 27 | 30 |
Total | 27 | 30 |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Fixed maturities
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | 0 |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Fixed maturities | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Fixed maturities | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Fixed maturities | Priced via internal modeling
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Nonredeemable preferred stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 2 | 4 |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Nonredeemable preferred stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 2 | |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Nonredeemable preferred stock | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Common stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 25 | 26 |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Common stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 25 | |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Real estate
|
||
Fair value by pricing source | ||
Other investments | 0 | 0 |
Fair value measurements on a recurring basis | Level 1 | Indemnity | Real estate | Priced via unobservable inputs
|
||
Fair value by pricing source | ||
Other investments | 0 | |
Fair value measurements on a recurring basis | Level 1 | Exchange
|
||
Fair value by pricing source | ||
Available-for-sale securities | 440 | 513 |
Total | 3,627 | 2,915 |
Fair value measurements on a recurring basis | Level 1 | Exchange | Fixed maturities
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | 0 |
Fair value measurements on a recurring basis | Level 1 | Exchange | Fixed maturities | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Exchange | Fixed maturities | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Exchange | Fixed maturities | Priced via internal modeling
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Exchange | Nonredeemable preferred stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 242 | 199 |
Fair value measurements on a recurring basis | Level 1 | Exchange | Nonredeemable preferred stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 242 | |
Fair value measurements on a recurring basis | Level 1 | Exchange | Nonredeemable preferred stock | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Exchange | Common stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 198 | 314 |
Trading and available-for-sale securities | 3,385 | |
Fair value measurements on a recurring basis | Level 1 | Exchange | Common stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Trading and available-for-sale securities | 3,385 | |
Fair value measurements on a recurring basis | Level 1 | Exchange | Common stock | Priced via internal modeling
|
||
Fair value by pricing source | ||
Trading and available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 1 | Exchange | Real estate
|
||
Fair value by pricing source | ||
Other investments | 0 | 0 |
Fair value measurements on a recurring basis | Level 1 | Exchange | Real estate | Priced via unobservable inputs
|
||
Fair value by pricing source | ||
Other investments | 0 | |
Fair value measurements on a recurring basis | Level 2
|
||
Fair value by pricing source | ||
Total | 9,057 | 8,553 |
Fair value measurements on a recurring basis | Level 2 | Indemnity
|
||
Fair value by pricing source | ||
Available-for-sale securities | 547 | 473 |
Total | 547 | 473 |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Fixed maturities
|
||
Fair value by pricing source | ||
Available-for-sale securities | 524 | 448 |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Fixed maturities | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 524 | |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Fixed maturities | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Fixed maturities | Priced via internal modeling
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Nonredeemable preferred stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 23 | 25 |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Nonredeemable preferred stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 21 | |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Nonredeemable preferred stock | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 2 | |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Common stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | 0 |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Common stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Real estate
|
||
Fair value by pricing source | ||
Other investments | 0 | 0 |
Fair value measurements on a recurring basis | Level 2 | Indemnity | Real estate | Priced via unobservable inputs
|
||
Fair value by pricing source | ||
Other investments | 0 | |
Fair value measurements on a recurring basis | Level 2 | Exchange
|
||
Fair value by pricing source | ||
Available-for-sale securities | 8,510 | 8,080 |
Total | 8,510 | 8,080 |
Fair value measurements on a recurring basis | Level 2 | Exchange | Fixed maturities
|
||
Fair value by pricing source | ||
Available-for-sale securities | 8,131 | 7,648 |
Fair value measurements on a recurring basis | Level 2 | Exchange | Fixed maturities | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 8,075 | |
Fair value measurements on a recurring basis | Level 2 | Exchange | Fixed maturities | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 56 | |
Fair value measurements on a recurring basis | Level 2 | Exchange | Fixed maturities | Priced via internal modeling
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 2 | Exchange | Nonredeemable preferred stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 379 | 432 |
Fair value measurements on a recurring basis | Level 2 | Exchange | Nonredeemable preferred stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 364 | |
Fair value measurements on a recurring basis | Level 2 | Exchange | Nonredeemable preferred stock | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 15 | |
Fair value measurements on a recurring basis | Level 2 | Exchange | Common stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | 0 |
Trading and available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 2 | Exchange | Common stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Trading and available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 2 | Exchange | Common stock | Priced via internal modeling
|
||
Fair value by pricing source | ||
Trading and available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 2 | Exchange | Real estate
|
||
Fair value by pricing source | ||
Other investments | 0 | 0 |
Fair value measurements on a recurring basis | Level 2 | Exchange | Real estate | Priced via unobservable inputs
|
||
Fair value by pricing source | ||
Other investments | 0 | |
Fair value measurements on a recurring basis | Level 3
|
||
Fair value by pricing source | ||
Total | 164 | 206 |
Fair value measurements on a recurring basis | Level 3 | Indemnity
|
||
Fair value by pricing source | ||
Available-for-sale securities | 2 | 4 |
Total | 20 | 23 |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Fixed maturities
|
||
Fair value by pricing source | ||
Available-for-sale securities | 2 | 4 |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Fixed maturities | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Fixed maturities | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 1 | |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Fixed maturities | Priced via internal modeling
|
||
Fair value by pricing source | ||
Available-for-sale securities | 1 | |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Nonredeemable preferred stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | 0 |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Nonredeemable preferred stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Nonredeemable preferred stock | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Common stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | 0 |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Common stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Real estate
|
||
Fair value by pricing source | ||
Other investments | 18 | 19 |
Fair value measurements on a recurring basis | Level 3 | Indemnity | Real estate | Priced via unobservable inputs
|
||
Fair value by pricing source | ||
Other investments | 18 | |
Fair value measurements on a recurring basis | Level 3 | Exchange
|
||
Fair value by pricing source | ||
Available-for-sale securities | 31 | 59 |
Total | 144 | 183 |
Fair value measurements on a recurring basis | Level 3 | Exchange | Fixed maturities
|
||
Fair value by pricing source | ||
Available-for-sale securities | 31 | 59 |
Fair value measurements on a recurring basis | Level 3 | Exchange | Fixed maturities | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 3 | Exchange | Fixed maturities | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 22 | |
Fair value measurements on a recurring basis | Level 3 | Exchange | Fixed maturities | Priced via internal modeling
|
||
Fair value by pricing source | ||
Available-for-sale securities | 9 | |
Fair value measurements on a recurring basis | Level 3 | Exchange | Nonredeemable preferred stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | 0 |
Fair value measurements on a recurring basis | Level 3 | Exchange | Nonredeemable preferred stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 3 | Exchange | Nonredeemable preferred stock | Priced via market comparables/broker quotes
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 3 | Exchange | Common stock
|
||
Fair value by pricing source | ||
Available-for-sale securities | 0 | 0 |
Trading and available-for-sale securities | 15 | |
Fair value measurements on a recurring basis | Level 3 | Exchange | Common stock | Priced via pricing services
|
||
Fair value by pricing source | ||
Trading and available-for-sale securities | 0 | |
Fair value measurements on a recurring basis | Level 3 | Exchange | Common stock | Priced via internal modeling
|
||
Fair value by pricing source | ||
Trading and available-for-sale securities | 15 | |
Fair value measurements on a recurring basis | Level 3 | Exchange | Real estate
|
||
Fair value by pricing source | ||
Other investments | 98 | 109 |
Fair value measurements on a recurring basis | Level 3 | Exchange | Real estate | Priced via unobservable inputs
|
||
Fair value by pricing source | ||
Other investments | 98 | |
Fair value measurements on a nonrecurring basis
|
||
Fair value by pricing source | ||
Total | $ 0 |