v3.26.1
Fair value measurements - Financial Liabilities not Measured at Fair Value (Details)
$ in Millions
Jun. 28, 2026
USD ($)
Jun. 28, 2026
EUR (€)
Dec. 28, 2025
USD ($)
Financial Liabilities      
Current Debt $ 11,692   $ 8,495
Non-Current Debt      
Non-Current Debt 37,344   39,438
Excess of carrying value over fair value of debt     $ 1,700
Carrying Amount      
Financial Liabilities      
Current Debt 11,692    
Non-Current Debt      
Non-Current Debt 37,344    
Estimated Fair Value      
Financial Liabilities      
Current Debt 11,704    
Non-Current Debt      
Non-Current Debt $ 35,408    
0.95% Notes due 2027      
Non-Current Debt      
Stated interest rate (as a percent) 0.95% 0.95%  
0.95% Notes due 2027 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,499    
0.95% Notes due 2027 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,449    
2.90% Notes due 2028      
Non-Current Debt      
Stated interest rate (as a percent) 2.90% 2.90%  
2.90% Notes due 2028 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,499    
2.90% Notes due 2028 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,473    
1.150% Notes due 2028 (750MM Euro 1.1354)      
Non-Current Debt      
Stated interest rate (as a percent) 1.15% 1.15%  
Debt instrument, face amount | €   € 750,000,000  
Foreign exchange rate 1.1354 1.1354  
1.150% Notes due 2028 (750MM Euro 1.1354) | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 850    
1.150% Notes due 2028 (750MM Euro 1.1354) | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 821    
4.55% Notes Due 2029      
Non-Current Debt      
Stated interest rate (as a percent) 4.55% 4.55%  
4.55% Notes Due 2029 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 749    
4.55% Notes Due 2029 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 755    
4.80% Notes due 2029      
Non-Current Debt      
Stated interest rate (as a percent) 4.80% 4.80%  
4.80% Notes due 2029 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,147    
4.80% Notes due 2029 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,171    
6.95% Notes due 2029      
Non-Current Debt      
Stated interest rate (as a percent) 6.95% 6.95%  
6.95% Notes due 2029 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 299    
6.95% Notes due 2029 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 324    
2.700% Notes Due February 2029      
Non-Current Debt      
Stated interest rate (as a percent) 2.70% 2.70%  
Debt instrument, face amount | €   € 600,000,000  
Foreign exchange rate 1.1354 1.1354  
2.700% Notes Due February 2029 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 681    
2.700% Notes Due February 2029 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 681    
1.30% Notes due 2030      
Non-Current Debt      
Stated interest rate (as a percent) 1.30% 1.30%  
1.30% Notes due 2030 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,700    
1.30% Notes due 2030 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,554    
4.70% Notes due 2030      
Non-Current Debt      
Stated interest rate (as a percent) 4.70% 4.70%  
4.70% Notes due 2030 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 996    
4.70% Notes due 2030 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,015    
4.90% Notes due 2031      
Non-Current Debt      
Stated interest rate (as a percent) 4.90% 4.90%  
4.90% Notes due 2031 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,146    
4.90% Notes due 2031 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,178    
3.20% Notes due 2032 (700MM Euro 1.0721)      
Non-Current Debt      
Stated interest rate (as a percent) 3.20% 3.20%  
Debt instrument, face amount | €   € 700,000,000  
Foreign exchange rate 1.1354 1.1354  
3.20% Notes due 2032 (700MM Euro 1.0721) | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 792    
3.20% Notes due 2032 (700MM Euro 1.0721) | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 803    
4.85% Notes Due 2032      
Non-Current Debt      
Stated interest rate (as a percent) 4.85% 4.85%  
4.85% Notes Due 2032 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,244    
4.85% Notes Due 2032 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,280    
4.95% Notes due 2033      
Non-Current Debt      
Stated interest rate (as a percent) 4.95% 4.95%  
4.95% Notes due 2033 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 499    
4.95% Notes due 2033 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 518    
4.375% Notes due 2033      
Non-Current Debt      
Stated interest rate (as a percent) 4.375% 4.375%  
4.375% Notes due 2033 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 853    
4.375% Notes due 2033 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt 849    
3.050% Notes Due February 2033 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 793    
Stated interest rate (as a percent) 3.05% 3.05%  
Debt instrument, face amount | €   € 700,000,000  
Foreign exchange rate 1.1354 1.1354  
3.050% Notes Due February 2033 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 792    
4.95% Notes due 2034      
Non-Current Debt      
Stated interest rate (as a percent) 4.95% 4.95%  
4.95% Notes due 2034 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 847    
4.95% Notes due 2034 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt 875    
1.650% Notes due 2035 (1.5B Euro 1.1354) | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,694    
Stated interest rate (as a percent) 1.65% 1.65%  
Debt instrument, face amount | €   € 1,500,000,000  
Foreign exchange rate 1.1354 1.1354  
1.650% Notes due 2035 (1.5B Euro 1.1354) | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,489    
5.00% Notes due 2035      
Non-Current Debt      
Stated interest rate (as a percent) 5.00% 5.00%  
5.00% Notes due 2035 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,244    
5.00% Notes due 2035 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,285    
3.35% Notes Due 2036 (800MM Euro 1.0721)      
Non-Current Debt      
Stated interest rate (as a percent) 3.35% 3.35%  
Debt instrument, face amount | €   € 800,000,000  
Foreign exchange rate 1.1354 1.1354  
3.35% Notes Due 2036 (800MM Euro 1.0721) | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 904    
3.35% Notes Due 2036 (800MM Euro 1.0721) | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 905    
3.587% Notes due 2036      
Non-Current Debt      
Stated interest rate (as a percent) 3.587% 3.587%  
3.587% Notes due 2036 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 920    
3.587% Notes due 2036 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 913    
5.95% Notes due 2037      
Non-Current Debt      
Stated interest rate (as a percent) 5.95% 5.95%  
5.95% Notes due 2037 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 995    
5.95% Notes due 2037 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,101    
3.625% Notes due 2037      
Non-Current Debt      
Stated interest rate (as a percent) 3.625% 3.625%  
3.625% Notes due 2037 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,408    
3.625% Notes due 2037 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,348    
3.350% Notes Due February 2037      
Non-Current Debt      
Stated interest rate (as a percent) 3.35% 3.35%  
Debt instrument, face amount | €   € 1,000,000,000.0  
Foreign exchange rate 1.1354 1.1354  
3.350% Notes Due February 2037 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,133    
3.350% Notes Due February 2037 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,118    
3.40% Notes due 2038      
Non-Current Debt      
Stated interest rate (as a percent) 3.40% 3.40%  
3.40% Notes due 2038 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 994    
3.40% Notes due 2038 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 871    
5.85% Notes due 2038      
Non-Current Debt      
Stated interest rate (as a percent) 5.85% 5.85%  
5.85% Notes due 2038 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 697    
5.85% Notes due 2038 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 762    
4.50% Notes due 2040      
Non-Current Debt      
Stated interest rate (as a percent) 4.50% 4.50%  
4.50% Notes due 2040 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 542    
4.50% Notes due 2040 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 523    
2.10% Notes due 2040      
Non-Current Debt      
Stated interest rate (as a percent) 2.10% 2.10%  
2.10% Notes due 2040 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 895    
2.10% Notes due 2040 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 709    
4.85% Notes due 2041      
Non-Current Debt      
Stated interest rate (as a percent) 4.85% 4.85%  
4.85% Notes due 2041 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 298    
4.85% Notes due 2041 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 294    
4.50% Notes due 2043      
Non-Current Debt      
Stated interest rate (as a percent) 4.50% 4.50%  
4.50% Notes due 2043 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 497    
4.50% Notes due 2043 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 467    
3.55% Notes Due 2044 (1.0B Euro 1.0721)      
Non-Current Debt      
Stated interest rate (as a percent) 3.55% 3.55%  
Debt instrument, face amount | €   € 1,000,000,000.0  
Foreign exchange rate 1.1354 1.1354  
3.55% Notes Due 2044 (1.0B Euro 1.0721) | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,126    
3.55% Notes Due 2044 (1.0B Euro 1.0721) | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,082    
3.600% Notes Due February 2045      
Non-Current Debt      
Stated interest rate (as a percent) 3.60% 3.60%  
Debt instrument, face amount | €   € 700,000,000  
Foreign exchange rate 1.1354 1.1354  
3.600% Notes Due February 2045 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 790    
3.600% Notes Due February 2045 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 757    
3.73% Notes due 2046      
Non-Current Debt      
Stated interest rate (as a percent) 3.73% 3.73%  
3.73% Notes due 2046 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,980    
3.73% Notes due 2046 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,610    
3.75% Notes due 2047      
Non-Current Debt      
Stated interest rate (as a percent) 3.75% 3.75%  
3.75% Notes due 2047 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 870    
3.75% Notes due 2047 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 805    
3.50% Notes due 2048      
Non-Current Debt      
Stated interest rate (as a percent) 3.50% 3.50%  
3.50% Notes due 2048 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 744    
3.50% Notes due 2048 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 573    
2.25% Notes due 2050      
Non-Current Debt      
Stated interest rate (as a percent) 2.25% 2.25%  
2.25% Notes due 2050 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 857    
2.25% Notes due 2050 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 585    
5.25% Notes due 2054      
Non-Current Debt      
Stated interest rate (as a percent) 5.25% 5.25%  
5.25% Notes due 2054 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 843    
5.25% Notes due 2054 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 857    
3.700% Notes Due February 2055      
Non-Current Debt      
Stated interest rate (as a percent) 3.70% 3.70%  
Debt instrument, face amount | €   € 1,000,000,000.0  
Foreign exchange rate 1.1354 1.1354  
3.700% Notes Due February 2055 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,130    
3.700% Notes Due February 2055 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 1,051    
2.45% Notes due 2060      
Non-Current Debt      
Stated interest rate (as a percent) 2.45% 2.45%  
2.45% Notes due 2060 | Carrying Amount      
Non-Current Debt      
Non-Current Debt $ 1,111    
2.45% Notes due 2060 | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt 687    
Other | Carrying Amount      
Non-Current Debt      
Non-Current Debt 78    
Other | Estimated Fair Value      
Non-Current Debt      
Non-Current Debt $ 78