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Fair Value of Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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|---|---|---|---|---|---|---|---|---|
| Financial liabilities | ||||||||
| Long-term borrowings | $ 30,875 | $ 30,325 | ||||||
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Carrying Value
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| Financial assets | ||||||||
| Loans, notes and mortgages | 19,545 | [1] | 20,574 | [1] | ||||
| Financial liabilities | ||||||||
| Deposits | 12,873 | 12,364 | ||||||
| Long-term borrowings | 96,058 | [2] | 110,718 | [2] | ||||
| Fair value of commercial unfunded lending commitments | 60 | 208 | ||||||
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Fair Value
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| Financial assets | ||||||||
| Loans, notes and mortgages | 19,617 | [1] | 20,048 | [1] | ||||
| Financial liabilities | ||||||||
| Deposits | 12,873 | 12,364 | ||||||
| Long-term borrowings | 100,844 | [2] | 102,339 | [2] | ||||
| Fair value of commercial unfunded lending commitments | 104 | 264 | ||||||
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Level 2 | Fair Value
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| Financial assets | ||||||||
| Loans, notes and mortgages | 896 | [1] | ||||||
| Financial liabilities | ||||||||
| Deposits | 12,873 | |||||||
| Long-term borrowings | 99,528 | [2] | ||||||
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Level 3 | Fair Value
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| Financial assets | ||||||||
| Loans, notes and mortgages | 18,721 | [1] | ||||||
| Financial liabilities | ||||||||
| Deposits | ||||||||
| Long-term borrowings | $ 1,316 | [2] | ||||||
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| X | ||||||||||
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- Definition
This item represents commerical unfunded lending commitments outstanding as of the balance sheet date. No definition available.
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| X | ||||||||||
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- Definition
This reflects loans receivable, net of allowance, for fair value disclosure reporting. No definition available.
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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. This item represents the aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits among others. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The fair value amount of long-term debt 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. No definition available.
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