Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013 Pringles [Member]	May 31, 2012 Pringles [Member]	Mar. 30, 2013 Pringles [Member] Net Sales [Member]	Mar. 30, 2013 Pringles [Member] Cost of Goods Sold [Member]	Mar. 30, 2013 Pringles [Member] Selling, General and Administrative Expense [Member]
Business Acquisition [Line Items]
Business Acqusition cost				$ 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
Transaction fees and integration-related costs			20		1	4	15
Net Revenues contributed by Pringles acquisition			370
Net Earnings contributed by Pringles acquisition			15
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Finite Lived Intangible Assets Amortization Expense Next Twelve Months	7
Finite Lived Intangible Assets Amortization Expense Year Two	7
Finite Lived Intangible Assets Amortization Expense Year Three	7
Finite Lived Intangible Assets Amortization Expense Year Four	7
Finite Lived Intangible Assets Amortization Expense Year Five	7
Amortization expense	$ 2	$ 1