Segment Reporting Segment Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 27, 2015	Jun. 28, 2015	Sep. 28, 2014	Jun. 29, 2014	Sep. 27, 2015	Sep. 28, 2014
Segment Reporting Information [Line Items]
General corporate expenses	$ (36)		$ (32)		$ (106)	$ (111)
Depreciation and amortization, excluding accelerated depreciation	(193)		(222)		(619)	(694)
Integration and restructuring expenses	(482)		(163)		(681)	(502)
Merger costs	(139)		(15)		(193)	(49)
Unrealized gains/(losses) on commodity contracts	0		(10)		23	13
Impairment losses on indefinite-lived intangible assets	0	$ (58)	0	$ (62)	(58)	(62)
Gain/(loss) on sale of business	0		0		21	0
Nonmonetary currency devaluation	0	$ (49)	0		(49)	0
Equity award compensation expense	(16)		(26)		(60)	(80)
Pro forma adjustments	(253)		(689)		(1,896)	(2,246)
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
United States
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	1,061		1,046		3,437	3,361
Canada
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	110		138		374	435
Europe
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	222		205		661	658
Rest of World
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	$ 125		$ 177		$ 498	$ 493