Quarterly report pursuant to Section 13 or 15(d)

Investments, Equity Investments (Details)

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Investments, Equity Investments (Details)
$ in Millions, ¥ in Billions
3 Months Ended 9 Months Ended
Sep. 29, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 29, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 29, 2018
CNY (¥)
Sep. 29, 2018
USD ($)
Dec. 30, 2017
USD ($)
Schedule of Investments [Line Items]              
Marketable Securities           $ 3,039 $ 4,192
Cost Method Investments           2,878 2,613
Equity Method Investments           1,634 1,774
Equity Investments           7,551 8,579
Gain (loss) on initial market adjustment $ 0   $ 46        
Mark to market on marketable equity securities1 8   379        
Observable price adjustments on non-marketable 43   191        
Impairments (328) $ (10) (372) $ (613)      
Share of equity method investee gains (losses) 0 (110) (152) (129)      
Other Net Equity Investments 144 22 166 94      
Gain (Loss) on Investments (75) 846 365 1,440      
Net gains (losses) recognized during the period on equity securities (75)   518        
Less: Net (gains) losses recognized during the period on equity securities sold during the period (225)   (463)        
Unrealized gains (losses) recognized during the reporting period on equity securities still held at the reporting date (300)   55        
Cloudera, Inc [Member]              
Schedule of Investments [Line Items]              
Impairments     (278)        
Beijing UniSpreadtrum Technology Ltd. [Member] | Subject To Regulatory Approvals And Other Closing Conditions [Member]              
Schedule of Investments [Line Items]              
Cost Method Investments         ¥ 9.0 $ 1,500  
Cost Method Investment, Ownership Percentage         20.00% 20.00%  
Beijing UniSpreadtrum Technology Ltd Phase One [Member]              
Schedule of Investments [Line Items]              
Cost Method Investments           $ 966  
Impairments     (308)        
IM Flash Technologies, LLC [Member]              
Schedule of Investments [Line Items]              
Equity Method Investments           $ 1,600 $ 1,500
Related Party Transaction, Purchases from Related Party 97 115 324 350      
Equity Securities [Member]              
Schedule of Investments [Line Items]              
Gain (Loss) on Investments, Excluding Other than Temporary Impairments 57 944 68 2,020      
Investment Income, Dividend $ 1 $ 0 $ 39 $ 68