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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 05, 2022 USD ($) | Jan. 28, 2023 case
COMMITMENTS AND CONTINGENCIES |  |
Number of cases consolidated as Multi-District Litigation | case |  | 2,000
Litigation settlement expense | $ | $ 85 |

X
- Definition Number of cases consolidated as Multi-District litigation ("MDL"). + References No definition available. + Details
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Namespace Prefix: | kr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration