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ACCOUNTING POLICIES - SELF-INSURANCE (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022
Changes in self-insurance liability
Balance at the beginning of the period	$ 712	$ 721	$ 731
Expense	330	227	226
Claim payments	(281)	(236)	(236)
Balance at the end of the period	761	712	721
Less: Current portion	(281)	(236)	(236)
Long-term portion	480	$ 476	$ 485
Minimum
Changes in self-insurance liability
Insurance coverage for some risks, including cyber exposure and property-related losses	25
Maximum
Changes in self-insurance liability
Insurance coverage for some risks, including cyber exposure and property-related losses	$ 30

X

- Definition

Insurance risk coverage, including cyber exposure and property-related losses.

+ References

No definition available.

+ Details

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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X

- Definition

Amount charged against earnings in the period for incurred and estimated costs associated with self-insured coverages.

+ References

No definition available.

+ Details

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Namespace Prefix:	kr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of cash paid in the period to fully or partially settle claims made against self-insurance coverages.

+ References

No definition available.

+ Details

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X

- Definition

Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

X

- Definition

Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid within one year (or the normal operating cycle, if longer).

+ References

No definition available.

+ Details

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X

- Definition

Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid after one year (or the normal operating cycle, if longer).

+ References

No definition available.

+ Details

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- Details

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