Quarterly Financial Data (Unaudited) Schedule of Quarterly Financial (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Jan. 03, 2016	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 7,124	$ 6,120	$ 2,616	$ 2,478	$ 2,799	$ 2,594	$ 2,729	$ 2,800
Gross profit	2,404	1,628	882	847	895	767	803	812
Net (loss)/income from continuing operations attributable to Kraft Heinz, net of tax	645	(123)	(164)	276	163	172	127	195
Net (loss)/income attributable to common shareholders	$ 285	$ (303)	$ (344)	$ 96	$ (17)	$ (8)	$ (53)	$ 15
Basic (loss)/income per share (in dollars per share)	$ 0.23	$ (0.27)	$ (0.91)	$ 0.26	$ (0.04)	$ (0.02)	$ (0.14)	$ 0.04
Diluted (loss)/income per share (in dollars per share)	$ 0.23	$ (0.27)	$ (0.91)	$ 0.24	$ (0.04)	$ (0.02)	$ (0.14)	$ 0.04