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DISPOSAL OF BUSINESS (Details) - USD ($) $ in Millions			3 Months Ended		12 Months Ended
DISPOSAL OF BUSINESS (Details) - USD ($) $ in Millions	Apr. 26, 2019	Mar. 13, 2019	Feb. 01, 2020	Nov. 09, 2019	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
HELD FOR SALE
Gain on sale of businesses							$ 176
Impairment of finance lease assets					$ 4	$ 2
Other long-lived asset impairment charge					$ 64	$ 70	120
You Technology business unit \| Disposed by Sale
HELD FOR SALE
Consideration for sale		$ 565
Proceeds received upon closing		396
Preferred equity		64
Other cash consideration		$ 105
Other cash consideration receivable period		5 years
Gain on sale of businesses		$ 70
Gain on sale of business, net of tax		52
You Technology business unit \| Disposed by Sale \| Other Liabilities
HELD FOR SALE
Fair value of long-term service agreement		$ 358
Term to be recorded as sales		10 years
Turkey Hill Dairy Business \| Disposed by Sale
HELD FOR SALE
Proceeds received upon closing	$ 225
Gain on sale of businesses	106
Gain on sale of business, net of tax	$ 80
Lucky's Market \| Disposal Group, Disposed of by Means Other than Sale
HELD FOR SALE
Asset Impairment Charges				$ 238
Impairment of property, plant and equipment				200
Impairment of finance lease assets				40
Goodwill impairment charge				19
Operating Lease, Impairment Loss				11
Other long-lived asset impairment charge				8
Impairment charges attributable to The Kroger Co.			$ 174	131			305
Impairment charges attributable to The Kroger Co., net of tax			$ 125	$ 100			$ 225