QUARTERLY DATA (UNAUDITED) - TABLES (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	4 Months Ended	12 Months Ended
Feb. 01, 2020	Nov. 09, 2019	Aug. 17, 2019	Feb. 02, 2019	Nov. 10, 2018	Aug. 18, 2018	May 25, 2019	May 26, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
QUARTERLY DATA (UNAUDITED)
Fiscal Period Duration	84 days	84 days	84 days	84 days	84 days	84 days	112 days	112 days	364 days	364 days	371 days
Sales	$ 28,893	$ 27,974	$ 28,168	$ 28,286	$ 27,831	$ 28,014	$ 37,251	$ 37,722	$ 122,286	$ 121,852	$ 123,280
Merchandise costs, including advertising, warehousing, and transportation, excluding items shown separately below	22,507	21,798	22,007	21,955	21,753	21,976	28,983	29,419	95,294	95,103	95,811
Operating, general and administrative	4,985	5,097	4,811	5,155	4,661	4,711	6,314	6,257	21,208	20,786	21,510
Rent	209	201	200				274		884
Rent				204	200	204		276		884	911
Depreciation and amortization	655	624	591	581	570	574	779	741	2,649	2,465	2,436
Operating profit	537	254	559	391	647	549	901	1,029	2,251	2,614	2,612
Interest expense	(140)	(137)	(130)	(142)	(142)	(144)	(197)	(192)	(603)	(620)	(601)
Non-service component of company-sponsored pension plan costs	2	(1)	(4)	(7)	(6)	(4)	3	(10)		(26)	(527)
Mark to market gain on Ocado securities	(9)	106	(45)	75	(100)	216	106	36	157	228
Gain on sale of businesses						11	176	1,771	176	1,782
Net earnings before income tax (benefit) expense	390	222	380	317	399	628	989	2,634	1,981	3,978	1,484
Income tax (benefit) expense	71	79	93	66	91	127	226	616	469	900	(405)
Net earnings including noncontrolling interests	319	143	287	251	308	501	763	2,018	1,512	3,078	1,889
Net loss attributable to noncontrolling interests	(8)	(120)	(10)	(8)	(9)	(7)	(9)	(8)	(147)	(32)	(18)
Net earnings attributable to The Kroger Co.	$ 327	$ 263	$ 297	$ 259	$ 317	$ 508	$ 772	$ 2,026	$ 1,659	$ 3,110	$ 1,907
Net earnings attributable to The Kroger Co. per basic common share	$ 0.40	$ 0.32	$ 0.37	$ 0.32	$ 0.39	$ 0.63	$ 0.96	$ 2.39	$ 2.05	$ 3.80	$ 2.11
Average number of common shares used in basic calculation	797	802	800	798	797	797	798	839	799	810	895
Net earnings attributable to The Kroger Co. per diluted common share	$ 0.40	$ 0.32	$ 0.37	$ 0.32	$ 0.39	$ 0.62	$ 0.95	$ 2.37	$ 2.04	$ 3.76	$ 2.09
Average number of common shares used in diluted calculation	804	807	805	806	807	805	805	846	805	818	904
Dividends declared per common share	$ 0.16	$ 0.16	$ 0.16	$ 0.140	$ 0.140	$ 0.140	$ 0.14	$ 0.125	$ 0.62	$ 0.545	$ 0.495

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line, excluding rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

No definition available.