Acquisitions, Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012 Pringles [Member]	Sep. 29, 2012 Pringles [Member]	May 31, 2012 Pringles [Member]	Sep. 29, 2012 Pringles [Member] Cost of Goods Sold [Member]	Sep. 29, 2012 Pringles [Member] Cost of Goods Sold [Member]	Sep. 29, 2012 Pringles [Member] Selling, General and Administrative Expense [Member]	Sep. 29, 2012 Pringles [Member] Selling, General and Administrative Expense [Member]	Jun. 30, 2012 Pringles [Member] Other Income (Expense), Net [Member]
Business Acquisition [Line Items]
Business Acqusition cost					$ 2,695
Purchase price net of cash and cash equivalents, subject to purchase price adjustments					2,684
Purchase price adjustment			10	10
Purchase price net of cash and cash equivalents including purchase price adjustments			2,674	2,674
Goodwill expected to be deductible for statutory tax purposes			647	647
Transaction fees and integration-related costs			18			1	1	17	48
Net Revenues contributed by Pringles acquisition			376	495
Net Earnings contributed by Pringles acquisition			31	16
Acquisition bridge financing facility fees										5
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Finite Lived Intangible Assets Amortization Expense Next Twelve Months	2
Finite Lived Intangible Assets Amortization Expense Year Two	2
Finite Lived Intangible Assets Amortization Expense Year Three	2
Finite Lived Intangible Assets Amortization Expense Year Four	2
Finite Lived Intangible Assets Amortization Expense Year Five	2
Amortization expense	$ 1	$ 1