Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Income Statement [Abstract]
Net sales	$ 6,120	$ 2,594	$ 11,214	$ 8,123
Cost of products sold	4,492	1,827	7,857	5,741
Gross profit	1,628	767	3,357	2,382
Selling, general and administrative expenses	1,229	358	2,005	1,166
Operating income	399	409	1,352	1,216
Interest expense	460	167	1,055	504
Other expense, net	108	28	314	80
(Loss)/income before income taxes	(169)	214	(17)	632
(Benefit from)/provision for income taxes	(49)	40	(16)	125
Net (loss)/income	(120)	174	(1)	507
Less: Net income attributable to the noncontrolling interest	(3)	(2)	(10)	(13)
Net (loss)/income attributable to Kraft Heinz	(123)	172	(11)	494
Preferred dividend	180	180	540	540
Net loss attributable to common shareholders	$ (303)	$ (8)	$ (551)	$ (46)
Earnings Per Share [Abstract]
Basic loss per share (in dollars per share)	$ (0.27)	$ (0.02)	$ (0.87)	$ (0.12)
Diluted loss per share (in dollars per share)	(0.27)	(0.02)	(0.87)	(0.12)
Dividends declared (in dollars per share)	$ 0.55	$ 0.00	$ 0.55	$ 0.00