v3.26.1
Income taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 29, 2026
Mar. 30, 2025
Income Tax Contingency    
Worldwide effective income tax rate (as a percent) 12.60% 19.30%
Effective income tax rate reconciliation, tax settlement, percent   22.00%
Unrecognized tax benefits $ 2,600  
Reduction in effective income tax rate 5.10% 0.40%
Talc | General Corporate    
Income Tax Contingency    
Reversal of fee expense   $ 7,000
Litigation expense $ 300