Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Plans (Details)

v2.4.1.9
Pension and Other Postretirement Benefit Plans (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Apr. 03, 2015
Mar. 28, 2014
Net periodic pension and other Postretirement benefit cost    
Contributions to pension plan $ 78us-gaap_DefinedBenefitPlanContributionsByEmployer $ 157us-gaap_DefinedBenefitPlanContributionsByEmployer
Pension plans, anticipated additional contributions for remainder of current fiscal year 17us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear  
Pension Benefits    
Net periodic pension and other Postretirement benefit cost    
Service cost 67us-gaap_DefinedBenefitPlanServiceCost
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67us-gaap_DefinedBenefitPlanServiceCost
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= us-gaap_PensionPlansDefinedBenefitMember
Interest cost 95us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
101us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
Expected return on plan assets (177)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
(178)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
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Amortization of prior service cost (credit) 0us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
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= us-gaap_PensionPlansDefinedBenefitMember
(1)us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
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Amortization of net actuarial loss 49us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
18us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
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= us-gaap_PensionPlansDefinedBenefitMember
Total cost (credit) recognized in statements of income 34us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
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= us-gaap_PensionPlansDefinedBenefitMember
7us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
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= us-gaap_PensionPlansDefinedBenefitMember
Other Benefits    
Net periodic pension and other Postretirement benefit cost    
Service cost 7us-gaap_DefinedBenefitPlanServiceCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
6us-gaap_DefinedBenefitPlanServiceCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Interest cost 9us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
11us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Expected return on plan assets (3)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
(3)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Amortization of prior service cost (credit) (5)us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
(4)us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Amortization of net actuarial loss 3us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
1us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Total cost (credit) recognized in statements of income $ 11us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
$ 11us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember