Document and Entity Information - shares	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