Quarterly report pursuant to Section 13 or 15(d)

Investments - Bejing Unisoc Technology (Details)

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Investments - Bejing Unisoc Technology (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 27, 2021
Mar. 28, 2020
Dec. 26, 2020
Schedule of Investments [Line Items]      
Gains (losses) on equity investments, net $ 368 $ (111)  
Bejing Unisoc Technology Ltd.      
Schedule of Investments [Line Items]      
Gains (losses) on equity investments, net 471    
Net book value of nonmarketable equity investment $ 1,100   $ 658