Income Taxes (Details Textuals) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2011
Income Taxes (Textuals)
Unrecognized tax benefits as a result of potential resolutions of prior years' tax	$ 851	$ 851
Unrecognized tax benefits, amounts recorded to equity	606	606
Unrecognized tax benefits impact not possible to quantify	245	245
Open tax years by major tax jurisdiction		2005 through 2007
Tax Benefits	77	102
Tax Benefits from Discontinued Operations		$ 36

Income Taxes.

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Unrecognized tax benefits relating to amounts recorded to equity that, if recognized, would not impact the effective rate.

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Represents the remaining decrease or increase in unrecognized tax benefits within the next 12 months for which it is not possible to quantify the impact of the increase or decrease on the effective tax rate and net income.

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Reflects the effects of adjustments of previously recorded tax expense, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, IRS tax settlement and unusual repatriation of foreign earnings.

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Identification, by major jurisdiction, of tax years that remain open to examination under enacted tax laws.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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