Annual report pursuant to Section 13 and 15(d)

Investments Investments, Equity Investments (Details)

v3.20.4
Investments Investments, Equity Investments (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Jun. 29, 2019
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Schedule of Investments [Line Items]        
Proceeds from Equity Method Investment, Distribution, Return of Capital   $ 910 $ 2,688 $ 2,802
Marketable equity securities   1,830 450  
Non-marketable equity securities   3,304 3,480  
Equity method investments   18 37  
Total   5,152 3,967  
Ongoing mark-to-market adjustments on marketable equity securities   (133) 277 (129)
Observable price adjustments on non-marketable equity securities   (176) (293) (202)
Impairment charges   (303) (122) (424)
Sale of equity investments and other   2,164 1,091 226
Gain (Loss) on Investments   1,904 1,539 (125)
Net gains (losses) recognized during the period on equity securities   1,679 734 298
Less: Net (gains) losses recognized during the period on equity securities sold during the period   (254) (424) (445)
Net unrealized gains (losses) recognized during the period on equity securities still held at the reporting date   $ 1,425 $ 310 (147)
Cloudera, Inc. [Member]        
Schedule of Investments [Line Items]        
Investment owned (in shares)     307  
IM Flash Technologies, LLC [Member]        
Schedule of Investments [Line Items]        
Equity Method Investment, Ownership Percentage   49.00%    
Impairment on equity method investments $ 290      
McAfee [Member]        
Schedule of Investments [Line Items]        
Equity Method Investment, Ownership Percentage   40.00%    
Proceeds from Equity Method Investment, Distribution, Return of Capital   $ 126 $ 632  
ASML Holding N.V. [Member]        
Schedule of Investments [Line Items]        
Marketable equity securities   1,100    
Cost-method Investments [Member]        
Schedule of Investments [Line Items]        
Impairment charges   $ (290) $ (122) $ (132)