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Derivatives and Hedging Activities (Details Textuals) (USD $) Share data in Millions | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 Fair Value Hedging [Member] | Dec. 31, 2010 Fair Value Hedging [Member] | Sep. 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 | $ 127,000,000 | $ 129,000,000 | $ 377,000,000 | $ 391,000,000 |  |  |  |
Net pretax losses on derivatives reclassified from AOCI into earnings |  |  | 1,000,000 |  |  |  |  |
Shares held in equity investment | 638.1 |  | 638.1 |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount of long-term debt |  |  |  |  | $ 17,900,000,000 | $ 15,900,000,000 | $ 298,000,000,000 | $ 1,300,000,000

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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 or 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of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6887037&loc=d3e80748-113994 + 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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