XML 95 R80.htm IDEA: XBRL DOCUMENT
v3.24.1

COMPANY-SPONSORED BENEFIT PLANS - ASSUMPTIONS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Feb. 03, 2024 | Dec. 31, 2023 | Jan. 28, 2023 | Jan. 29, 2022
Pension Benefits |  |  |  |
Weighted average assumptions used to determine pension benefits and other benefits |  |  |  |
Discount rate - Benefit obligation (as a percent) | 5.27% |  | 4.90% | 3.17%
Discount rate - Net periodic benefit cost (as a percent) | 4.90% |  | 3.17% | 2.72%
Expected long-term rate of return on plan assets (as a percent) | 5.50% |  | 5.50% | 5.50%
Rate of compensation increase - Net periodic benefit cost (as a percent) | 2.57% |  | 3.05% | 3.03%
Rate of compensation increase - Benefit obligation (as a percent) | 2.52% |  | 2.57% | 3.05%
Cash Balance plan interest crediting rate | 3.30% |  | 3.30% | 3.30%
Increase in discount rate used to determine pension benefit obligation, as compared to prior year (in basis points) | 100 |  |  |
Decrease in pension benefit obligation due to change in discount rate | $ 210 |  |  |
Percentage increase (decrease) in value of all investments in Qualified Plans, net of investment management fees and expenses | 2.80% | 8.20% |  |
Pension plan's average rate of return for the 10 calendar years ended December 31, net of all investment management fees and expenses (as a percent) |  | 4.80% |  |
Measurement period for the pension plan's average annual rate of return, rate in calendar years |  | 10 years |  |
Number of years in which the Company average annual return rate has been at the current rate | 20 years |  |  |
Average annual rate of return for the past 20 years (as a percent) | 7.10% |  |  |
Period of recognition of gains or losses on plan assets | 5 years |  |  |
Other Benefits |  |  |  |
Weighted average assumptions used to determine pension benefits and other benefits |  |  |  |
Discount rate - Benefit obligation (as a percent) | 5.21% |  | 4.86% | 3.01%
Discount rate - Net periodic benefit cost (as a percent) | 4.86% |  | 3.01% | 2.43%

X
- Definition This element represents the measurement period for the pension plan's average annual return rate. + References No definition available. + Details
Name: | kr_DefinedBenefitPlanAverageReturnRateMeasurementPeriod
Namespace Prefix: | kr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the number of years in which the entity's average annual return rate has been at the current rate. + References No definition available. + Details
Name: | kr_DefinedBenefitPlanAverageReturnRateYears
Namespace Prefix: | kr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the change in defined benefit plan's benefit obligation due to a hypothetical change in discount rate. + References No definition available. + Details
Name: | kr_DefinedBenefitPlanBenefitObligationDecreaseDueToDiscountRate
Namespace Prefix: | kr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the period of recognition of gains or losses on plan assets. + References No definition available. + Details
Name: | kr_DefinedBenefitPlanPeriodOfRecognitionOfGainsLossesOnPlanAssets
Namespace Prefix: | kr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the defined benefit plan average annual return rate for the past twenty years. + References No definition available. + Details
Name: | kr_PercentageOfDefinedBenefitPlanAverageAnnualReturnRateForPast20Years
Namespace Prefix: | kr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the defined benefit plan average return rate for ten calendar years ended December 31, net of investment management fees and expenses. + References No definition available. + Details
Name: | kr_PercentageOfDefinedBenefitPlanAverageReturnRateFor10CalendarYearsNet
Namespace Prefix: | kr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents a hypothetical increase in the discount rate (in basis points). + References No definition available. + Details
Name: | kr_PercentageOfDefinedBenefitPlanBenefitObligationDiscountRateIncrease
Namespace Prefix: | kr_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the defined benefit plan percentage increase (decrease) in investment value compared to prior year, net of investment management fees and expenses. + References No definition available. + Details
Name: | kr_PercentageOfDefinedBenefitPlanIncreaseDecreaseInInvestmentsValueNet
Namespace Prefix: | kr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted-average interest crediting rate used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationWeightedAverageInterestCreditingRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedInCalculationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |