Acquisitions, Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified					12 Months Ended		12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Dec. 29, 2012 Variable Interest Entity, Primary Beneficiary [Member]	Dec. 29, 2012 Pringles [Member]	May 31, 2012 Pringles [Member]	Dec. 29, 2012 Pringles [Member] Cost of Goods Sold [Member]	Dec. 29, 2012 Pringles [Member] Selling, General and Administrative Expense [Member]	Dec. 29, 2012 Pringles [Member] Other Income (Expense), Net [Member]
Business Acquisition [Line Items]
Business Acquisition Cost Of Acquired Entity Purchase Price						$ 2,695
Purchase price net of cash and cash equivalents, subject to purchase price adjustments						2,683
Purchase price adjustment					15
Purchase price net of cash and cash equivalents, including purchase price adjustments					2,668
Goodwill expected to be deductible for statutory tax purposes					645
Transaction fees and integration-related costs							3	73	5
Net revenues contributed by Pringles acquisition					887
Net earnings contributed by Pringles acquisition					31
Variable Interest Entity [Line Items]
Convertible loan				44
Percentage Of Loan Convertible To Equity				85.00%
Assets, Current	3,380	3,069		14
Property, net	3,782	3,281	3,128	36
Intagibles And Other Non Current Assets				26
Goodwill	5,053	3,623	3,628	76
Liabilities, Current	4,523	3,313		2
Long-term Debt	6,837	5,798		39
Deferred income tax liabilities	523	643		8
Noncontrolling interests	$ 61	$ 2		$ 59