Derivatives - Derivative Balances (Details) - USD ($)
$ in Millions |
Sep. 30, 2017 |
Dec. 31, 2016 |
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
$ 370,700
|
$ 631,100
|
| Less: Legally enforceable master netting agreements |
(296,700)
|
(545,300)
|
| Less: Cash collateral received/paid |
(35,600)
|
(43,300)
|
| Derivative assets |
38,384
|
42,512
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
362,400
|
628,300
|
| Less: Legally enforceable master netting agreements |
(296,700)
|
(545,300)
|
| Less: Cash collateral received/paid |
(33,900)
|
(43,500)
|
| Derivative liabilities |
31,781
|
39,480
|
| Interest Rate Swap |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
18,602,500
|
16,977,700
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
184,600
|
390,900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
178,000
|
388,900
|
| Interest Rate Futures and Forwards |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
5,957,200
|
5,609,500
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
900
|
2,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
800
|
2,100
|
| Interest Rate Options | Written options |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
1,467,400
|
1,146,200
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
36,300
|
52,200
|
| Interest Rate Options | Purchased options |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
1,390,700
|
1,178,700
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
38,500
|
53,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Foreign Exchange Swaps |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
2,011,900
|
1,828,600
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
39,100
|
58,800
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
40,100
|
65,000
|
| Foreign Exchange Spot Future and Forwards |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
4,313,600
|
3,410,700
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
47,500
|
60,500
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
47,700
|
57,400
|
| Foreign Exchange Options | Written options |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
367,300
|
356,600
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
5,700
|
9,400
|
| Foreign Exchange Options | Purchased options |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
335,700
|
342,400
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
5,200
|
8,900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Equity Swaps |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
236,200
|
189,700
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
4,600
|
3,400
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,600
|
4,000
|
| Equity Futures and Forwards |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
100,900
|
68,700
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,900
|
900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,200
|
900
|
| Equity Options | Written options |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
524,900
|
431,500
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
25,100
|
21,400
|
| Equity Options | Purchased options |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
467,000
|
385,500
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
25,200
|
23,900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Commodity Swaps |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
47,600
|
48,200
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,700
|
2,500
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,200
|
5,100
|
| Commodity Futures and Forwards |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
51,500
|
49,100
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
3,500
|
3,600
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
600
|
500
|
| Commodity Options | Written options |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
25,000
|
29,300
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,200
|
1,900
|
| Commodity Options | Purchased options |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
26,100
|
28,900
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,400
|
2,000
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Credit Default Swap | Purchased credit derivatives |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
522,800
|
604,000
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
4,800
|
8,100
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
11,200
|
10,300
|
| Credit Default Swap | Written credit derivatives |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
514,478
|
614,355
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
10,900
|
10,700
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,214
|
7,463
|
| Total return swaps/other | Purchased credit derivatives |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
57,600
|
21,200
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
100
|
400
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,300
|
1,500
|
| Total return swaps/other | Written credit derivatives |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
55,314
|
25,354
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
800
|
1,000
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
192
|
156
|
| Credit derivatives | Purchased credit derivatives |
|
|
| Derivative Liabilities [Abstract] |
|
|
| Fair value, with identical underlying referenced names and terms |
6,200
|
2,200
|
| Notional amount, with identical underlying referenced names and terms |
494,100
|
548,900
|
| Credit derivatives | Written credit derivatives |
|
|
| Maximum Payout/Notional |
|
|
| Contract/Notional |
569,792
|
639,709
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,406
|
7,619
|
| Trading and Other Risk Management Derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
362,200
|
619,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
357,200
|
619,300
|
| Trading and Other Risk Management Derivatives | Interest Rate Swap |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
179,500
|
385,000
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
176,700
|
386,900
|
| Trading and Other Risk Management Derivatives | Interest Rate Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
900
|
2,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
800
|
2,100
|
| 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 |
36,300
|
52,200
|
| Trading and Other Risk Management Derivatives | Interest Rate Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
38,500
|
53,300
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Trading and Other Risk Management Derivatives | Foreign Exchange Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
36,600
|
54,600
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
37,000
|
58,800
|
| Trading and Other Risk Management Derivatives | Foreign Exchange Spot Future and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
46,600
|
58,800
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
46,900
|
56,600
|
| 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 |
5,700
|
9,400
|
| Trading and Other Risk Management Derivatives | Foreign Exchange Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
5,200
|
8,900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Trading and Other Risk Management Derivatives | Equity Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
4,600
|
3,400
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,600
|
4,000
|
| Trading and Other Risk Management Derivatives | Equity Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,900
|
900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,200
|
900
|
| Trading and Other Risk Management Derivatives | Equity Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
25,100
|
21,400
|
| Trading and Other Risk Management Derivatives | Equity Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
25,200
|
23,900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
0
|
0
|
| Trading and Other Risk Management Derivatives | Commodity Swaps |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,700
|
2,500
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,200
|
5,100
|
| Trading and Other Risk Management Derivatives | Commodity Futures and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
3,500
|
3,600
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
600
|
500
|
| Trading and Other Risk Management Derivatives | Commodity Options | Written options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
0
|
0
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,200
|
1,900
|
| Trading and Other Risk Management Derivatives | Commodity Options | Purchased options |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
1,400
|
2,000
|
| 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 |
4,800
|
8,100
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
11,200
|
10,300
|
| Trading and Other Risk Management Derivatives | Credit Default Swap | Written credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
10,900
|
10,700
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
4,200
|
7,500
|
| Trading and Other Risk Management Derivatives | Total return swaps/other | Purchased credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
100
|
400
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,300
|
1,500
|
| Trading and Other Risk Management Derivatives | Total return swaps/other | Written credit derivatives |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
800
|
1,000
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
200
|
200
|
| Qualifying Accounting Hedges |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
8,500
|
11,800
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
5,200
|
9,000
|
| Qualifying Accounting Hedges | Interest Rate Swap |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
5,100
|
5,900
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
1,300
|
2,000
|
| 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 |
2,500
|
4,200
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
3,100
|
6,200
|
| Qualifying Accounting Hedges | Foreign Exchange Spot Future and Forwards |
|
|
| Derivative Assets [Abstract] |
|
|
| Gross derivative assets |
900
|
1,700
|
| Derivative Liabilities [Abstract] |
|
|
| Gross derivative liabilities |
800
|
800
|
| 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
|