XML 50 R40.htm IDEA: XBRL DOCUMENT
v3.23.4

Restructuring, Impairment, and Other Exit Costs (Restructuring And Impairment Charges) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 26, 2023 | Nov. 27, 2022 | Nov. 26, 2023 | Nov. 27, 2022
Restructuring and Related Cost [Line Items] |  |  |  |
Goodwill impairment | $ 117.1 | $ 0.0 | $ 117.1 | $ 0.0
Restructuring charges (recoveries) | 131.9 | 11.6 | 141.7 | 13.9
Commercial Strategy Action [Member] |  |  |  |
Restructuring and Related Cost [Line Items] |  |  |  |
Restructuring charges (recoveries) | 5.1 | 0.0 | 5.1 | 0.0
Charges associated with restructuring actions previously announced [Member] |  |  |  |
Restructuring and Related Cost [Line Items] |  |  |  |
Restructuring charges (recoveries) | $ 9.7 | $ 11.6 | $ 19.5 | $ 13.9

X
- Definition Amount of restructuring charges (reduction) and asset impairment loss, including restructuring charges associated with cost of goods sold. + References No definition available. + Details
Name: | gis_RestructuringChargesReversalIncludingRestructuringChargesAssociatedWithCostOfGoodsSold
Namespace Prefix: | gis_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482548/350-20-55-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482598/350-20-45-2 + Details
Name: | us-gaap_GoodwillImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_RestructuringPlanAxis=gis_CommercialStrategyActionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=gis_ActionsPreviouslyAnnouncedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |