Annual report pursuant to Section 13 and 15(d)

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

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Financial Instruments (Details) (Gain (Loss) from Hedging Transactions) - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Contracts designated as cash flow hedging instruments      
Other comprehensive income (loss) $ (14) $ 10 $ 3
Foreign Currency Forward Contracts | Contracts Designated as Cash Flow Hedging Instruments      
Contracts designated as cash flow hedging instruments      
Other comprehensive income (loss) (14) 9  
Gain (losses) reclassified from OCI into income (5) 8  
Foreign Currency Forward Contracts | Research and Development Expense | Contracts Designated as Cash Flow Hedging Instruments      
Contracts designated as cash flow hedging instruments      
Gain (losses) reclassified from OCI into income (4) 7  
Foreign Currency Forward Contracts | Selling, General and Administrative Expenses | Contracts Designated as Cash Flow Hedging Instruments      
Contracts designated as cash flow hedging instruments      
Gain (losses) reclassified from OCI into income (1) 1  
Foreign Currency Forward Contracts | Other Income (Expense) | Contracts not Designated as Hedging Instruments      
Contracts not designated as hedging instruments      
Gains (losses) recognized in income $ (3) $ (3)