Acquisitions, Goodwill and Other Intangible Assets (Carrying Amount of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended																12 Months Ended																3 Months Ended	12 Months Ended												3 Months Ended	12 Months Ended
	Sep. 28, 2013	Dec. 28, 2013		Dec. 29, 2012		Dec. 28, 2013 Pringles [Member]	Dec. 29, 2012 Pringles [Member]	Dec. 28, 2013 Other [Member]	Dec. 29, 2012 Other [Member]	Dec. 28, 2013 U.S. Morning Foods [Member]	Dec. 29, 2012 U.S. Morning Foods [Member]	Dec. 28, 2013 U.S. Morning Foods [Member] Pringles [Member]	Dec. 29, 2012 U.S. Morning Foods [Member] Pringles [Member]	Dec. 28, 2013 U.S. Morning Foods [Member] Other [Member]	Dec. 29, 2012 U.S. Morning Foods [Member] Other [Member]	Dec. 28, 2013 U.S. Snacks [Member]	Dec. 31, 2011 U.S. Snacks [Member]	Dec. 28, 2013 U.S. Snacks [Member] Pringles [Member]	Dec. 29, 2012 U.S. Snacks [Member] Pringles [Member]	Dec. 28, 2013 U.S. Snacks [Member] Other [Member]	Dec. 29, 2012 U.S. Snacks [Member] Other [Member]	Dec. 28, 2013 U.S. Specialty [Member]	Dec. 29, 2012 U.S. Specialty [Member]	Dec. 28, 2013 U.S. Specialty [Member] Pringles [Member]	Dec. 29, 2012 U.S. Specialty [Member] Pringles [Member]	Dec. 28, 2013 U.S. Specialty [Member] Other [Member]	Dec. 29, 2012 U.S. Specialty [Member] Other [Member]	Dec. 28, 2013 North America Other [Member]	Dec. 29, 2012 North America Other [Member]	Dec. 28, 2013 North America Other [Member] Pringles [Member]	Dec. 29, 2012 North America Other [Member] Pringles [Member]	Dec. 29, 2012 North America Other [Member] Other [Member]	Dec. 28, 2013 North America [Member] Other [Member]	Sep. 28, 2013 Europe [Member]	Dec. 28, 2013 Europe [Member]	Dec. 29, 2012 Europe [Member]	Dec. 28, 2013 Europe [Member] Pringles [Member]	Dec. 29, 2012 Europe [Member] Pringles [Member]	Dec. 28, 2013 Europe [Member] Other [Member]	Dec. 29, 2012 Europe [Member] Other [Member]	Dec. 28, 2013 Latin America [Member]	Dec. 29, 2012 Latin America [Member]	Dec. 28, 2013 Latin America [Member] Pringles [Member]	Dec. 29, 2012 Latin America [Member] Pringles [Member]	Dec. 28, 2013 Latin America [Member] Other [Member]	Dec. 29, 2012 Latin America [Member] Other [Member]	Sep. 28, 2013 Asia Pacific [Member]	Dec. 28, 2013 Asia Pacific [Member]	Dec. 29, 2012 Asia Pacific [Member]	Dec. 28, 2013 Asia Pacific [Member] Pringles [Member]	Dec. 29, 2012 Asia Pacific [Member] Pringles [Member]	Dec. 28, 2013 Asia Pacific [Member] Other [Member]	Dec. 29, 2012 Asia Pacific [Member] Other [Member]
Changes in the carrying amount of goodwill
Beginning Balance		$ 5,038	[1]	$ 3,623						$ 133	$ 80					$ 3,767	$ 3,257					$ 82	$ 0					$ 280	$ 202						$ 438	$ 57					$ 92	$ 0						$ 246	$ 27
Goodwill	13					13	1,306	12	76			0	53	0	0			0	434	12	76			0	82	0	0			0	77	0	0	10			10	356	0	0			0	88	0	0	3			3	216	0	0
Currency translation adjustment		(12)		33						0	0					0					0	0	0					(2)	1						4	25					(3)	4						(11)	3
Ending Balance		$ 5,051		$ 5,038	[1]					$ 133	$ 133					$ 3,779	$ 3,257					$ 82	$ 82					$ 278	$ 280						$ 452	$ 438					$ 89	$ 92						$ 238	$ 246

[1] *December 29, 2012 balances have been revised as discussed in Note 2 to the financial statements.