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Income Taxes (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Taxes (Textuals)
Unrecognized tax benefits as a result of potential resolutions of prior years' tax	$ 697		$ 697
Unrecognized tax benefits, amounts recorded to equity	538		538
Unrecognized tax benefits impact not possible to quantify	$ 159		$ 159
Actual tax rates	33.90%	29.60%	34.50%	31.20%
Internal Revenue Service (IRS) [Member] | Earliest Year [Member]
Income Tax Contingency [Line Items]
Open tax years by major tax jurisdiction			2008
Internal Revenue Service (IRS) [Member] | Latest Year [Member]
Income Tax Contingency [Line Items]
Open tax years by major tax jurisdiction			2011

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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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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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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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