v3.25.4
Common stock, stock option plans and stock compensation agreements - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Dec. 28, 2025
Dec. 29, 2024
Outstanding Shares    
Options outstanding beginning of period (in shares) 112,629  
Options granted (in shares) 12,367  
Options exercised (in shares) (29,742)  
Options canceled/forfeited (in shares) (2,182)  
Options outstanding end of period (in shares) 93,072  
Weighted Average Exercise Price    
Options exercise price beginning of period (in dollars per share) $ 144.69  
Options granted, average exercise price (in dollars per share) 156.15  
Options exercised, average exercise price (in dollars per share) 128.09  
Options canceled/forfeited, average exercise price (in dollars per share) 160.90  
Options exercise price end of period (in dollars per share) $ 151.14  
Aggregate intrinsic value $ 5,257 $ 1,129