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Derivatives and Hedging Activities (Details Textuals) (USD $) | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 Fair Value Hedging [Member] | Dec. 31, 2010 Fair Value Hedging [Member] | Jun. 30, 2011 Cash flow hedges [Member] | Dec. 31, 2010 Cash flow hedges [Member]
Derivatives and Hedging Activities (Textuals) [Abstract] |  |  |  |  |  |  |  |
Net reduction in interest expense on long term debt and other | $ 126,000,000 | $ 130,000,000 | $ 251,000,000 | $ 262,000,000 |  |  |  |
Net pretax losses on derivatives reclassified from AOCI into earnings |  |  | 100,000 |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount of long-term debt |  |  |  |  | $ 16,400,000,000 | $ 15,900,000,000 | $ 784,000,000,000 | $ 1,300,000,000

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- Definition Derivatives and Hedging Activities. + Details
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- Definition Represents the amount of a net reduction to interest expense on long-term debt and other, primarily related to the net settlements on the Company's fair value hedges. + Details
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- Definition The estimated net amount of existing gains (losses) on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(2) + Details
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- Definition Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + Details
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