Annual report pursuant to Section 13 and 15(d)

Accounting Policies (Detail)

v3.20.4
Accounting Policies (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Production Related Impairments or Charges [Abstract]    
PRQ Max $ 870  
Credit Concentration Risk [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure $ 2,000  
Credit Concentration Risk [Member] | Accounts Receivable [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 43.00% 39.00%
Maximum    
Revenue, Major Customer [Line Items]    
Manufacturing Costs $ 1,100