Restructuring, Impairment and Integration Charges (Summary of Productivity Plan Activity) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Merger and integration costs	$ 10	$ 16	$ 329
Restructuring Reserve [Roll Forward]
Cash payments for restructuring charges	(133)	(343)	(31)
Severance And Other Employee Costs
Restructuring Cost and Reserve [Line Items]
Merger and integration costs	(2)	(3)	146
Asset Impairments
Restructuring Cost and Reserve [Line Items]
Merger and integration costs	7	1	34
Other Costs
Restructuring Cost and Reserve [Line Items]
Merger and integration costs	5	18	149
Productivity Plan
Restructuring Reserve [Roll Forward]
Liability at beginning of period	127	276
Restructuring, Settlement and Impairment Provisions	110	279	383
Cash payments for restructuring charges	(133)	(343)	(30)
Non-cash charges	(19)	(85)	(77)
Liability at end of period	85	127	276
Productivity Plan | Severance And Other Employee Costs
Restructuring Reserve [Roll Forward]
Liability at beginning of period	91	249
Restructuring, Settlement and Impairment Provisions	74	89	327
Cash payments for restructuring charges	(89)	(239)	(1)
Non-cash charges	(8)	(8)	(77)
Liability at end of period	68	91	249
Productivity Plan | Asset Impairments
Restructuring Reserve [Roll Forward]
Liability at beginning of period
Restructuring, Settlement and Impairment Provisions	6	75
Non-cash charges	(6)	(75)
Liability at end of period
Productivity Plan | Other Costs
Restructuring Reserve [Roll Forward]
Liability at beginning of period	36	27
Restructuring, Settlement and Impairment Provisions	30	115	56
Cash payments for restructuring charges	(44)	(104)	(29)
Non-cash charges	(5)	(2)
Liability at end of period	17	36	27
Wimm Bill Dann Acquisition
Restructuring Cost and Reserve [Line Items]
Merger and integration costs	$ 10	$ 16