COMPREHENSIVE INCOME (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 05, 2011	Nov. 06, 2010	Nov. 05, 2011	Nov. 06, 2010
COMPREHENSIVE INCOME
Net earnings including noncontrolling interests	$ 198	$ 207	$ 901	$ 850
Unrealized gain (loss) on available for sale securities, net of income tax			2	5
Amortization of amounts included in net periodic pension expense, net of income tax	8	7	28	21
Unrealized loss on cash flow hedging activities, net of income tax	(8)		(8)
Amortization of unrealized gains and losses on cash flow hedging activities, net of income tax		1	1	2
Comprehensive income	198	215	924	878
Comprehensive income (loss) attributable to noncontrolling interests	2	5	(8)	12
Comprehensive income attributable to The Kroger Co.	196	210	932	866
Unrealized gain (loss) on available for sale securities, tax effect		1	1	4
Amortization of amounts included in net periodic pension expense, tax effect	5	3	17	13
Unrealized loss on cash flow hedging activities, tax effect	(5)		(5)
Amortization of unrealized gains and losses on cash flow hedging activities, tax effect			$ 1