EARNINGS PER COMMON SHARE (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 09, 2013	Nov. 03, 2012	Nov. 09, 2013	Nov. 03, 2012
EARNINGS PER COMMON SHARE
Net earnings attributable to The Kroger Co. per basic common share	$ 297	$ 314	$ 1,088	$ 1,027
Average number of common shares used in basic calculation	515	518	515	539
Net earnings attributable to The Kroger Co. per basic common share (in dollars per share)	$ 0.58	$ 0.61	$ 2.11	$ 1.90
Dilutive effect of stock options (in shares)	6	4	6	4
Net earnings attributable to The Kroger Co. per diluted common share	297	314	1,088	1,027
Average number of common shares used in diluted calculation	521	522	521	543
Net earnings attributable to The Kroger Co. per diluted common share (in dollars per share)	$ 0.57	$ 0.60	$ 2.09	$ 1.89
Undistributed and distributed earnings to participating securities	$ 2	$ 3	$ 9	$ 8
Shares excluded from the earnings per share calculation due to anti-dilutive effect on earnings per share	4	14	2	12