v3.3.1.900
Document and Entity Information - USD ($)
12 Months Ended
Jan. 03, 2016
Feb. 19, 2016
Jun. 28, 2015
Document Information [Line Items]      
Entity Registrant Name JOHNSON & JOHNSON    
Entity Central Index Key 0000200406    
Current Fiscal Year End Date --01-03    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Jan. 03, 2016    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   2,759,359,192  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 276,000,000,000