v3.25.4
Kenvue separation and discontinued operations - Details (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
May 17, 2024
May 15, 2024
Aug. 23, 2023
May 08, 2023
Dec. 28, 2025
Dec. 29, 2024
Dec. 31, 2023
Jul. 02, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Commercial paper   $ 3,600            
Proceeds from issuance of commercial paper   $ 3,600            
Debt for equity exchange, shares exchanged (in shares) 182,329,550              
Loss on shares exchanged $ 400              
Common stock, par value per share (in usd per share)         $ 1.00 $ 1.00    
Proceeds from Kenvue initial public offering         $ 0 $ 0 $ 4,241  
Realized gain (loss) on investment       $ 2,500        
Common stock received in exchange offer     $ 31,400          
Accumulated other comprehensive loss         14,930 11,741    
Transition service agreement, term     24 months          
Separation costs incurred           $ 145 $ 986  
Minimum                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Transition manufacturing agreement, term     3 months          
Maximum                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Transition manufacturing agreement, term     5 years          
Consumer Health Business                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Net assets divested     $ 11,600          
Accumulated other comprehensive loss     4,300          
Decrease in noncontrolling interest     1,200          
Noncash gain on exchange offer     $ 21,000          
Kenvue Inc.                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Split-off percentage     80.10%          
Kenvue Inc.                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Stock issued in exchange offer (in shares)     190,955,436          
Kenvue Inc.                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Common stock, par value per share (in usd per share)       $ 0.01        
Sale of stock (in USD per share)       $ 22.00        
Stock issued in exchange offer (in shares)     1,533,830,450          
Johnson & Johnson | Kenvue Inc.                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Percentage ownership after transaction       89.60%        
Common stock, value               $ 1,300
Percentage ownership after transaction     9.50%          
Equity securities, fair market value     $ 4,300   $ 400      
Johnson & Johnson | Kenvue Inc. | Consumer Health Business                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Noncash gain on exchange offer     $ 2,800          
IPO | Kenvue Inc.                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Sale of stock, number of shares issued in transaction (in shares)       198,734,444        
Proceeds from Kenvue initial public offering       $ 4,200