Document and Entity Information
9 Months Ended
Sep. 27, 2015
Nov. 01, 2015
Document and Entity Information [Abstract]    
Entity Registrant Name Kraft Heinz Co  
Entity Central Index Key 0001637459  
Document Type 10-Q  
Document Period End Date Sep. 27, 2015  
Amendment Flag false  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --01-03  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   1,213,455,716