LEASES AND LEASE-FINANCED TRANSACTIONS - CASH FLOW INFORMATION (Details) $ in Millions	6 Months Ended
Aug. 17, 2019 USD ($) property
LEASES AND LEASE-FINANCED TRANSACTIONS
Operating cash flows from operating leases	$ 476
Operating cash flows from finance leases	25
Financing cash flows from finance leases	21
Leased assets obtained in exchange for new operating lease liabilities	473
Leased assets obtained in exchange for new finance lease liabilities	101
Net gain recognized from sale and leaseback transactions	$ 51
Number of properties \| property	8
Total proceeds	$ 102

Represents the number of properties in sale leaseback transaction.

No definition available.

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- Definition

Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback.

+ References

No definition available.

+ Details

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

- Definition

Amount of interest paid on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

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+ Details

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Balance Type:	credit
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- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

+ References

+ Details

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- Definition

Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

+ References

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