Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v2.4.1.9
Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 28, 2014
Sep. 28, 2014
Sep. 27, 2015
Income Tax Disclosure [Abstract]      
Effective income tax rate for continuing operations 14.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 14.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations  
Tax benefits from foreign income taxed at rates lower than rates in the United States   20.00%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential  
Tax benefit related to reinstatement of the federal research and development tax credit $ 101us-gaap_IncomeTaxReconciliationTaxCreditsResearch    
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 76us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate    
Scenario, Forecast [Member]      
Income Tax Disclosure [Abstract]      
Effective income tax rate for continuing operations     17.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
Tax benefits from foreign income taxed at rates lower than rates in the United States     16.00%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember