Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Financial Instruments (Gain (Loss) from Hedging Transactions) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 24, 2016
Sep. 30, 2017
Sep. 24, 2016
Foreign Currency Forward Contracts - gains (losses)        
Other comprehensive income (loss) $ 2 $ (1) $ 7 $ 5
Contracts designated as cash flow hedging instruments | Cash Flow Hedging [Member]        
Foreign Currency Forward Contracts - gains (losses)        
Other comprehensive income (loss) 1 (1) 8 7
Contracts designated as cash flow hedging instruments | Cash Flow Hedging [Member] | Research and development        
Foreign Currency Forward Contracts - gains (losses)        
(Gain) loss reclassified from accumulated OCI into income 3 1 4 0
Contracts designated as cash flow hedging instruments | Cash Flow Hedging [Member] | Selling, General and Administrative Expenses [Member]        
Foreign Currency Forward Contracts - gains (losses)        
(Gain) loss reclassified from accumulated OCI into income 1 0 1 0
Not Designated as Hedging Instrument [Member] | Other Nonoperating Income (Expense) [Member]        
Foreign Currency Forward Contracts - gains (losses)        
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ (2) $ 0 $ (3) $ 2