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Fair Value Measurements Fair Value Measurements Nonrecurring Fair Value Inputs (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |||||||||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2012
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Inputs, Level 3 [Member]
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Dec. 31, 2011
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Inputs, Level 3 [Member]
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Dec. 31, 2012
Fair Value, Measurements, Nonrecurring [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow [Member]
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Dec. 31, 2012
Fair Value, Measurements, Nonrecurring [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow Market Comparables [Member]
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Dec. 31, 2012
Maximum [Member]
Fair Value, Measurements, Nonrecurring [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow [Member]
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Dec. 31, 2012
Maximum [Member]
Fair Value, Measurements, Nonrecurring [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow Market Comparables [Member]
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Dec. 31, 2012
Minimum [Member]
Fair Value, Measurements, Nonrecurring [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow [Member]
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Dec. 31, 2012
Minimum [Member]
Fair Value, Measurements, Nonrecurring [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow Market Comparables [Member]
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| Fair Value Inputs, Assets And Liabilities, Quantitative Information [Line Items] | ||||||||||
| Loans and Securities Fair Value Disclosure | $ 388 | $ 9,932 | ||||||||
| Loans held-for-sale | 11,659 | 7,630 | 1,136 | 1,008 | 388 | 748 | ||||
| Loans And Leases Fair Value Disclosure | $ 9,184 | $ 10,629 | $ 9,184 | |||||||
| Fair Value Inputs Yield | 13.00% | 5.00% | 4.00% | 3.00% | ||||||
| Fair Value Inputs, Prepayment Rate | 30.00% | 3.00% | ||||||||
| Fair Value Inputs, Probability of Default | 55.00% | 0.00% | ||||||||
| Fair Value Inputs, Loss Severity | 88.00% | 66.00% | 24.00% | 6.00% | ||||||
| Fair Value Inputs, Discount Rate | 28.00% | 0.00% | ||||||||
| Fair Value Inputs, Cost to Sell | 8.00% | |||||||||
| Fair Value Inputs Yield, Weighted Average | 6.00% | 3.00% | ||||||||
| Fair Value Inputs, Prepayment Rate, Weighted Average | 15.00% | |||||||||
| Fair Value Inputs, Probability of Default, Weighted Average | 7.00% | |||||||||
| Fair Value Inputs, Loss Severity, Weighted Average | 53.00% | 48.00% | ||||||||
| Fair Value Inputs, Discount Rate, Weighted Average | 15.00% | |||||||||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Selling costs as a percentage of fair value of the asset sold, used as an input to measure fair value. No definition available.
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| X | ||||||||||
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- Definition
Weighted average interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. No definition available.
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| X | ||||||||||
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- Definition
Weighted average loss, including interest and principal, incurred on a defaulted security, expressed as a percentage of the original principal balance, used as an input to measure fair value. No definition available.
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| X | ||||||||||
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- Definition
Weighted average rate at which loans or a loan portfolio are expected to prepay principal balances, used as an input to measure fair value. No definition available.
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| X | ||||||||||
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- Definition
Weighted average percentage of likelihood a loan will not be repaid and instead default, used as an input to measure fair value. No definition available.
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| X | ||||||||||
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- Definition
Yield on loans or leases or portolios of loans and leases used as an input to measure fair value. No definition available.
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| X | ||||||||||
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- Definition
Weighted average of yield on loans or leases or portolios of loans and leases used as an input to measure fair value. No definition available.
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| X | ||||||||||
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- Definition
This represents the balance of Loans and Leases measured at fair value on a nonrecurring basis categorized as Level 2 and 3 based on observability of inputs. No definition available.
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| X | ||||||||||
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- Definition
This element represents the fair value of loans and securities. No definition available.
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| X | ||||||||||
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- Definition
Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Loss, including interest and principal, incurred on a defaulted security, expressed as a percentage of the original principal balance, used as an input to measure fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Rate at which loans or a loan portfolio are expected to prepay principal balances, used as an input to measure fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of likelihood a loan will not be repaid and instead default, used as an input to measure fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loans held-for-sale as presented on the statement of financial position which may include mortgage loans held-for-sale, finance receivables held-for-sale, or any other loans classified as held-for-sale which are due the Company as of the balance sheet date. No definition available.
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