v3.8.0.1
Balance Sheet Account Details - Narrative - Strategic Investments (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Schedule of Investments [Line Items]      
Cost-method investment gain     $ 18
Other commitment $ 100    
Callable period 10 years    
Capital Commitment Drawdown Allowed $ 83    
Other Assets [Member]      
Schedule of Investments [Line Items]      
Cost-method investments in non-publicly traded companies 250 $ 57  
Equity method investments 16 10  
Cost-method investee [Member]      
Schedule of Investments [Line Items]      
Revenue from transactions with Company's cost-method investments in non-publicly traded companies $ 127 $ 56 $ 61