Annual report [Section 13 and 15(d), not S-K Item 405]

Borrowings, Narrative (Details)

v3.25.4
Borrowings, Narrative (Details) - USD ($)
12 Months Ended
Dec. 27, 2025
Dec. 28, 2024
Dec. 30, 2023
Debt Instrument [Line Items]      
Debt settled $ 3,750,000,000 $ 2,288,000,000 $ 423,000,000
4.00% Oregon and Arizona Bonds Due June 2049      
Debt Instrument [Line Items]      
Debt issued   $ 438,000,000  
Stated interest rate 4.00% 4.00%  
Senior Notes      
Debt Instrument [Line Items]      
Debt settled $ 3,700,000,000 $ 1,900,000,000  
Debt issued   2,600,000,000  
Line of Credit | Revolving Credit Facility      
Debt Instrument [Line Items]      
Borrowings outstanding $ 0 0  
Line of Credit | 364 Day Credit Facility | Revolving Credit Facility      
Debt Instrument [Line Items]      
Debt instrument term 364 days    
Maximum borrowing capacity $ 5,000,000,000.0 $ 8,000,000,000.0  
Debt instrument extension term 1 year 1 year  
Line of Credit | 5 Year Revolving Credit Facility | Revolving Credit Facility      
Debt Instrument [Line Items]      
Debt instrument term   5 years  
Maximum borrowing capacity   $ 7,000,000,000.0 $ 5,000,000,000.0
Debt instrument extension term   1 year