Document and Entity Information |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Document Information [Line Items] | |
| Document Type | 11-K |
| Entity Registrant Name | The Kroger Co. |
| Entity Central Index Key | 0000056873 |
| Amendment Flag | false |
| Harris Teeter Supermarkets, Inc. Retirement and Savings Plan | |
| Document Information [Line Items] | |
| Document Type | 11-K |
| Entity Tax Identification Number | 56-0905940 |
| Amendment Flag | false |