Annual report pursuant to Section 13 and 15(d)

Stock-Based Incentive Compensation Plans (Details) (Share-based Compensation, Allocation of Recognized Period Costs)

v2.4.1.9
Stock-Based Incentive Compensation Plans (Details) (Share-based Compensation, Allocation of Recognized Period Costs) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Dec. 29, 2012
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated share-based compensation expense $ 81us-gaap_AllocatedShareBasedCompensationExpense $ 91us-gaap_AllocatedShareBasedCompensationExpense $ 97us-gaap_AllocatedShareBasedCompensationExpense
Cost of Sales      
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated share-based compensation expense 3us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember
5us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember
8us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember
Research and Development Expense      
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated share-based compensation expense 44us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
48us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
52us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
Selling, General and Administrative Expenses      
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated share-based compensation expense $ 34us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
$ 38us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
$ 37us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember