Consolidated Statement of Equity (Unaudited) (USD $) In Millions	Total		Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total Kellogg Company Equity [Member]	Noncontrolling Interests [Member]	Total Comprehensive Income (Loss) [Member]
Balance, value at Dec. 29, 2012	$ 2,465		$ 105	$ 573	$ 5,615	$ (2,943)	$ (946)	$ 2,404	$ 61
Balance, shares at Dec. 29, 2012			420			58
Common stock repurchases, shares						9
Common stock repurchases, value	(544)					(544)		(544)
Net income (loss)	1,808				1,807			1,807	1	1,808
Dividends	(653)				(653)			(653)
Other comprehensive income (loss)	10						10	10		10
Stock compensation	28			28				28
Stock options exercised and other, shares						(10)
Stock options exercised and other, value	493			25	(20)	488		493
Balance, value at Dec. 28, 2013	3,607	[1]	105	626	6,749	(2,999)	(936)	3,545	62	1,818
Balance, shares at Dec. 28, 2013			420			57
Common stock repurchases, shares	11					11
Common stock repurchases, value	(690)					(690)		(690)
Net income (loss)	926							925	1	926
Dividends	(506)				(505)			(505)	(1)
Other comprehensive income (loss)	(80)						(80)	(80)		(80)
Stock compensation	21			21				21
Stock options exercised and other, shares						(3)
Stock options exercised and other, value				9	(8)	166		167
Balance, value at Sep. 27, 2014	$ 3,445		$ 105	$ 656	$ 7,161	$ (3,523)	$ (1,016)	$ 3,383	$ 62	$ 846
Balance, shares at Sep. 27, 2014			420			65

[1] Condensed from audited financial statements.