Derivatives - Derivative Balances (Details) - USD ($)
$ in Millions |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
$ 631,100
|
$ 688,600
|
| Less: Legally enforceable master netting agreements |
(545,300)
|
(596,700)
|
| Less: Cash collateral received/paid |
(43,300)
|
(41,900)
|
| Derivative assets |
42,512
|
49,990
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
628,300
|
681,100
|
| Less: Legally enforceable master netting agreements |
(545,300)
|
(596,700)
|
| Less: Cash collateral received/paid |
(43,500)
|
(45,900)
|
| Derivative liabilities |
39,480
|
38,450
|
| Interest Rate Swap |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
16,977,700
|
21,706,800
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
390,900
|
447,000
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
388,900
|
442,000
|
| Interest Rate Futures and Forwards |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
5,609,500
|
6,237,600
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
2,200
|
1,100
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
2,100
|
1,300
|
| Interest Rate Options | Written options |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
1,146,200
|
1,313,800
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
52,200
|
57,600
|
| Interest Rate Options | Purchased options |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
1,178,700
|
1,393,300
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
53,300
|
58,900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Foreign Exchange Swaps |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
1,828,600
|
2,149,900
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
58,800
|
50,100
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
65,000
|
55,000
|
| Foreign Exchange Spot Future and Forwards |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
3,410,700
|
4,104,300
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
60,500
|
47,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
57,400
|
46,100
|
| Foreign Exchange Options | Written options |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
356,600
|
467,200
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
9,400
|
10,600
|
| Foreign Exchange Options | Purchased options |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
342,400
|
439,900
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
8,900
|
10,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Equity Swaps |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
189,700
|
201,200
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
3,400
|
3,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,000
|
3,800
|
| Equity Futures and Forwards |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
68,700
|
72,800
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
900
|
2,100
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
900
|
1,200
|
| Equity Options | Written options |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
431,500
|
347,600
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
21,400
|
21,100
|
| Equity Options | Purchased options |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
385,500
|
320,300
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
23,900
|
23,800
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Commodity Swaps |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
48,200
|
47,000
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
2,500
|
4,700
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
5,100
|
7,100
|
| Commodity Futures and Forwards |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
49,100
|
45,600
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
3,600
|
3,800
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
500
|
700
|
| Commodity Options | Written options |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
29,300
|
36,600
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,900
|
4,400
|
| Commodity Options | Purchased options |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
28,900
|
37,400
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
2,000
|
4,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Credit Default Swap | Purchased credit derivatives |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
604,000
|
928,300
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
8,100
|
14,400
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
10,300
|
14,800
|
| Credit Default Swap | Written credit derivatives |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
614,355
|
924,143
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
10,700
|
15,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
7,463
|
13,124
|
| Total return swaps/other | Purchased credit derivatives |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
21,200
|
26,400
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
400
|
200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,500
|
1,900
|
| Total return swaps/other | Written credit derivatives |
|
|
| Notional Amount of Derivatives, [Abstract] |
|
|
| Contract/Notional |
25,354
|
39,658
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,000
|
2,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
156
|
422
|
| Trading and Other Risk Management Derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
619,300
|
679,100
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
619,300
|
676,800
|
| Trading and Other Risk Management Derivatives | Interest Rate Swap |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
385,000
|
439,600
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
386,900
|
440,800
|
| Trading and Other Risk Management Derivatives | Interest Rate Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
2,200
|
1,100
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
2,100
|
1,300
|
| Trading and Other Risk Management Derivatives | Interest Rate Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
52,200
|
57,600
|
| Trading and Other Risk Management Derivatives | Interest Rate Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
53,300
|
58,900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Trading and Other Risk Management Derivatives | Foreign Exchange Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
54,600
|
49,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
58,800
|
52,200
|
| Trading and Other Risk Management Derivatives | Foreign Exchange Spot Future and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
58,800
|
46,000
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
56,600
|
45,800
|
| Trading and Other Risk Management Derivatives | Foreign Exchange Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
9,400
|
10,600
|
| Trading and Other Risk Management Derivatives | Foreign Exchange Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
8,900
|
10,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Trading and Other Risk Management Derivatives | Equity Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
3,400
|
3,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,000
|
3,800
|
| Trading and Other Risk Management Derivatives | Equity Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
900
|
2,100
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
900
|
1,200
|
| Trading and Other Risk Management Derivatives | Equity Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
21,400
|
21,100
|
| Trading and Other Risk Management Derivatives | Equity Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
23,900
|
23,800
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Trading and Other Risk Management Derivatives | Commodity Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
2,500
|
4,700
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
5,100
|
7,100
|
| Trading and Other Risk Management Derivatives | Commodity Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
3,600
|
3,800
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
500
|
700
|
| Trading and Other Risk Management Derivatives | Commodity Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,900
|
4,400
|
| Trading and Other Risk Management Derivatives | Commodity Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
2,000
|
4,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Trading and Other Risk Management Derivatives | Credit Default Swap | Purchased credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
8,100
|
14,400
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
10,300
|
14,800
|
| Trading and Other Risk Management Derivatives | Credit Default Swap | Written credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
10,700
|
15,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
7,500
|
13,100
|
| Trading and Other Risk Management Derivatives | Total return swaps/other | Purchased credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
400
|
200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,500
|
1,900
|
| Trading and Other Risk Management Derivatives | Total return swaps/other | Written credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,000
|
2,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
200
|
400
|
| Qualifying Accounting Hedges |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
11,800
|
9,500
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
9,000
|
4,300
|
| Qualifying Accounting Hedges | Interest Rate Swap |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
5,900
|
7,400
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
2,000
|
1,200
|
| Qualifying Accounting Hedges | Interest Rate Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Interest Rate Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Interest Rate Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Foreign Exchange Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
4,200
|
900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
6,200
|
2,800
|
| Qualifying Accounting Hedges | Foreign Exchange Spot Future and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,700
|
1,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
800
|
300
|
| Qualifying Accounting Hedges | Foreign Exchange Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Foreign Exchange Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Equity Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Equity Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Equity Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Equity Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Commodity Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Commodity Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Commodity Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Commodity Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Credit Default Swap | Purchased credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Credit Default Swap | Written credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Total return swaps/other | Purchased credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Qualifying Accounting Hedges | Total return swaps/other | Written credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
$ 0
|
$ 0
|