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Segment Information - Additional Information (Detail)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 25, 2021
USD ($)
[1]
Sep. 25, 2021
USD ($)
[1]
Jun. 26, 2021
USD ($)
[1]
Mar. 27, 2021
USD ($)
[1]
Dec. 26, 2020
USD ($)
[1]
Sep. 26, 2020
USD ($)
[1]
Jun. 27, 2020
USD ($)
[1]
Mar. 28, 2020
USD ($)
[1]
Dec. 25, 2021
USD ($)
Segment
Dec. 26, 2020
USD ($)
Dec. 28, 2019
USD ($)
Segment Reporting Information [Line Items]                      
Number of reportable segments | Segment                 2    
Sales | $ $ 2,042 $ 2,179 $ 2,070 $ 2,174 $ 2,085 $ 2,347 $ 1,947 $ 2,493 $ 8,465 $ 8,872 $ 9,667
Number of operating segments | Segment                 2    
Varis                      
Segment Reporting Information [Line Items]                      
Sales | $                 $ 5    
[1] Due to rounding, the sum of the quarterly amounts may not equal the reported amounts for the year.