|
Derivatives, Sold and Purchased Credit Derivatives (Details) (USD $)
In Millions, unless otherwise specified
|
6 Months Ended |
12 Months Ended |
|
Jun. 30, 2013
|
Dec. 31, 2012
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Fair value liability |
$ 2,040 |
$ 2,623 |
| Notional amount Protection sold |
22,527 |
26,455 |
| Notional amount Protection purchased with identical underlyings |
11,872 |
14,930 |
| Notional Net protection sold |
10,655 |
11,525 |
| Notional Other protection purchased |
14,365 |
13,981 |
|
Non-investment Grade [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Notional amount Protection sold |
11,616 |
15,104 |
|
Structured products [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Fair value liability |
1,439 |
1,787 |
| Notional amount Protection sold |
1,971 |
2,433 |
| Notional amount Protection purchased with identical underlyings |
811 |
948 |
| Notional Net protection sold |
1,160 |
1,485 |
| Notional Other protection purchased |
364 |
393 |
|
Structured products [Member] | Minimum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Jan.
01,
2016 |
Jan.
01,
2016 |
|
Structured products [Member] | Maximum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Dec. 31,
2056 |
Dec. 31,
2056 |
|
Structured products [Member] | Non-investment Grade [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Notional amount Protection sold |
1,599 |
2,039 |
|
Credit Default Swap [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Fair value liability |
5 |
4 |
| Notional amount Protection sold |
3,753 |
3,520 |
| Notional amount Protection purchased with identical underlyings |
3,417 |
3,444 |
| Notional Net protection sold |
336 |
76 |
| Notional Other protection purchased |
586 |
616 |
|
Credit Default Swap [Member] | Minimum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Jan.
01,
2014 |
Jan.
01,
2013 |
|
Credit Default Swap [Member] | Maximum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Dec. 31,
2018 |
Dec. 31,
2017 |
|
Credit Default Swap [Member] | Non-investment Grade [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Notional amount Protection sold |
363 |
348 |
|
Corporate Bond Securities [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Fair value liability |
104 |
240 |
| Notional amount Protection sold |
12,727 |
15,845 |
| Notional amount Protection purchased with identical underlyings |
6,982 |
9,636 |
| Notional Net protection sold |
5,745 |
6,209 |
| Notional Other protection purchased |
7,319 |
7,701 |
|
Corporate Bond Securities [Member] | Minimum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Jan.
01,
2013 |
Jan.
01,
2013 |
|
Corporate Bond Securities [Member] | Maximum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Dec. 31,
2021 |
Dec. 31,
2021 |
|
Corporate Bond Securities [Member] | Non-investment Grade [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Notional amount Protection sold |
6,559 |
8,448 |
|
Total asset-backed securities [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Fair value liability |
53 |
57 |
| Notional amount Protection sold |
60 |
64 |
| Notional amount Protection purchased with identical underlyings |
4 |
6 |
| Notional Net protection sold |
56 |
58 |
| Notional Other protection purchased |
90 |
92 |
|
Total asset-backed securities [Member] | Minimum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Jan.
01,
2037 |
Jan.
01,
2037 |
|
Total asset-backed securities [Member] | Maximum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Dec. 31,
2046 |
Dec. 31,
2046 |
|
Total asset-backed securities [Member] | Non-investment Grade [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Notional amount Protection sold |
60 |
64 |
|
Commercial [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Fair value liability |
438 |
531 |
| Notional amount Protection sold |
1,203 |
1,249 |
| Notional amount Protection purchased with identical underlyings |
634 |
790 |
| Notional Net protection sold |
569 |
459 |
| Notional Other protection purchased |
545 |
524 |
|
Commercial [Member] | Minimum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Jan.
01,
2049 |
Jan.
01,
2049 |
|
Commercial [Member] | Maximum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Dec. 31,
2052 |
Dec. 31,
2052 |
|
Commercial [Member] | Non-investment Grade [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Notional amount Protection sold |
240 |
861 |
|
Other Credit Derivatives [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Fair value liability |
1 |
4 |
| Notional amount Protection sold |
2,813 |
3,344 |
| Notional amount Protection purchased with identical underlyings |
24 |
106 |
| Notional Net protection sold |
2,789 |
3,238 |
| Notional Other protection purchased |
5,461 |
4,655 |
|
Other Credit Derivatives [Member] | Minimum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Jan.
01,
2013 |
Jan.
01,
2013 |
|
Other Credit Derivatives [Member] | Maximum [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Derivative range of maturity dates |
Dec. 31,
2056 |
Dec. 31,
2056 |
|
Other Credit Derivatives [Member] | Non-investment Grade [Member]
|
|
|
| Details of Sold and Purchased Credit Derivatives [Abstract] |
|
|
| Notional amount Protection sold |
$ 2,795 |
$ 3,344 |