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Preferred And Common Stock (Schedule Of Unrecognized Compensation Expense) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011
Preferred And Common Stock [Abstract] |
2012 | $ 41
2013 | 22
2014 | 2
Total | $ 65

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- Definition Share Based Compensation, Unrecognized Compensation Expense Expected To Be Recognized In Year Two + References No definition available. + Details
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- Definition Share Based Compensation, Unrecognized Compensation Expense Expected To Be Recognized Total + References No definition available. + Details
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- Details
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