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Summary of Valuation Allowances (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 25, 2021
Dec. 26, 2020
Dec. 28, 2019
Income Taxes [Line Items]      
Beginning balance $ 99    
Ending balance 93 $ 99  
Valuation Allowance of Deferred Tax Assets      
Income Taxes [Line Items]      
Beginning balance 99 100 $ 92
Additions, charged to expense   2 8
Reductions (6) (3)  
Ending balance $ 93 $ 99 $ 100