Fair Value Measurements - Gains and Losses (Details) (USD $) In Millions, unless otherwise specified
|
3 Months Ended |
Mar. 31, 2013
|
Mar. 31, 2012
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Equity Investment Income (Loss) |
$ 2
|
|
$ 10
|
|
Trading Account Profits (Losses) |
251
|
|
(1,281)
|
|
Mortgage Banking Income (Loss) |
871
|
[1] |
1,273
|
[1] |
Other Income (Loss) |
(449)
|
|
72
|
|
Total |
675
|
|
74
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
(15)
|
|
(19)
|
|
Trading Account Profits (Losses) |
73
|
|
(1,310)
|
|
Mortgage Banking Income (Loss) |
629
|
[1] |
827
|
[1] |
Other Income (Loss) |
(467)
|
|
53
|
|
Total |
220
|
|
(449)
|
|
Trading Account Assets [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Equity Investment Income (Loss) |
0
|
|
|
|
Trading Account Profits (Losses) |
343
|
|
231
|
|
Mortgage Banking Income (Loss) |
0
|
[1] |
|
|
Other Income (Loss) |
0
|
|
|
|
Total |
343
|
|
231
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
0
|
|
0
|
|
Trading Account Profits (Losses) |
221
|
|
133
|
|
Mortgage Banking Income (Loss) |
0
|
[1] |
0
|
[1] |
Other Income (Loss) |
0
|
|
0
|
|
Total |
221
|
|
133
|
|
Corporate securities, trading loans and other [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
88
|
|
93
|
|
Total |
88
|
|
93
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
|
|
|
Trading Account Profits (Losses) |
48
|
|
56
|
|
Mortgage Banking Income (Loss) |
|
[1] |
|
[1] |
Other Income (Loss) |
|
|
|
[2] |
Total |
48
|
|
56
|
[2] |
Equity securities [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
42
|
|
15
|
|
Total |
42
|
|
15
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
|
|
|
Trading Account Profits (Losses) |
33
|
|
11
|
|
Mortgage Banking Income (Loss) |
|
[1] |
|
[1] |
Other Income (Loss) |
|
|
|
|
Total |
33
|
|
11
|
|
Non-U.S. sovereign debt [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
51
|
|
24
|
|
Total |
51
|
|
24
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
|
|
|
Trading Account Profits (Losses) |
51
|
|
13
|
|
Mortgage Banking Income (Loss) |
|
[1] |
|
[1] |
Other Income (Loss) |
|
|
|
|
Total |
51
|
|
13
|
|
Mortgage trading loans and ABS [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
162
|
|
99
|
|
Total |
162
|
|
99
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
|
|
|
Trading Account Profits (Losses) |
89
|
|
53
|
|
Mortgage Banking Income (Loss) |
|
[1] |
|
[1] |
Other Income (Loss) |
|
|
|
|
Total |
89
|
|
53
|
|
Derivative assets [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
(114)
|
|
(1,373)
|
|
Mortgage Banking Income (Loss) |
407
|
[1] |
536
|
[1] |
Total |
293
|
|
(837)
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
|
|
|
Trading Account Profits (Losses) |
(169)
|
|
(1,314)
|
|
Mortgage Banking Income (Loss) |
246
|
[1] |
300
|
[1] |
Other Income (Loss) |
|
|
|
|
Total |
77
|
|
(1,014)
|
|
Available-for-sale debt securities [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
|
|
0
|
|
Other Income (Loss) |
|
|
(38)
|
|
Total |
|
|
(38)
|
|
Non-Agency Residential MBS [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Other Income (Loss) |
|
|
(69)
|
|
Total |
|
|
(69)
|
|
Corporate/Agency bonds [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Other Income (Loss) |
|
|
(2)
|
|
Total |
|
|
(2)
|
|
Other taxable securities [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
|
|
0
|
|
Other Income (Loss) |
|
|
7
|
|
Total |
|
|
7
|
|
Tax-exempt securities [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
|
|
0
|
|
Other Income (Loss) |
1
|
|
26
|
|
Total |
1
|
|
26
|
|
Loans and leases [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Other Income (Loss) |
51
|
[2] |
164
|
[2] |
Total |
51
|
[2] |
164
|
[2] |
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
[2] |
|
[2] |
Trading Account Profits (Losses) |
|
[2] |
|
[2] |
Mortgage Banking Income (Loss) |
|
[1],[2] |
|
[1],[2] |
Other Income (Loss) |
43
|
[2] |
163
|
[2] |
Total |
43
|
[2] |
163
|
[2] |
Mortgage servicing rights [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Mortgage Banking Income (Loss) |
434
|
[1] |
655
|
[1] |
Total |
434
|
|
655
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
|
|
|
Trading Account Profits (Losses) |
|
|
|
|
Mortgage Banking Income (Loss) |
336
|
[1] |
470
|
[1] |
Other Income (Loss) |
0
|
|
|
|
Total |
336
|
|
470
|
|
Loans held-for-sale [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Mortgage Banking Income (Loss) |
4
|
[1],[2] |
90
|
[1],[2] |
Other Income (Loss) |
(43)
|
[2] |
79
|
[2] |
Total |
(39)
|
[2] |
169
|
[2] |
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
[2] |
|
[2] |
Trading Account Profits (Losses) |
|
[2] |
|
[2] |
Mortgage Banking Income (Loss) |
10
|
[1],[2] |
51
|
[1],[2] |
Other Income (Loss) |
(52)
|
[2] |
23
|
[2] |
Total |
(42)
|
[2] |
74
|
[2] |
Other assets [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Equity Investment Income (Loss) |
2
|
|
10
|
|
Mortgage Banking Income (Loss) |
(3)
|
[1] |
(8)
|
[1] |
Other Income (Loss) |
(447)
|
|
(34)
|
|
Total |
(448)
|
|
(32)
|
|
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
(15)
|
|
(19)
|
|
Trading Account Profits (Losses) |
|
|
|
|
Mortgage Banking Income (Loss) |
12
|
[1] |
6
|
[1] |
Other Income (Loss) |
(447)
|
|
(34)
|
|
Total |
(450)
|
|
(47)
|
|
Accrued expenses and other liabilities [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Equity Investment Income (Loss) |
|
[2] |
|
|
Trading Account Profits (Losses) |
|
[2] |
0
|
[2] |
Mortgage Banking Income (Loss) |
29
|
[1],[2] |
|
|
Other Income (Loss) |
0
|
[2] |
3
|
[2] |
Total |
29
|
[2] |
3
|
[2] |
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
[2] |
|
[2] |
Trading Account Profits (Losses) |
|
[2] |
0
|
[2] |
Mortgage Banking Income (Loss) |
25
|
[1],[2] |
|
[1],[2] |
Other Income (Loss) |
0
|
[2] |
3
|
[2] |
Total |
25
|
[2] |
3
|
[2] |
Long-term debt [Member]
|
|
|
|
|
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings |
|
|
|
|
Trading Account Profits (Losses) |
22
|
[2] |
(139)
|
[2] |
Other Income (Loss) |
(11)
|
[2] |
(102)
|
[2] |
Total |
11
|
[2] |
(241)
|
[2] |
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date |
|
|
|
|
Equity Investment Income (Loss) |
|
[2] |
|
[2] |
Trading Account Profits (Losses) |
21
|
[2] |
(129)
|
[2] |
Mortgage Banking Income (Loss) |
|
[1],[2] |
|
[1],[2] |
Other Income (Loss) |
(11)
|
[2] |
(102)
|
[2] |
Total |
$ 10
|
[2] |
$ (231)
|
[2] |
|
|