|
Fair Value, Changes in Fair Value of Assets Recorded at Fair Value on Nonrecurring Basis (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2012
|
Mar. 31, 2011
|
|
| Fair Value Assets Measured On Nonrecurring Basis Increase Decrease [Line Items] | ||
| Mortgages held for sale | $ 48 | $ (26) |
| Loans held for sale | (1) | 2 |
| Loans | (1,504) | (1,992) |
| Mortgage servicing rights (amortized) | 0 | (6) |
| Other Assets | (140) | (116) |
| Total | (1,597) | (2,138) |
|
Total Commercial [Member]
|
||
| Fair Value Assets Measured On Nonrecurring Basis Increase Decrease [Line Items] | ||
| Loans | (301) | (240) |
|
Total Consumer [Member]
|
||
| Fair Value Assets Measured On Nonrecurring Basis Increase Decrease [Line Items] | ||
| Loans | $ (1,203) | $ (1,752) |