Equity (Tables)

9 Months Ended

Sep. 29, 2012

Equity [Abstract]

Earnings per Share [Table Text Block]

Quarters ended September 29, 2012 and October 1, 2011:
			Net income	Average
			attributable to	shares		Earnings
(millions, except per share data)			Kellogg Company	outstanding		per share
2012
	Basic	$	296	358	$	0.83
	Dilutive potential common shares			1		(0.01)
	Diluted	$	296	359	$	0.82
2011
	Basic	$	290	360	$	0.81
	Dilutive potential common shares			3		(0.01)
	Diluted	$	290	363	$	0.80

Year-to-date period ended September 29, 2012 and October 1, 2011:
			Net income	Average
			attributable to	shares		Earnings
(millions, except per share data)			Kellogg Company	outstanding		per share
2012
	Basic	$	955	357	$	2.67
	Dilutive potential common shares			2		(0.01)
	Diluted	$	955	359	$	2.66
2011
	Basic	$	999	363	$	2.75
	Dilutive potential common shares			2		(0.02)
	Diluted	$	999	365	$	2.73

Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated other comprehensive income (loss) as of September 29, 2012 and December 31, 2011 consisted of the following:
			September 29,		December 31,
(millions)			2012		2011
Foreign currency translation adjustments		$	(819)	$	(896)
Cash flow hedges — unrealized net gain (loss)			(7)		(9)
Postretirement and postemployment benefits:
	Net experience loss		(1,432)		(1,483)
	Prior service cost		(65)		(70)
Total accumulated other comprehensive income (loss)		$	(2,323)	$	(2,458)