|
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, 2013
|
Mar. 31, 2012
|
|
| Fair Value Assets Measured On Nonrecurring Basis Increase Decrease [Line Items] | ||
| Mortgages held for sale | $ 39 | $ 48 |
| Loans held for sale | 0 | (1) |
| Loans | (998) | (1,504) |
| Other Assets | (79) | (140) |
| Total | (1,038) | (1,597) |
|
Commercial Portfolio Segment [Member]
|
||
| Fair Value Assets Measured On Nonrecurring Basis Increase Decrease [Line Items] | ||
| Loans | (91) | (301) |
|
Consumer Portfolio Segment [Member]
|
||
| Fair Value Assets Measured On Nonrecurring Basis Increase Decrease [Line Items] | ||
| Loans | $ (907) | $ (1,203) |