Consolidated Statement of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Consolidated Statement of Income
Net sales	$ 3,714	$ 3,474	$ 7,575	$ 6,914
Cost of goods sold	2,237	2,035	4,705	4,122
Selling, general and administrative expense	907	920	1,797	1,746
Operating profit	570	519	1,073	1,046
Interest expense	61	89	121	122
Other income (expense), net	(5)	7	(12)	20
Income before income taxes	504	437	940	944
Income taxes	150	113	274	269
Earnings (loss) from joint ventures	(2)	0	(3)	0
Net income	352	324	663	675
Net income (loss) attributable to noncontrolling interests	0	0	0	0
Net income attributable to Kellogg Company	$ 352	$ 324	$ 663	$ 675
Per share amounts:
Basic	$ 0.96	$ 0.91	$ 1.82	$ 1.89
Diluted	$ 0.96	$ 0.90	$ 1.81	$ 1.88
Dividends per share	$ 0.440	$ 0.430	$ 0.880	$ 0.860
Average shares outstanding:
Basic	364	357	364	357
Diluted	367	359	366	359
Actual shares outstanding at period end	362	358	362	358