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Stock-Based Compensation (Schedule Of Share-Based Compensation, Stock Options, Activity) (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013
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Stock-Based Compensation [Abstract] |
Unrealized Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation | $ 58

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- Definition Unrealized tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit cannot be recognized due to the use of tax loss carryforwards. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Period Type: | duration