Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Financial Instruments (Gain (Loss) from Hedging Transactions) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Jun. 30, 2018
Jul. 01, 2017
Foreign Currency Forward Contracts - gains (losses)        
Other comprehensive income (loss) [1] $ (13) $ 4 $ (16) $ 5
Foreign Currency Forward Contracts | Contracts designated as hedging instruments | Cash Flow Hedging        
Foreign Currency Forward Contracts - gains (losses)        
Other comprehensive income (loss) (13) 5 (16) 7
Foreign Currency Forward Contracts | Contracts designated as hedging instruments | Cash Flow Hedging | Research and development        
Foreign Currency Forward Contracts - gains (losses)        
(Gain) loss reclassified from accumulated OCI into income 1 0 4 1
Foreign Currency Forward Contracts | Contracts designated as hedging instruments | Cash Flow Hedging | Marketing, general and administrative        
Foreign Currency Forward Contracts - gains (losses)        
(Gain) loss reclassified from accumulated OCI into income 0 0 1 0
Foreign Currency Forward Contracts | Contracts not designated as hedging instruments | Other income (expense), net        
Foreign Currency Forward Contracts - gains (losses)        
Other income (expense), net $ 0 $ (1) $ (2) $ (1)
[1] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.