Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Amortization Expense For The Next Five Fiscal Years) (Details)

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Intangible Assets (Amortization Expense For The Next Five Fiscal Years) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2012 $ 573
2013 amortization expense 692
2014 amortization expense 597
2015 amortization expense 476
2016 amortization expense $ 344