Annual report pursuant to Section 13 and 15(d)

Investments, Non-Marketable Cost Method Investments (Detail)

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Investments, Non-Marketable Cost Method Investments (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Dec. 26, 2015
Gain (Loss) on Securities [Line Items]        
Non-marketable equity securities $ 37 $ 1,624    
Impairments 122 424 $ 833  
Cost-method Investments [Member]        
Gain (Loss) on Securities [Line Items]        
Impairments $ 122 $ 132 555  
Beijing UniSpreadtrum Technology Ltd [Member]        
Gain (Loss) on Securities [Line Items]        
Non-marketable equity securities       $ 966
Impairments     308  
Additional required investment funding     $ 500