Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets Intangible Assets (Intangible Assets Subject to Amortization) (Details)

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Intangible Assets Intangible Assets (Intangible Assets Subject to Amortization) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2014 $ 122
2015 151
2016 117
2017 105
2018 $ 101