v3.26.1
Share Plans (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Jun. 26, 2026
Dec. 26, 2025
Jun. 27, 2025
Jun. 26, 2026
Jun. 27, 2025
Share Based Compensation Arrangements:          
Share-based compensation expense $ 38   $ 36 $ 130 $ 105
Shares available for issuance 17.0     17.0  
Share Based Compensation Expenses Not Recognized          
Share-based compensation, share-based awards, total compensation expense not yet recognized $ 166     $ 166  
Share-based compensation, share-based awards, total compensation expense not yet recognized, expected period for recognition 1 year 4 months 24 days        
Employee Stock Option          
Share Based Compensation Arrangements:          
Share options granted   0.3      
Options granted, grant-date fair value (in dollars per share)   $ 67.29      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology          
Expected share price volatility (as a percent)   27.00%      
Risk-free interest rate (as a percent)   3.90%      
Expected annual dividend per share   $ 2.84      
Expected life of options (in years)   5 years 6 months      
Restricted share awards          
Share Based Compensation Arrangements:          
Shares granted   0.3      
Shares granted, grant-date fair value (in dollars per share)   $ 236.28      
Performance share awards          
Share Based Compensation Arrangements:          
Shares granted   0.1      
Shares granted, grant-date fair value (in dollars per share)   $ 236.28