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Goodwill and Other Intangible Assets (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Apr. 04, 2015
Acquisitions, Goodwill and Other Intangible Assets [Abstract]  
Payments to Acquire Businesses Gross $ 125us-gaap_PaymentsToAcquireBusinessesGross
Payments to Acquire Businesses, Net of Cash Acquired 117us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]  
Finite Lived Intangible Assets Amortization Expense Next Twelve Months 9us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Amortization expense $ 2us-gaap_AmortizationOfIntangibleAssets