Annual report pursuant to Section 13 and 15(d)

Goodwill and Acquired Intangible Assets (Details) (Estimated Future Amortization Expense)

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Goodwill and Acquired Intangible Assets (Details) (Estimated Future Amortization Expense) (USD $)
In Millions, unless otherwise specified
Dec. 27, 2014
Dec. 28, 2013
Estimated Amortization of Acquired Intangible Assets [Line Items]    
2015 $ 13us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
2016 11us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2017 11us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2018 11us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2019 11us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
2020 and thereafter 2us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive  
Total intangible assets subject to amortization 59amd_FiniteLivedIntangibleAssetsSubjectToAmortization  
In-process research and development 6us-gaap_OtherFiniteLivedIntangibleAssetsGross  
Acquired intangible assets, net $ 65us-gaap_FiniteLivedIntangibleAssetsNet $ 78us-gaap_FiniteLivedIntangibleAssetsNet