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Derivative Instruments and Fair Value Measurements (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Apr. 04, 2015
Derivative Instruments and Fair Value Measurements [Abstract]  
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months $ 15us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
Fair value of derivative instruments with credit-risk-related contingent features in a liability position 17us-gaap_CreditRiskDerivativeLiabilitiesAtFairValue
Additional collateral required to be posted if the credit risk related contingent features were triggered 17us-gaap_AdditionalCollateralAggregateFairValue
Margin Deposits Posted $ 40us-gaap_CollateralAlreadyPostedAggregateFairValue
Five largest customers percentage of consolidated trade receivables 27.00%k_EntityWideReceivablesMajorCustomerAmountInPercentage