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Legal Actions (Details) (USD $)
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12 Months Ended |
|---|---|
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Dec. 31, 2012
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Interchange Litigation [Member]
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| Legal Actions (Textual) [Abstract] | |
| Amounts to be paid in connection with legal or regulatory matters | $ 6,600,000,000 |
| Settlement agreement, terms | The class settlement also provides for the distribution to class merchants of 10 basis points of default interchange across all credit rate categories for a period of eight consecutive months. |
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In re Wells Fargo Mortgage-Backed Certificates Litigation [Member]
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| Legal Actions (Textual) [Abstract] | |
| Amounts to be paid in connection with legal or regulatory matters | 125,000,000 |
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Mortgage-Backed Certificates Litigation [Member]
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| Legal Actions (Textual) [Abstract] | |
| Legal actions, number | 3 |
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Gutierrez v. Wells Fargo Bank, N.A. [Member]
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| Legal Actions (Textual) [Abstract] | |
| Amounts to be paid in connection with legal or regulatory matters | 203,000,000 |
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Legal Action, Dismissed [Member] | Mortgage Foreclosure Documentation Litigation [Member]
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| Legal Actions (Textual) [Abstract] | |
| Legal actions, number | 8 |
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Liability for Contingent Litigation Losses [Member]
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| Legal Actions (Textual) [Abstract] | |
| Loss Contingency, Range of Possible Loss, Portion Not Accrued | $ 1,000,000,000 |