|
Derivatives, Notional or Contractual Amounts (Details) (USD $)
In Millions, unless otherwise specified
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Fair Value Asset derivatives, net |
$ 23,816 |
$ 27,553 |
| Fair Value Asset derivatives, netting |
(62,108) |
(81,143) |
| Fair Value Liability derivatives, net |
11,942 |
15,468 |
| Fair Value Liability derivatives, netting |
(71,116) |
(89,990) |
|
Derivatives [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Fair Value Asset derivatives |
85,924 |
108,696 |
| Fair Value Liability derivatives |
83,058 |
105,458 |
|
Designated as Hedging Instrument [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Fair Value Asset derivatives |
9,092 |
9,946 |
| Fair Value Liability derivatives |
2,970 |
3,341 |
|
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
92,004 |
87,537 |
| Fair Value Asset derivatives |
7,284 |
8,423 |
| Fair Value Liability derivatives |
2,696 |
2,769 |
|
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
27,382 |
22,269 |
| Fair Value Asset derivatives |
1,808 |
1,523 |
| Fair Value Liability derivatives |
274 |
572 |
|
Not Designated as Hedging Instrument [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Fair Value Asset derivatives |
76,832 |
98,750 |
| Fair Value Liability derivatives |
80,088 |
102,117 |
|
Not Designated as Hedging Instrument [Member] | Customer accommodation trading and other free standing derivatives [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Fair Value Asset derivatives |
76,379 |
96,179 |
| Fair Value Liability derivatives |
79,202 |
99,986 |
|
Not Designated as Hedging Instrument [Member] | Free standing derivatives (economic hedges) [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Fair Value Asset derivatives |
453 |
2,571 |
| Fair Value Liability derivatives |
886 |
2,131 |
|
Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] | Customer accommodation trading and other free standing derivatives [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
2,774,783 |
2,425,144 |
| Fair Value Asset derivatives |
63,617 |
81,336 |
| Fair Value Liability derivatives |
65,305 |
83,834 |
|
Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] | Free standing derivatives (economic hedges) [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
334,555 |
377,497 |
| Fair Value Asset derivatives |
450 |
2,318 |
| Fair Value Liability derivatives |
694 |
2,011 |
|
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Customer accommodation trading and other free standing derivatives [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
166,061 |
140,704 |
| Fair Value Asset derivatives |
3,713 |
3,151 |
| Fair Value Liability derivatives |
3,241 |
2,803 |
|
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Free standing derivatives (economic hedges) [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
3,074 |
5,833 |
| Fair Value Asset derivatives |
3 |
250 |
| Fair Value Liability derivatives |
64 |
3 |
|
Not Designated as Hedging Instrument [Member] | Equity Contract [Member] | Customer accommodation trading and other free standing derivatives [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
71,958 |
68,778 |
| Fair Value Asset derivatives |
3,783 |
3,768 |
| Fair Value Liability derivatives |
4,114 |
3,661 |
|
Not Designated as Hedging Instrument [Member] | Equity Contract [Member] | Free standing derivatives (economic hedges) [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
75 |
0 |
| Fair Value Asset derivatives |
0 |
0 |
| Fair Value Liability derivatives |
50 |
0 |
|
Not Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Customer accommodation trading and other free standing derivatives [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
90,732 |
77,985 |
| Fair Value Asset derivatives |
3,456 |
4,351 |
| Fair Value Liability derivatives |
3,590 |
4,234 |
|
Not Designated as Hedging Instrument [Member] | Credit Contracts Protection Purchased [Member] | Customer accommodation trading and other free standing derivatives [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
29,021 |
36,156 |
| Fair Value Asset derivatives |
1,495 |
3,254 |
| Fair Value Liability derivatives |
329 |
276 |
|
Not Designated as Hedging Instrument [Member] | Credit Contracts Protection Purchased [Member] | Free standing derivatives (economic hedges) [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
16 |
125 |
| Fair Value Asset derivatives |
0 |
3 |
| Fair Value Liability derivatives |
0 |
0 |
|
Not Designated as Hedging Instrument [Member] | Credit Contracts Protection Sold [Member] | Customer accommodation trading and other free standing derivatives [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
26,455 |
38,403 |
| Fair Value Asset derivatives |
315 |
319 |
| Fair Value Liability derivatives |
2,623 |
5,178 |
|
Not Designated as Hedging Instrument [Member] | Other Contract [Member] | Free standing derivatives (economic hedges) [Member]
|
|
|
| Notional Or Contractual Amounts And Fair Values For Derivatives [Abstract] |
|
|
| Notional or contractual amount |
2,296 |
2,367 |
| Fair Value Asset derivatives |
0 |
0 |
| Fair Value Liability derivatives |
$ 78 |
$ 117 |