Annual report pursuant to Section 13 and 15(d)

Investments, Non-Marketable Cost Method Investments (Detail)

v3.21.4
Investments, Non-Marketable Cost Method Investments (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 25, 2021
Dec. 26, 2020
Dec. 28, 2019
Gain (Loss) on Securities [Line Items]      
Non-marketable equity securities $ 16 $ 18  
Impairments 154 303 $ 122
Cumulative impairment for equity securities without readily determinable fair value 916    
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount 1,100    
Cost-method Investments [Member]      
Gain (Loss) on Securities [Line Items]      
Impairments $ 154 $ 290 $ 122