Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities Other-than-temporary Impairments (Details)

v2.4.1.9
Marketable Securities Other-than-temporary Impairments (Details) (USD $)
In Millions, unless otherwise specified
Dec. 28, 2014
Sep. 28, 2014
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]    
Beginning balance of credit losses $ 0us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld $ 0us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
Ending balance of credit losses $ 0us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld $ 0us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld