{"cik":56873,"taxonomy":"us-gaap","tag":"StockholdersEquityNoteStockSplitConversionRatio1","label":"Stockholders' Equity Note, Stock Split, Conversion Ratio","description":"Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.","entityName":"Kroger Co.","units":{"pure":[{"end":"2015-06-25","val":2,"accn":"0001558370-18-003055","fy":2017,"fp":"FY","form":"10-K/A","filed":"2018-04-18","frame":"CY2015Q2I"},{"end":"2015-06-25","val":2,"accn":"0001558370-18-002753","fy":2017,"fp":"FY","form":"10-K","filed":"2018-04-03"},{"end":"2015-06-25","val":2,"accn":"0001558370-17-002198","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-28"},{"end":"2015-06-25","val":2,"accn":"0001104659-16-129759","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-06-28"},{"end":"2015-06-25","val":2,"accn":"0001104659-16-108277","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29"},{"end":"2015-06-25","val":2,"accn":"0001104659-15-085378","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-12-17"},{"end":"2015-06-25","val":2,"accn":"0001104659-15-066444","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-09-22"}]}}