|
Derivative Instruments (Gross Notional Amount and Fair Value of Derivatives Contracts) (Details) (USD $)
In Thousands, unless otherwise specified
|
Dec. 31, 2013
|
Dec. 31, 2012
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Total Derivatives |
$ 43,839,401 |
[1] |
$ 26,520,138 |
[1] |
| Fair Value Asset |
|
|
|
|
| Total Derivatives |
73,646 |
[1] |
187,616 |
[1] |
| Fair Value Liability |
|
|
|
|
| Total Derivatives |
218,467 |
[1] |
68,689 |
[1] |
|
Designated as Hedging Instrument [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Qualifying Hedge Relationships |
249,601 |
|
145,174 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
6,304 |
|
4,152 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
11,583 |
|
3,904 |
|
|
Nondesignated [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Non-Qualifying Hedge Relationships |
43,589,800 |
|
26,374,964 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
67,342 |
|
183,464 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
206,884 |
|
64,785 |
|
|
Credit Default Swap Member | Nondesignated [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Non-Qualifying Hedge Relationships |
14,275 |
|
14,275 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
15 |
|
614 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
862 |
|
894 |
|
|
Interest Rate Contract [Member] | Interest Rate Swap Member | Nondesignated [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Non-Qualifying Hedge Relationships |
2,434,400 |
|
1,729,400 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
47,475 |
|
109,855 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
185,222 |
|
22,930 |
|
|
Foreign Exchange Contract [Member] | Forward Contracts Member | Nondesignated [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Non-Qualifying Hedge Relationships |
507 |
|
5,424 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
2 |
|
48 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
0 |
|
0 |
|
|
Cross Currency Interest Rate Contract [Member] | Currency Swap Member | Designated as Hedging Instrument [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Qualifying Hedge Relationships |
249,601 |
|
145,174 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
6,304 |
|
4,152 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
11,583 |
|
3,904 |
|
|
Cross Currency Interest Rate Contract [Member] | Currency Swap Member | Nondesignated [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Non-Qualifying Hedge Relationships |
69,450 |
|
62,468 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
211 |
|
1,516 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
3,325 |
|
2,064 |
|
|
Equity Contract [Member] | Equity Options [Member] | Nondesignated [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Non-Qualifying Hedge Relationships |
40,739,168 |
|
24,243,020 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
19,639 |
|
70,669 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
9,418 |
|
32,824 |
|
|
Equity Contract [Member] | Total Return Swap Member | Nondesignated [Member]
|
|
|
|
|
| NotionalAmountOfDerivativesAbstract |
|
|
|
|
| Non-Qualifying Hedge Relationships |
332,000 |
|
320,377 |
|
| Fair Value Asset |
|
|
|
|
| Derivative Fair Value Of Derivative Asset |
0 |
|
762 |
|
| Fair Value Liability |
|
|
|
|
| Derivative Fair Value Of Derivative Liability |
$ 8,057 |
|
$ 6,073 |
|
|
|
|