Document and Entity Information
6 Months Ended
Jun. 28, 2015
Aug. 02, 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 Jun. 28, 2015  
Amendment Flag false  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --01-03  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   1,212,833,289