QUARTERLY DATA (UNAUDITED) - NARRATIVE - (Details) - USD ($) $ in Millions	3 Months Ended			4 Months Ended	12 Months Ended
	Feb. 03, 2018	Nov. 04, 2017	Aug. 13, 2016	May 20, 2017	Feb. 03, 2018	Jan. 28, 2017
Quarterly Data
VRO charge, before-tax				$ 184
VRO charge, net of tax				117
Goodwill impairment charge					$ 110
Reduction to depreciation and amortization expenses net of tax, related to held for sale assets	$ 19
Reduction to depreciation and amortization expenses net of tax, related to held for sale assets, net of tax	13
Remeasurement of deferred taxes net benefit	922				922
Net earnings, due to a 53rd week in fiscal year 2017	119
Net earnings net of tax, due to a 53rd week in fiscal year 2017	79
Multi-employer pension funds
Quarterly Data
Charge (before-tax) related to pension plan agreements	351		$ 111	199	550	$ 111
Charge (after-tax) related to pension plan agreements	234			$ 126	$ 360	$ 71
Kroger Specialty Pharmacy
Quarterly Data
Goodwill impairment charge	110
Goodwill, Impairment Loss, Net of Tax	74
Pension Benefits | Qualified Plan
Quarterly Data
Settlement expense, before tax	502	$ 502
Settlement expense, after tax	$ 335	$ 335