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Fair Value Measurements - Nonrecurring Fair Value (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2014
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Dec. 31, 2013
|
Sep. 30, 2014
Nonrecurring
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Sep. 30, 2013
Nonrecurring
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Sep. 30, 2014
Nonrecurring
|
Sep. 30, 2013
Nonrecurring
|
Sep. 30, 2014
Nonrecurring
Level 2
|
Sep. 30, 2013
Nonrecurring
Level 2
|
Sep. 30, 2014
Nonrecurring
Level 3
|
Sep. 30, 2013
Nonrecurring
Level 3
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| Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis | ||||||||||||||||||||
| Loans held-for-sale, measured at fair value | $ 5,455 | $ 6,656 | $ 197 | $ 4,266 | $ 32 | $ 274 | ||||||||||||||
| Loans and leases, measured at fair value | 8,183 | 10,042 | 9 | 23 | 4,298 | 5,114 | ||||||||||||||
| Foreclosed properties, measured at fair value | [1] | 17 | [1] | 1,145 | [1] | 1,293 | [1] | |||||||||||||
| Other assets, measured at fair value | 12,726 | 18,055 | 24 | 78 | 10 | |||||||||||||||
| Gains (Losses) on loans held-for-sale | (17) | 1 | (6) | (66) | ||||||||||||||||
| Gains (Losses) on loans and leases | (286) | (281) | (671) | (985) | ||||||||||||||||
| Gains (Losses) on Foreclosed Properties | (21) | [1] | (31) | [1] | (34) | [1] | (37) | [1] | ||||||||||||
| Gains (Losses) on other assets | $ (1) | $ (7) | $ (2) | $ (15) | ||||||||||||||||
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