Consolidated Statement of Equity (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 Jan. 02, 2010	$ 2,275		$ 105	$ 472	$ 5,481	$ (1,820)	$ (1,966)	$ 2,272	$ 3
Balance, shares at Jan. 02, 2010			419			38
Common stock repurchases shares						21
Common stock repurchases value	(1,057)					(1,057)		(1,057)
Net income (loss)	1,240				1,247			1,247	(7)	1,240
Dividends	(584)				(584)			(584)
Other comprehensive income	52						52	52		52
Stock compensation	19			19				19
Stock options exercised and other in shares						(5)
Stock options exercised and other in value	209			4	(22)	227		209
Balance, value at Jan. 01, 2011	2,154	[1]	105	495	6,122	(2,650)	(1,914)	2,158	(4)	1,292
Balance, shares at Jan. 01, 2011			419			54
Common stock repurchases shares	13					13
Common stock repurchases value	(688)					(688)		(688)
Acquisition of noncontrolling interest	0			(8)				(8)	8
Net income (loss)	997				999			999	(2)	997
Dividends	(452)				(452)			(452)
Other comprehensive income	(12)						(12)	(12)		(12)
Stock compensation	17			17				17
Stock options exercised and other in shares						(6)
Stock options exercised and other in value	269			6	(25)	288		269
Balance, value at Oct. 01, 2011	$ 2,285		$ 105	$ 510	$ 6,644	$ (3,050)	$ (1,926)	$ 2,283	$ 2	$ 985
Balance, shares at Oct. 01, 2011			419			61

[1] * Condensed from audited financial statements.