v3.26.1
Comprehensive Income - Accumulated Other Comprehensive Loss and Comprehensive Income Components (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Dec. 27, 2025
Attributable to Redeemable noncontrolling interests:          
Foreign currency translation adjustment $ (22)   $ (22)   $ (26)
Attributable to noncontrolling interests:          
Foreign currency translation adjustment 1   1   1
Attributable to Henry Schein, Inc.:          
Foreign currency translation adjustment (163)   (163)   (196)
Unrealized loss from hedging activities (15)   (15)   (24)
Pension adjustment loss (6)   (6)   (6)
Accumulated other comprehensive loss (184)   (184)   (226)
Total Accumulated other comprehensive loss (205)   (205)   $ (251)
Components of Comprehensive Income          
Net income 102 $ 94 214 $ 207  
Foreign currency translation gain 5 133 37 209  
Tax effect 0 0 0 0  
Foreign currency translation gain 5 133 37 209  
Unrealized gain (loss) from hedging activities 1 (29) 12 (35)  
Tax effect 0 8 (3) 9  
Unrealized gain (loss) from hedging activities 1 (21) 9 (26)  
Pension adjustment gain 0 0 0 1  
Tax effect 0 0 0 (1)  
Pension adjustment gain 0 0 0 0  
Comprehensive income $ 108 $ 206 $ 260 $ 390