Annual report pursuant to Section 13 and 15(d)

Financial Instruments (Details) (Gain (Loss) from Hedging Transactions)

v3.6.0.2
Financial Instruments (Details) (Gain (Loss) from Hedging Transactions) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net [Abstract]      
Total change in unrealized gains (losses) on cash flow hedges, net of tax $ 3 $ (1) $ (3)
Foreign Currency Forward Contracts | Contracts Designated as Cash Flow Hedging Instruments      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net [Abstract]      
Total change in unrealized gains (losses) on cash flow hedges, net of tax 4 (1)  
Foreign Currency Forward Contracts | Cost of Sales | Contracts Designated as Cash Flow Hedging Instruments      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net 0 (4)  
Foreign Currency Forward Contracts | Research and Development Expense | Contracts Designated as Cash Flow Hedging Instruments      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net (1) (10)  
Foreign Currency Forward Contracts | Selling, General and Administrative Expenses | Contracts Designated as Cash Flow Hedging Instruments      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net 0 (7)  
Foreign Currency Forward Contracts | Other Income (Expense) | Contracts not Designated as Hedging Instruments      
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 3 $ (3)