Income Taxes (Details Textuals) (USD $) In Millions	6 Months Ended
Jun. 30, 2011
Income Taxes (Textuals)
Unrecognized tax benefits as a result of potential resolutions of prior years' tax	$ 679
Unrecognized tax benefits, amounts recorded to equity	452
Unrecognized tax benefits impact not possible to quantify	227
Open tax years by major tax jurisdiction	2005 through 2007
Tax Benefits	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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
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-Paragraph 21
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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