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Summary of Significant Accounting Policies, Insurance Reserves (Details) - USD ($)
 12 Months Ended
Dec. 26, 2023
Dec. 27, 2022
Insurance Reserves    
Self-insurance limit, Employee practices liability $ 500,000,000 $ 500,000,000
Self-insurance limit, Employee practices liability Class Action 2,500,000,000 2,500,000,000
Self-insurance limit, Workers compensation 350,000,000 350,000,000
Self-insurance limit, General liability 2,500,000,000 2,500,000,000
Self-insurance limit, Property 250,000,000 250,000,000
Self-insurance limit, Employee healthcare 400,000,000 400,000,000
Initial retention amount on general liability 2,500,000,000  
Income Taxes    
Deferred Income Tax, Valuation Allowance 0 $ 0
Minimum    
Insurance Reserves    
Self-insurance reserve, Additional corridor that includes claim costs 5,000,000,000  
Maximum    
Insurance Reserves    
Self-insurance reserve, Additional corridor that includes claim costs $ 10,000,000,000