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Rule 10b51 Arr Adopted Flag Rule 10b51 Arr Trmntd Flag Non Rule 10b51 Arr Adopted Flag Non Rule 10b51 Arr Trmntd Flag Insider Trading Policies Proc [Line Items] Insider Trd Policies Proc Adopted Flag Cybersecurity Risk Management Strategy And Governance [Abstract] Cybersecurity Risk Management Strategy And Governance [Line Items] Cybersecurity Risk Management Processes For Assessing Identifying And Managing Threats [Text Block] Cybersecurity Risk Management Processes Integrated Flag Cybersecurity Risk Management Processes Integrated [Text Block] Cybersecurity Risk Management Third Party Engaged Flag Cybersecurity Risk Third Party Oversight And Identification Processes Flag Cybersecurity Risk Materially Affected Or Reasonably Likely To Materially Affect Registrant Flag Cybersecurity Risk Materially Affected Or Reasonably Likely To Materially Affect Registrant [Text Block] Cybersecurity Risk Board Of Directors Oversight [Text Block] Cybersecurity Risk Board Committee Or Subcommittee Responsible For Oversight [Text Block] Cybersecurity Risk Process For Informing Board Committee Or Subcommittee Responsible For Oversight [Text Block] Cybersecurity Risk Role Of Management [Text Block] Cybersecurity Risk Management Positions Or Committees Responsible Flag Cybersecurity Risk Management Positions Or Committees Responsible [Text Block] Cybersecurity Risk Management Expertise Of Management Responsible [Text Block] Cybersecurity Risk Process For Informing Management Or Committees Responsible [Text Block] Cybersecurity Risk Management Positions Or Committees Responsible Report To Board Flag Name of Major Customer [Domain] Equity Method Investee Name [Domain] Schedule II - Valuation of Qualifying Accounts Valuation And Qualifying Accounts Disclosure [Line Items] Valuation And Qualifying Accounts Disclosure [Table] Scenario, Unspecified [Domain] Scenario, Forecast [Member] Forecast [Member] Statement, Scenario [Axis] Schedule Of Equity Method Investment Equity Method Investee Name [Axis] Segment Geographical [Domain] Statement Geographical [Axis] Major Customers [Axis] Schedule II - Valuation of Qualifying Accounts [Abstract] Stock Repurchase Program Number Of Shares Authorized To Be Repurchased Number of shares of common stock authorized for repurchase Range [Axis] Range [Domain] Maximum [Member] Minimum [Member] Consolidation Items [Axis] Consolidation Items Domain Consolidated Entities [Axis] Consolidated Entities [Domain] Ownership [Axis] Ownership [Domain] Products and Services [Domain] Product or Service [Axis] Cumulative Effect Period Of Adoption [Axis] Cumulative Effect Period Of Adoption Cumulative Effect Period Of Adoption [Member] BR Brazil United States [Member] Net assets of money purchase plan The net assets of money purchase plan for certain domestic hourly employees. Cereal Partners Worldwide [Member] Cereal Partners Worldwide Equity Method Investee Cereal Partners Worldwide [Member] Haagen Dazs Japan [Member] HaagenDazsJapan Equity Method Investee Hagen Dazs Japan [Member] Investments in affiliates, net The net cash inflow (outflow) associated with the payments received (advances to) an entity in which the reporting entity shares control of the entity with another party or group. Repayments From (Advances to) Joint Ventures, Net Net advances (repayments) Earnings before income taxes This item represents the disclosure of summarized financial information for unconsolidated subsidiaries and 50 percent-or-less owned entities accounted for using the equity method of accounting. If investments in common stock of corporate joint ventures or other investments accounted for under the equity method are, in the aggregate, material in relation to the financial position or results of operations of an investor, it may be necessary to present summarized information as to assets of the investee, or group of investments for which combined disclosure is appropriate, either by individual financial statement caption or in groups, as appropriate. Such summarized financial information may, at a minimum, include income from continuing operations before income taxes. Equity Method Investments Summarized Financial Information Income Loss From Continuing Operations Before Income Taxes The amount of loss (gain) from commodity positions that was reclassified from unallocated corporate items to segment operating profit. Net Loss (Gain) on Commodity Positions Reclassified from Unallocated Corporate Items to Segment Operating Profit Net loss (gain) on commodity positions reclassified from unallocated corporate items to segment operating profit Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items Changes in the values of commodity derivatives that is recorded in unallocated corporate items. Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items Net Mark to Market Valuation of Certain Commodity Positions Recognized In Unallocated Corporate Items Derivative Contacts Inputs, Average Period of Utilization Average period over which the commodity inputs related to derivative contract will be utilized. Deferred Net Foreign Currency Transaction Gains (Losses) After Tax Accumulated Other Comprehensive Income Accumulated gain (loss) on foreign currency forward exchange contracts. Includes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. Includes the gain or loss on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain or loss under FAS 52 and that have been designated and have qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation. Deferred Net Foreign Currency Transaction Gains (Losses) After tax Accumulated Other Comprehensive Income Deferred Net Foreign Currency Transaction Gains (Losses) After Tax Accumulated Other Comprehensive Income Securities Held as Collateral at Fair Value Derivative Arrangements The fair value as of the balance sheet date of securities held that are pledged by counterparties under derivative arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities. Debt Securities Maturities [Domain] Maturity groupings of debt securities Available-for-Sale Securities Debt Maturities Within One Year [Member] This item represents debt securities which are expected to mature within one year of the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Under 1 year (current) [Member] Noncontrolling interest holders capital account, General Mills Cereals, LLC The most recent mark-to-market valuation amount of the equity interests owned by noncontrolling preferred unit holders in an entity included in the reporting entity's consolidated financial statements. Noncontrolling Interest, Fair Value Amount Share-based Compensation Arrangement by Share-based Payment Award Percent of Market Price, Minimum Minimum percentage of the market value of the award that the stock options are priced at on the date of grant. Minimum option pricing percentage of market price Equity Classified [Member] Restricted stock unit that are equity classified and share settled. Restricted Stock Unit Equity Classified [Member] Liability Classified Share Settled [Member] Restricted stock unit that are liability classified and share settled. Restricted Stock Unit Liability Classified Share Settled [Member] Accrued compensation and benefits, including obligations for underfunded other postretirement benefit and postemployment benefit plans This represents the noncurrent liability for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer) and for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans, postemployment, and other postretirement defined benefit plans. Deferred Compensation And Pension Postemployment And Other Postretirement Defined Benefit Plans Liability Classified Noncurrent Market Price of Common Stock, High The highest market price of one share of common stock during the period. Market Price of Common Stock, Low The lowest market price of one share of common stock during the period. Other Exit Costs [Member] Charges, other than those for employee severence and and contract termination, resulting from the consolidation and relocation of operations, or the disposition or abandonment of operations or productive assets. Defined Benefit Plans Disclosures, Health Care Cost Trend Rates [Axis] Distinguishes between groups of retirees with which a health care cost trend rate is associated. Health Care Cost Trend Rate Categories [Domain] Groups of retirees with which different health care cost trend rates are associated. Under Age 65 [Member] Health care cost trend rate for retirees under age 65 [Member] Real asset investments [Member] Publicly traded common stock and limited partnerships in energy and real estate sectors for purposes of total return. 5.4% notes due June 15, 2040 [Member] 5.4% notes payable to banks with long term maturities due June 15, 2040. Five Four Percent Notes Due June 2040 [Member] Grain Derivative Asset Not Designated As Hedging Instrument Fair Value Current Fair value of a current grain derivative asset that is not designated or qualifying as a hedging instrument, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Grain contracts Grain Derivative Liability Not Designated As Hedging Instrument Fair Value Current Fair value of a current grain derivative liability that is not designated or qualifying as a hedging instrument, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Grain contracts Yoplait SAS [Member] Yoplait SAS, a consolidated entity. Joint Ventures [Member] Represents entities in which the reporting entity shares joint control with another party or group. Other Comprehensive Income Loss Net Of Tax Period Increase Decrease Including Portion Attributable To Noncontrolling And Redeemable Interests Other comprehensive income (loss), net of tax This element represents Other Comprehensive Income (Loss), Net of Tax, for the period, including portion attributable to redeemable interest. Includes deferred gains (losses) on qualifying hedges, unrealized holding gains (losses) on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. Other comprehensive loss, net of tax Comprehensive Income Net Of Tax Attributable To Redeemable Interest The change in redeemable interests of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to redeemable interests, if any. Comprehensive Income Net Of Tax Attributable To Redeemable Interest Total comprehensive income (loss) attributable to redeemable interests Comprehensive Income Net Of Tax Including Portions Attributable To Noncontrolling And Redeemable Interest The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the economic entity, including both controlling (parent), noncontrolling interests, and redeemable interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. Total comprehensive income Total comprehensive income Noncontrolling And Redeemable Interest Period Additions Due To Acquisitions Addition of redeemable and noncontrolling interest Addition to balance of noncontrolling and redeemable interest in subsidiary during the reporting period due to acquisitions Schedule of Available-for-Sale Securities Debt Securities Maturities [Axis] This item represents the disclosure of available-for-sale securities with different contractual maturity dates over several maturity groupings. Such securities are classified neither as held-to-maturity nor trading. Schedule of Net Mark-to-Market Valuation of Certain Commodity Positions Recognized in Unallocated Corporate Items [Table Text Block] Schedule of Unallocated Corporate items Schedule of activity related to the net mark-to-market valuation of certain commodity positions including certain grain inventories recognized in unallocated corporate items. Redeemable Interest Percent Ownership The percent ownership as of the reporting date of noncontrolling interests which the parent entity is required to redeem (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. Redeemable interest percentage Fair Value Changes Pretax [Abstract] Other fair value changes: Reclassification To Earnings Pretax [Abstract] Reclassification to earnings: Fair Value Changes Tax [Abstract] Other fair value changes: Reclassification To Earnings Tax [Abstract] Reclassification to earnings: Other Comprehensive Income Net [Abstract] Other comprehensive (loss) income, net of tax: Fair Value Changes Net [Abstract] Other fair value changes: Reclassification To Earnings Net [Abstract] Reclassification to earnings: Pension Other Postretirement And Postemployment Benefits [Abstract] Pension, other postretirement, and postemployment benefits: Preferred Distributions Basis Spread On Variable Rate The percentage points added to the floating preferred return rate to compute the variable rate on preferred distributions. Preferred distributions, basis spread on variable rate Variable Interest Entities, Number Invested In The number of variable interest entities in which the organization is invested in. Number of variable interest entities Variable Interest Entities, Number Invested In, Primary Beneficiary The number of variable interest entities in which the organization is invested in and is the primary beneficiary. Number of variable interest entities in which the company is also primary beneficiary Number of Other Minority Interests Number of equity interests owned by noncontrolling shareholders, partners, or other equity holders in one or more of the entities consolidated into the reporting entity's financial statements other than joint ventures, limited partnerships, operating partnerships or interests held by preferred unit holders. Number of other noncontrolling interests Retirement Plan Provision Termination Period The period of time after a change in control of the company within which the excess pension assets would be allocated to active retirement plan participants. Equity Method Investment Activity At One Hundred Percent This element discloses the basis of presentation of summarized financial information of joint ventures accounted for under the equity method of investment shown at 100 percent. Preferred Distributions Description of Variable Rate The reference rate for the variable rate of the preferred distributions, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. Preferred distributions, variable rate Preferred Return Rate Adjustment Period The time period between scheduled adjustments of the preferred return rate. Preferred return rate adjustment period Comprehensive Income, Net of Tax Portions Attributable to Noncontrolling and Redeemable Interest The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to noncontrolling and redeemable interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. Comprehensive income attributable to redeemable and noncontrolling interests Debt Instrument Covenant, Minimum Fixed Charge Coverage Ratio Represents the minimum fixed charge coverage ratio required to be maintained under certain credit facilities. Minimum fixed charge coverage ratio Four One Five Percent Notes Due February 2043 [Member] 4.15% notes due February 2043. 4.15% notes due February 15, 2043 [Member] Distributions to Noncontrolling and Redeemable Interest Holders Payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling and redeemable interest holders. Distributions to redeemable and noncontrolling interest holders Distributions to noncontrolling and redeemable interest holders Dividends paid under the terms of shareholder agreements Snacks [Member] Represents information pertaining to the snacks product category. Yogurt [Member] Represents information pertaining to the yogurt product category. Cereal [Member] Represents information pertaining to the cereal product category. Convenient meals [Member] Represents information pertaining to the convenient meals product category. Baking mixes and ingredients [Member] Represents information pertaining to the baking mixes and ingredients product category. Dough [Member] Represents information pertaining to the dough product category. Vegetables and Other [Member] Represents information pertaining to the vegetables product category including product categories classified as other. Other [Member] Super-premium ice cream [Member] Represents information pertaining to the super-premium ice cream product category. Minority Interest, Decrease from Distributions to Noncontrolling and Redeemable Interest Holders Decrease in noncontrolling and redeemable interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling and redeemable interest holders. Distributions to redeemable interest holder Effective Income Tax Rate, Deferred Tax Adjustment for Subsidiary Restructuring GMC subsidiary restructure The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to deferred tax adjustments associated with the restructuring of a subsidiary. Agricultural Related Derivative [Member] Derivative instrument whose primary underlying risk is tied to agricultural inputs. Treasury Stock Aggregate Value Acquired Shares purchased, value Equity impact of the cost of common stock that was repurchased during the period, excluding the adjustment to reflect the average price per share of the previous shares purchased under an Accelerated Share Repurchase arrangement. Schedule of PreTaxInterest Rate Cash Flow Hedges in AOCI [Table Text Block] Tabular disclosure of the effective portion of pre-tax gains and losses on derivative instruments designated and qualifying in interest rate cash flow hedges recorded in accumulated other comprehensive income (loss) during the term of the hedging relationship and will be reclassified into earnings over the term of the underlying debt. Schedule of Pre-tax Amounts of Cash-Settled Interest Rate Hedges in AOCI Schedule of Cash Flow Hedges Included in AOCI [Table Text Block] Tabular disclosure of the effective portion of after-tax gains and losses on derivative instruments designated and qualifying in cash flow hedges recorded in accumulated other comprehensive income (loss) during the term of the hedging relationship. Schedule of After-tax Amounts of Cash Flow Hedges in AOCI Walmart [Member] Walmart Five Largest Customers [Member] Represents the five largest customers. Uncommitted Credit Facility [Member] Uncommitted Credit Facilities [Member] An arrangement with a lender whereby the lender agrees to make funding available to the borrower, but is under no obligation to provide a specific amount of money, and under which borrowings outstanding are less than one year. Number of Open Tax Years for Certain U.S. Tax Jurisdictions Number of open tax years for certain U.S. tax jurisdictions Number of tax years that generally remain open to examination under various taxing authorities' tax laws. Schedule of at-Risk Brand Intangibles [Table Text Block] Schedule of At-Risk Brand Intangibles Tabular disclosure of information related to at-risk brand intangibles with fair values not substantially in excess of their carrying values. This may include the carrying values of the associated assets and the percentage of fair values exceeding the carrying amounts of an intangible assets. One Five Percent Notes Due April 2027 [Member] 1.5% notes payable to banks with long term maturities due April 27, 2027. Euro-denominated 1.5% notes due April 27, 2027 [Member] 1.5% notes due April 27, 2027 [Member] Yoplait Marques SNC and Liberte Marques Sarl [Member] Yoplait Marques SNC and Liberte Marques Sarl Other Project Related Costs Restruturing initiative project-related costs classified in cost of sales Other restructuring initiative project-related costs incurred during the reporting period that are not included in restructuring charges. Share-based Compensation Arrangement by Share-based Payment Award, Award Performance Period Performance period Period over which the company must achieve target performance goals in order for an employee to receive an equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No Expiration Date [Member] Represents no expiration date. Do not expire [Member] Expiration Dates in Year One and Two [Member] Represents expiration dates in years one and two. Expire in fiscal 2025 and 2026 [Member] Expiration Dates in Year Three and Beyond [Member] Represents expiration dates in year three and beyond. Expire in fiscal 2027 and beyond [Member] Amounts Recorded in Accumulated Other Comprehensive Loss [Abstract] Hedge Gain (Loss) to be Reclassified During Next Twelve Months, Net The estimated net amount of unrealized gains (losses) on hedges recorded in AOCI as of the balance sheet date expected to be reclassified to earnings within the next twelve months. Net Pre-tax Gains (Losses) in AOCI Expected to be Reclassified into Net Earnings within the Next 12 Months Net Pre-tax Gains (Losses) in AOCI Expected to be Reclassified into Net Earnings within the Next 12 Months Deferred Tax Assets, Unrealized Losses on Investments The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from unrealized losses on capital investments which can only be deducted for tax purposes when the losses are realized, and which can only be realized if sufficient tax-basis income of the appropriate character is generated in future periods to enable the deduction to be taken. Stock, partnership, and miscellaneous investments Deferred Tax Liabilities, Unrealized Gains on Investments Stock, partnership, and miscellaneous investments The tax effect as of the balance sheet date of the amount of the estimated future tax increases arising from unrealized gains on capital investments which will only be added for tax purposes when the gains are realized. Restructuring Actions Previously Announced, Project Century [Member] Represents restructuring actions previously announced in prior periods related to Project Century. Charges associated with restructuring actions previously announced [Member] Charges or net recoveries associated with restructuring actions previously announced [Member] Noncontrolling Interests, Covenant Compliancee Identification of whether the entity has been in compliance with any noncontrolling interest covenants during the period. Noncontrolling interests covenant compliance Yoplait Marques SNC [Member] Yoplait Marques SNC Liberte Marques Sarl [Member] Liberte Marques S.a.r.l. Third Party Interest Holder [Member] Represents third party interest holder. 2017 Stock Compensation Plan [Member] 2017 Stock Compensation Plan General Mills Savings Plan [Member] Represents the General Mills 401(k) savings plan that includes a number of investment funds, including a Company stock fund and an Employee Stock Ownership Plan, and covers domestic salaried, hourly, nonunion, and certain union employees. Redeemable Interest, Description of Terms Description of redeemable interest terms. Redeemable interest terms Allocated Share-based Compensation Expense, Including Restructuring and Noncash Items Compensation expense related to stock-based payments Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as emmployees, including any applicable restructuring items and non-cash items. Long-term Debt Agreements Containing Restrictive Covenants [Member] Represents long-term debt agreements that contain restrictive covenants. Asia and Latin America [Member] Regions of Asia and Latin America Three Two Percent Notes Due February 2027 [Member] 3.2% notes due February 10, 2027. 3.2% notes due February 10, 2027 [Member] Defined Benefit Plan, Change in Estimate, Effect on Interest and Service Cost Increase (decrease) in service and interest cost for current period resulting from change in estimate methodology Treasury Lock One [Member] Treasury lock one. Treasury Lock Due April 2, 2020 [Member] Treasury Lock Two [Member] Treasury lock two. Treasury Lock Due January 13, 2022 [Member] Defined Benefit Plan, Effect of Plan Amendment on Projected Benefit Obligation The amount of increase or decrease in the projected benefit obligation related to the effects of a change in the substantive terms of an existing defined benefit pension plan. Decline in projected benefit obligation as of fiscal year end Defined Benefit Plan, Assumptions Used, Net Periodic Benefit Cost, Service Cost Effective Rate Service cost effective discount rate from using the full yield curve method. Service cost effective rate Defined Benefit Plan, Assumptions Used, Net Periodic Benefit Cost, Interest Cost Effective Rate Interest cost effective discount rate from using the full yield curve method. Interest cost effective rate Reclassification to Retained Earnings Related to Adoption of Accounting Standards Update 2018-02 Reclassification from accumulated other comprehensive income to retained earnings for the income tax effects resulting from the U.S. Tax Cuts and Jobs Act of 2017 due to adoption of Accounting Standards Update 2018-02 Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. Reclassification of certain income tax effects Reclassification from AOCI to retained earnings, stranded income tax effects resulting from the Tax Cuts and Jobs Act of 2017 Schedule of Floating Rate Note Issuance Tabular disclosure of the floating rate notes issued during the reporting period. Schedule of Fixed Rate Note Issuance Tabular disclosure of the fixed rate notes issued during the reporting period. Excess Tax Benefit from Share-Based Compensation Reclassification from Financing Activities to Operating Activities Amount of cash inflow reclassified from financing activities to operating activities for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. Reclassification of recognized tax windfall benefits related to the exercise of stock-based awards from financing activities to operating activities Payments Related to Tax Withholding for Share-Based Compensation, Reclassification from Operating Activities to Financing Activities Amount of cash outflow reclassified from operating activities to financing activites to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. Reclassification of employee tax withholdings on stock-based awards from operating activities to financing activities Pet Segment [Member] Pet segment. Pet [Member] Four Two Percent Notes Due April 2028 [Member] 4.2% notes due April 17, 2028. 4.2% notes due April 17, 2028 [Member] 6-year fixed-rate note [Member] Four Five Five Percent Notes Due April 2038 [Member] 4.55% notes due April 17, 2038 [Member] 4.55% notes due April 17, 2038. Four Seven Percent Notes Due April 2048 [Member] 4.7% notes due April 17, 2048 [Member] 4.7% notes due April 17, 2048. Equity Method Investments, One Hundred Percent Basis, Summarized Financial Statement Information [Table Text Block] Tabular disclosure of summarized financial statement information for unconsolidated subsidiaries and 50 percent-or-less owned entities accounted for using the equity method of accounting shown on a 100 percent basis. Summarized Joint Venture Financial Statement Activity on 100% Basis Gross Proceeds from Issuance of Common Stock The total proceeds received from the issuance of common stock, excluding any payment of stock issuance costs. Total proceeds from issuance of stock Stock Issued During Period, Shares Shares issued, shares Number of shares of stock issued during the period. Stock Issued During Period, Value, Including Equity Issuance Costs Shares issued, value Equity impact of the value of stock issued during the period, including equity issuance costs. Investment in redeemable interest Cash inflow from redeemable interest investment. Schedule of Long-term Debt and Capital Leases Schedule of principal payments of long-term debt and capital leases in the next five years. La Saltena [Member] Yogurt Business [Member] Share Units [Abstract] Options Outstanding [Abstract] Weighted Average Remaining Contractual Term [Abstract] Aggregate Intrinsic Value [Abstract] State and Foreign Tax Authority [Member] Designated tax departments of governments entitled to levy and collect income taxes from the entity in its country of domicile and outside the entity's country of domicile. State and foreign loss carryforwards [Member] Business Acquisition [Member] Represents the business acquistion completed during the period. Pillsbury acquisition losses [Member] Effective Income Tax Rate Reconciliation Capital Loss Percentage of the difference between reported income tax benefit and expected income tax benefit associated with capital loss. Capital Loss Yoplait SAS, Yoplait Marques SNC, and Liberte Marques Sarl [Member] Yoplait SAS, Yoplait Marques SNC, and Liberte Marques Sarl. Supplemental Lease Balance Sheet Disclosure The tabular disclosure of lease balance sheet. Lessee Operating Lease Weighted Averages Tabular disclosure of showing weighted average remaining lease term and weighted average discount rate. Supplemental Cash Flow Information Related to Leases Tabular disclosure of supplemental cash flow information related to operating leases. Lessee Operating Lease Signed Not Yet Commenced Amount Minimum lease payments for operating leases committed to but not yet commenced. Operating leases committed to but not yet commenced North America Retail Segment [Member] Represents North America retail segment. North America Retail [Member] Actions Previously Announced [Member] Charges associated with restructuring actions previously announced [Member] Restructuring actions previously announced in prior periods. Increase Of Restructuring Charges Increase in estimated restructuring charges Increase in the estimated amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Reversal Of Restructuring Charges Reduction in the amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Reduction in estimated restructuring charges Redeemable Interest [Member] Redeemable Interest This element represents that portion of noncontrolling interests which the parent is required to redeem and which cannot be classified as equity interests. Sodiaal International Redeemable Interest [Member] Over Age 65 [Member] Health care cost trend rate for retirees over age 65. Hedged Debt Designated as Hedged Item [Member] The hedged debt designated as the hedged item in a fair value hedge. Product recall expense (recovery) Reflects the amount charged or (recovered) against earnings comprised of the costs to announce and effect a product recall. Two Point Eight Seven Five Fixed Rate Notes [Member] The 2.875% Fixed Rate Notes Due April 15, 2030. 2.875% Fixed Rate Notes Due April 15, 2030 [Member] Euro Denominated Bonds Used For Hedging [Member] The euro denominated bonds used to hedge a portion of net investments. No Customer Other Than Walmart [Member] Maximum amount of concentration of our customers. Schedule Of Restructuring Charges, Classification on Income Statement [Table Text Block] Tabular disclosure of the financial statement presentation of the restructuring charges on the income statement. Schedule of Restructuring, Transformation, and Impairment Charges and Restructuring Initiative Project-Related Costs Expected Total Payments for Restructuring The amount of cash potion of expected restructuring charges. Expected cash payments for restructuring Expected payments for restructuring Grain contracts [Member] Derivative instrument whose primary underlying risk is tied to grain prices. Modification of Debt Principle amount of notes exchanged for new notes and accounted for as a debt modification. Debt exchange participation incentive cash payment The amount of cash outflow related to a debt exchange participation incentive. Debt exchange participation incentive cash payment Certain Long Term Debt Agreements Containing Restrictive Covenants [Member] Represents certain long-term debt agreements that contain restrictive covenants. Line Of Credit Expiring April 2026 [Member] Reflects when the credit facility is scheduled to expire in April 2026. Laticinios Carolina [Member] The Laticinios Carolina business in Brazil. Tyson Foods' pet treats business [Member] The Tyson Foods' pet treats business. Global organizational structure and resource alignment [Member] The restructuring actions designed to better align our organizational structure and resources with strategic initiatives. Mature in Fiscal Year one [Member] The maturity term in fiscal year one. Mature in fiscal 2024 [Member] 1.000% Notes due 2023 [Member] 1.000% Notes due 2023. 0.450% Notes due 2026 [Member] 0.450% Notes due 2026. 1.500% Notes due 2027 [Member] 1.500% Notes due 2027. Gan (loss) on indirect taxes Gain on indirect Taxes The amount of operating gain (loss) related to indirect taxes. General Mills Cereals LLC [Member] General Mills Cereals LLC Yoplait SAS Subsidiary [Member] Subsidiary of Yoplait SAS. Mature in Fiscal Year two [Member] The maturity term in fiscal year two. Mature in fiscal 2025 [Member] Business Acquisition and Divestiture, Transaction Costs Amount of direct costs associated with the proposed business acquisition and the proposed business divestiture including legal, accounting, and other costs incurred. Reversal of Cumulative Redeemable Interest Value Adjustments The reversal of cumulative adjustments made to the redeemable interest related to the fair value put feature. Noncontrolling Interest Acquired APIC Adjustment Acquisition of noncontrolling interest APIC adjustment related to the parent acquiring the noncontrolling interest. Reclassification from Redeemable Interest Reclassification of redeemable interest to noncontrolling interest due to put feature elimination from divestiture. Reclassification to noncontrolling interest Reclassification of redeemable interest to noncontrolling interest due to put feature elimination due to divestiture. Reclassification to noncontrolling interest Nudges Top Chews And True Chews Brands [Member] Nudges Top Chews And True Chews Brands European dough businesses [Member] European dough businesses Helper main meals and Suddenly Salad side dishes businesses [Member] Helper main meals and Suddenly Salad side dishes businesses Project-related costs [Member] Project-related costs Restructuring charges and project-related costs [Member] Restructuring charges and project-related costs International [Member] International Segment. North America Foodservice Segment [Member] Convenience Stores and Foodservice Segment North America Foodservice [Member] Intellectual Property Indefinite Lived Intangible Asset [Member] Intellectual property [Member] Intellectual Property Indefinite Lived Intangible Asset Floating-rate notes due July 27, 2023 [Member] Floating-rate notes due July 27, 2023 Notes due October 14, 2031 [Member] 2.25% notes due October 14, 2031 [Member] Notes due October 14, 2031 Goodwill Reclassifed To Assets Held For Sale Reclassified to assets held for sale The amount of goodwill reclassified as held for sale. Reclassified to assets held for sale Tax effects of temporary differences that give rise to deferred tax assets and liabilities [Abstract] Deferred Tax Assets Liabilities Net [Abstract] Zero point one two five percent Notes due 2025 [Member] 0.125% Notes due 2025 [Member] 0.125% Notes due 2025 Schedule of Valuation and Qualifying Accounts Disclosure [Table Text Block] Schedule of Valuation and Qualifying Accounts Tabular Disclosure. Schedule of Valuation and Qualifying Accounts Disclosure Useful lives of assets [Line Items] International route-to-market and supply chain optimization [Member] International route-to-market and supply chain optimization Effective Income Tax Rate Reconciliation, Nondeductible Gain, Divestitures, Percent Divestitures, net Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to divestitures. Tnt Crust [Member] TNT Crust [Member] TNT Crust Network Optimization Actions [Member] Network optimization actions [Member] Optimization of Haagen-Dazs shops network [Member] Asset impairment [Member] Asset impairment Other asset write-offs [Member] Other asset write-offs Forward-starting swap agreements [Member] Forward-starting swap agreements Four Point Nine Five Percent Notes Due March 2033 [Member] Four Point Nine Five Percent Notes Due March 2033. 4.95% notes due March 29, 2033 [Member] Restricted stock units and performance [Member] Restricted stock units and performance 4.95% notes due March 29, 2033 [Member] 4.95% notes due March 29, 2033. 4.95% notes due March 29, 2033 [Member] 10-year fixed-rate note [Member] Euro-denominated 3.907% notes due April 13, 2029 [Member] Euro-denominated 3.907% notes due April 13, 2029. Euro-denominated 3.907% notes due April 13, 2029 [Member] 3.907% Notes due 2029 [Member] Floating-rate notes due October 17, 2023 [Member] Floating-rate notes due October 17, 2023 [Member] Stock Compensation Plan (2022 Plan) [Member] Stock Compensation Plan (2022 Plan) 3.907% notes due April 13, 2029 [Member] 3.907% notes due April 13, 2029 Global supply chain actions [Member] Global supply chain actions Global supply chain actions [Member] International manufacturing and logistics operations [Member] International manufacturing and logistics operations Treasury Stock Value Excise Tax Excise tax associated with net share repurchases Shares purchased, excise tax Three Point Six Five Zero Percent Notes Due 2030 [Member] 3.650% Notes due 2030 3.65% Fixed-rate notes due October 23, 2030 [Member] Three Point Eight Five Zero Percent Notes Due 2034 [Member] 3.850% Notes due 2034 3.85% Fixed-rate notes due April 23, 2034 [Member] Accelerated Depreciation [Member] Edgard & Cooper [Member] Go-To-Market Commercial Strategy and Related Organizational Actions [Member] Go-to-market commercial strategy and related organizational actions [Member] Commercial Strategy Actions [Member] Commercial strategy actions [Member] Commercial strategy actions Corporate and Joint Ventures [Member] Goodwill And Intangible Assets [Line Items] Four Point Seven Fixed Rate Notes [Member] 4.7% Fixed-rate notes due January 30, 2027 [Member] Three Point Six Five Fixed Rate Note [Member] 3.65% Fixed-rate notes due February 15, 2024 [Member] Floating Rate Notes Due November 8 2024 [Member] Floating-rate notes due November 8, 2024 [Member] Floating Rate Notes Due November 10 2023 [Member] Floating-rate notes due November 10, 2023 [Member] Fixed Rate Notes Due October 17 2028 [Member] 5.5% Fixed-rate notes due October 17, 2028 [Member] Cliff Vesting [Member] Legal Costs Recovery Legal recovery European Pet Business [Member] European pet business Acquisition Amount Heldback and Expected to be Paid Acquisition amount held back and expected to be paid Acquisition Amount Heldback and Expected to be Paid. Total Restructuring Charges [Member] Total restructuring charges [Member] Debt And Equity Securitites Unrealized Loss Total, Gross Unrealized Losses Amount of unrealized loss on investment in debt and equity securities. Three Point Six Zero Zero Percent Notes Due 2032 [Member] 3.600% Notes due 2032 [Member] North American Yogurt Businesses [Member] Whitebridge Pet Brands North American Premium Cat Feeding And Pet Treating Business [Member] Canada Yogurt Business [Member] Global Transformation Initiative [Member] Global transformation initiative [Member] Severance and Other Benefit Costs [Member] Severance and other benefit costs [Member] Asset write-offs [Member] North America Pet Segment [Member] North America pet segment. North America Pet [Member] Disposal Group, Including Discontinued Operation, Transaction Cost Disposal Group, Including Discontinued Operation, Transaction Cost Disposal Group, Including Discontinued Operation, transaction cost Reclassified To Assets Held For Sale, Intangible Assets Excluding Goodwill The amount of intangible assets reclassified as held for sale. Reclassified to assets held for sale Reclassified to assets held for sale United States Meals And Baking Operating Unit [Member] U.S. Meals & Baking Solutions[Member] United States Cereal Operating Unit [Member] U.S. Morning Foods [Member] United States Snacks Operating Unit [Member] U.S. Snacks [Member] Canada Operating Unit [Member] Canada [Member] Derivative, Notional Amount, Maturity, Next Twelve Months Amount of derivative, notional amount, contracts maturing in next fiscal year following current fiscal year. Fiscal 2026 Derivative, Notional Amount, Maturity, Year Two Amount of derivative, notional amount, contracts maturing in second fiscal year following current fiscal year. Fiscal 2027 Derivative, Notional Amount, Maturity, Year Three Amount of derivative, notional amount, contracts maturing in third fiscal year following current fiscal year. Fiscal 2028 Derivative, Notional Amount, Maturity, Year Five Amount of derivative, notional amount, contracts maturing in fifth fiscal year following current fiscal year. Fiscal 2030 Derivative, Notional Amount, Maturity, Year Seven Amount of derivative, notional amount, contracts maturing in seventh fiscal year following current fiscal year. Fiscal 2032 Fixed-rate notes due January 30, 2030 [Member] 4.875% Fixed-rate notes due January 30, 2030 [Member] Fixed-rate notes due January 30, 2035 [Member] 5.25% Fixed-rate notes due January 30, 2035 [Member] Fixed-rate notes due April 17, 2032 [Member] 3.6% Fixed-rate notes due April 17, 2032 [Member] Fixed-rate notes due November 18, 2025 [Member] 5.241% Fixed-rate notes due November 18, 2025 [Member] Five Point Two Five Percent Notes due January 2035 [Member] 5.25% notes due January 30, 2035 [Member] Line Of Credit Expiring October 2029 [Member] Floating-rate notes due April 22, 2026 [Member] Floating-rate notes due October 22, 2026 [Member] Euro denominated bonds [Member] U.S. dollar denominated bonds [Member] Fixed-rate notes due April 17, 2025 [Member] 4.0% Fixed-rate notes due April 17, 2025 [Member] Notes due 2025 [Member] Notes due 2026 [Member] Notes due 2027 [Member] Notes due 2028 [Member] Notes due 2029 [Member] Notes due 2030 [Member] Notes due 2031-2051 [Member] Operating Lease, Right-Of-Use Asset, Classified As Held-For-Sale Operating lease, right-of-use assets classified as held for sale Operating lease, right-of-use assets classified as held for sale Operating Lease, Liability, Classified As Held-For-Sale Operating lease, liability, classified as held for sale Operating lease, liability, classified as held for sale Net Earnings For Earnings Per Share Calculation Net Earnings For Earnings Per Share Calculation Net earnings for earnings per share calculation Floating-rate notes due November 8, 2024 - Repayment 1 [Member] Floating-rate notes due November 8, 2024 - Repayment 2 [Member] Schedule of Outstanding Bonds [Table Text Block] Tabular disclosure of the currency of outstanding bonds. Schedule of Outstanding Bonds Original Capital Account Balance [Member] Capital Account Appreciation [Member] Fiscal 2026 [Member] Fiscal 2027 [Member] Fiscal 2030 [Member] Fiscal 2032 [Member] Restructuring Transformation Charges Recoveries Including Restructuring Charges Associated With Cost Of Goods Sold Amount of restructuring and transformation charges (reduction), including restructuring charges associated with cost of goods sold. Restructuring, transformation, and impairment charges Restructuring charges (recoveries), and other exit costs Restructuring and transformation charges Capital Appreciation Paid To Holders Of Class A Limited Membership Interest Capital appreciation paid to holders of Class A limited membership interest. Capital appreciation paid to holders of Class A limited membership interests in General Mills Cereals, LLC Uncommitted Credit Facilities and Lines of Credit [Member] United States Yogurt Business [Member]