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Goodwill and Other Intangible Assets (Amortization Expense For The Next Five Fiscal Years) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
2015 $ 470us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths
2016 421us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2017 262us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2018 10us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2019 $ 7us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive