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. 31, 2011		$ 1,798		$ 105	$ 522	$ 5,305	$ (3,130)	$ (1,006)		$ 1,796	$ 2
Balance, shares at Dec. 31, 2011				419			62
Common stock repurchases, shares							1.0
Common stock repurchases, value		(63)					(63)			(63)
Acquisition of noncontrolling interest		59								0	59
Net income (loss)		961				961				961	0	961
Dividends		(622)				(622)				(622)
Other comprehensive income (loss)	[1]	60						60		60		60
Stock compensation		36			36					36
Stock options exercised and other, shares				1			(5)
Stock options exercised and other, value		236			15	(29)	250			236
Balance, value at Dec. 29, 2012		2,465	[2]	105	573	5,615	(2,943)	(946)	[1]	2,404	61	1,021
Balance, shares at Dec. 29, 2012				420			58
Common stock repurchases, shares							8.0
Common stock repurchases, value		(544)			(36)		(508)			(544)
Net income (loss)		663				663				663		663
Dividends		(320)				(320)				(320)
Other comprehensive income (loss)	[1]	(77)						(77)		(77)		(77)
Stock compensation		15			15					15
Stock options exercised and other, shares				0			(8)
Stock options exercised and other, value		417			16	(19)	420			417
Balance, value at Jun. 29, 2013		$ 2,619		$ 105	$ 568	$ 5,939	$ (3,031)	$ (1,023)		$ 2,558	$ 61	$ 586
Balance, shares at Jun. 29, 2013				420			58

[1] Amounts have been revised as discussed in Note 2 to the financial statements.

[2] Condensed from audited financial statements.