|
Fair Value, Option, Gains and Losses (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
|
Mortgage banking noninterest income [Member] | Mortgages held for sale [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | $ 61 | $ 2,526 | $ 1,034 | $ 4,321 |
|
Mortgage banking noninterest income [Member] | Loans held for sale [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Mortgage banking noninterest income [Member] | Loans Receivable [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Mortgage banking noninterest income [Member] | Long-term debt [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Mortgage banking noninterest income [Member] | Other Assets [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Mortgage banking noninterest income [Member] | Other interests held [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Other noninterest income [Member] | Mortgages held for sale [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 1 |
|
Other noninterest income [Member] | Loans held for sale [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 6 | 0 | 19 |
|
Other noninterest income [Member] | Loans Receivable [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | (107) | (15) | (154) | 27 |
|
Other noninterest income [Member] | Long-term debt [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | (4) | 0 | (4) |
|
Other noninterest income [Member] | Other Assets [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 25 | 0 | 39 | 0 |
|
Other noninterest income [Member] | Other interests held [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | (8) | 6 | 15 |
|
Net gains (losses) from trading activities [Member] | Mortgages held for sale [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Net gains (losses) from trading activities [Member] | Loans held for sale [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Net gains (losses) from trading activities [Member] | Loans Receivable [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Net gains (losses) from trading activities [Member] | Long-term debt [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Net gains (losses) from trading activities [Member] | Other Assets [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | 0 | 0 | 0 | 0 |
|
Net gains (losses) from trading activities [Member] | Other interests held [Member]
|
||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Gains (Losses) on changes in fair value | $ (6) | $ (15) | $ (13) | $ (24) |