| Intangible Assets (Amortization Expense For The Next Five Fiscal Years) (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended | 
|---|---|
| Jun. 30, 2012 | |
| Goodwill and Intangible Assets Disclosure [Abstract] | |
| Remainder of 2012 | $ 233 | 
| 2013 amortization expense | 436 | 
| 2014 amortization expense | 408 | 
| 2015 amortization expense | 366 | 
| 2016 amortization expense | $ 333 | 
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- Definition The amount of amortization expense expected to be recognized during the remainder of the current fiscal year. No definition available. 
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- Definition The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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