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Fair Value Disclosures - Nonrecurring Fair Value (Details) (Fair Value, Measurements, Nonrecurring, USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | |||||||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
Level 2
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Dec. 31, 2011
Level 2
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Jun. 30, 2012
Level 3
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Dec. 31, 2011
Level 3
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Dec. 31, 2011
Estimate of Fair Value, Fair Value Disclosure
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||
| Investment securities non-qualifying | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 5 | $ 5 | ||
| Gains (Losses) on investment securities non-qualifying | 0 | (1) | 0 | (5) | |||||
| Loans, notes and mortgages | 346 | 346 | 60 | 298 | 286 | 245 | 543 | ||
| Gains (Losses) on loans, notes and mortgages | (53) | 9 | (40) | 44 | |||||
| Other assets | 2 | 2 | 1 | 0 | 1 | 19 | 19 | ||
| Gains (Losses) on other assets | 0 | (7) | 0 | (7) | |||||
| Other payables - interest and other | 1 | 1 | 0 | 1 | |||||
| Gains (Losses) on other payables - interest and other | $ 4 | $ 0 | $ 3 | $ (1) | |||||
| X | ||||||||||
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- Definition
This represents the amount of gain (loss) recognized on Investment Securities Non-qualifying, still held as of the reporting date, measured at fair value on a nonrecurring basis. No definition available.
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| X | ||||||||||
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- Definition
This represents the amount of gain (loss) recognized on other assets, still held as of the reporting date, measured at fair value on a nonrecurring basis. Other Assets are those not individually reported in the financial statements or separately disclosed. No definition available.
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| X | ||||||||||
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- Definition
This represents the amount of gain (loss) recognized on other payables - interest and other, still held as of the reporting date, measured at fair value on a nonrecurring basis. Other payables are those not individually reported in the financial statements or separately disclosed. No definition available.
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| X | ||||||||||
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- Definition
This represents the amount of gain (loss) recognized on Loans and Leases, still held as of the reporting date, measured at fair value on a nonrecurring basis. No definition available.
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| X | ||||||||||
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- Definition
Loans, Notes and Mortgages at Fair Value No definition available.
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| X | ||||||||||
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- Definition
This element represents the total fair market value of investments in certain entities that calculate net asset value per share (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements, but may also be used in both the balance sheet and disclosure in the same submission. This item represents alternative investments as of the balance sheet date which may include investments in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds, and any other investment in which investee management calculates net asset value per share as the primary metric for investment value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This element represents a certain statement of financial position liability caption which represents a class of liabilities, or which may include an individual liability, measured at fair value on a recurring basis. 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 element represents the fair value of assets categorized as other which are not in and of themselves material enough to require separate disclosure. No definition available.
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