Legal Entity [Axis] Net assets available for benefits Beginning of year End of year Total additions Total deductions Net increase Investment Type [Axis] Total investment income EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] Fair Value Hierarchy and NAV [Axis] Risks and Uncertainties [Abstract] Document Type Document Period End Date Entity Registrant Name Entity Central Index Key Amendment Flag Assets: Plan’s interest in the Diageo North America, Inc. Master Trust, at fair value Notes receivable from participants Additions to net assets attributed to: Interest on notes receivable from participants Participant contributions Rollover contributions Plan’s interest in the Diageo North America, Inc. Master Trust investment gain Net appreciation in fair value of investments Deductions from net assets attributed to: Benefits paid to participants Administrative fees Fees incurred from related parties Net assets available for benefits: EBP 001 EBP 001 [Member] EBP001 [Member] Plan Description Summary of Significant Accounting Policies Investment in Master Trust Schedule of Fair Values of Investments and Other Assets and Liabilities of the Master Trust Investments at fair value: Master Trust Net Assets, at fair value Master Trust’s assets at fair value Interest and dividends Schedule of Master Trust’s Assets at Fair Value Risks and Uncertainties Related-Party and Party-In-Interest Transactions Plan Termination Tax Status Subsequent Events DIAGEO NORTH AMERICA, INC. SAVINGS PLAN Schedule of Assets Savings Plan Mutual funds [Member] Diageo common stock fund [Member] Money market funds [Member] Master Trust Balances [Member] Plan’s Interest in Master Trust Balances [Member] Level 1 [Member] Statistical Measurement [Axis] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Investment, Excluding Plan Interest in Master Trust, Cost EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Asset Held for Investment, Participant Loan, Interest Rate Percentage of participants gross earnings Number of money market funds offered by contribution plan Number of mutual funds offered by contribution plan Minimum borrowing amount Maximum borrowing amount Percentage of market value Loans payable over period Loans taken for primary term Maximum participant's account retirement benefits Participant account balance Beneficiary compensation percentage from participant account Unallocated forfeitures Investment earned dividends Realized losses on investment Unrealized losses on investment Purchases of depositary shares, value Sales of depositary shares, value Basis of Accounting Use of Estimates Notes Receivable from Participants Administrative Expenses Benefit Payments Investment, Identifier [Axis] Minimum [Member] Maximum [Member] Entity [Domain] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Plan Description [Table] Plan Description [Line Items] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [LIne Items] Investment in Master Trust [Table] Investment in Master Trust [Line Items] Risks and Uncertainties [Table] Risks and Uncertainties [Line Items] Related-Party and Party-In-Interest Transactions [Table] Related-Party and Party-In-Interest Transaction [Line Items] Plan Termination [Table] Plan Termination [Line Items] Tax Status [Table] Tax Status [Line Items] Subsequent Events [Table] Subsequent Events [Line Items] Diageo North America, inc. Savings Plan [Line Items] [Table] Diageo north america, inc. Savings plan [Line Items] EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] Investment in Master Trust (Tables) [Table] EBP, Master Trust [Line Items] Diageo North America, inc. Savings Plan [Line Items] (Tables) [Table] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] Investments [Domain] Investment in Master Trust - Schedule of Fair Values of Investments and Other Assets and Liabilities of the Master Trust (Details) [Table] Schedule of Fair Values of Investments and Other Assets and Liabilities of Master Trust [Line Items] Fair Value Hierarchy and NAV [Domain] Investment in Master Trust - Schedule of Master Trust’s Assets at Fair Value (Details) [Table] Schedule of Master Trust’s Assets at Fair Value [Line Items] Statistical Measurement [Domain] Diageo North America, inc. Savings Plan [Line Items] - Schedule of Assets Savings Plan (Details) [Table] Diageo North America, inc. Savings Plan [Line Items] - Schedule of Assets Savings Plan (Details) [Line Items] Plan Description (Details) [Table] Related-Party and Party-In-Interest Transactions (Details) [Table] Related-Party and Party-In-Interest Transactions [Line Items] Loans take for primary term. Amount of employee benefits plan maximum participant's account retirement benefits. EBP, Number of money market funds offered by contribution plan. Number of mutual funds offered by contribution plan. EBP, participant account balance. Purchases of depositary shares, value. Sales of depositary shares, value. Tabular disclosure of schedule of assets savings plan. The entire disclosure of information about savings plan. Loans payable over period. Plan’s interest in the Diageo North America, Inc. Master Trust Loans to participants with interest rates ranging from 3.25% to 8.50% and maturity dates ranging from 2026 to 2045 Plan’s interest in the Master Trust Notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Schedule Of Master Trust SAssets At Fair Value Abstract EBP, Investment, Plan Interest in Master Trust, Fair Value EBP, Employer Contribution, Participant Compensation Matched, Percentage Money Market Funds [Member] Ebp Description Of Plan Abstract EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] EBP, Note Receivable from Participant [Policy Text Block] EBPLoans Taken Primary Term Ebp Summary Of Accounting Policy Abstract EBPMaximum Participants Account Retirement Benefits EBP, Investment, Fair Value and NAV [Table Text Block] EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount EBP, Master Trust [Text Block] EBPNumber Of Mutual Funds Offered By Contribution Plan EBPPurchases Of Depositary Shares Value EBPNumber Of Money Market Funds Offered By Contribution Plan EBP, Subsequent Event [Abstract] Loans Payable Over Period Ebp Master Trust Abstract EBP, Nonconsolidated, Plan Interest in Master Trust [Member] EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment EBP, Expense [Policy Text Block] EBP, Description of Plan and Accounting Change [Abstract] Fair Value, Inputs, Level 1 [Member] EBP, Change in Net Asset Available for Benefit, Increase EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense EBP, Summary of Accounting Policy [Text Block] EBP, Tax Status [Text Block] EBP, Note Receivable from Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment [Abstract] EBP001 Member Ebp Related Party And Party In Interest Transactions Abstract EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Use of Estimate [Policy Text Block] Statements Of Net Assets Available For Benefits Abstract EBP, Investment, Fair Value and NAV [Abstract] EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage EBP, Investment, Excluding Plan Interest in Master Trust, Cost EBPSchedule Of Savings Plan Text Block EBP, Description of Plan [Text Block] EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment [Abstract] EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Unrealized Gain (Loss) on Investment EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Subsequent Event [Text Block] EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage EBP, Nonconsolidated, Master Trust [Member] EBP, Forfeited Nonvested Account EBP, Investment, Fair Value Minimum [Member] EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Plan Termination [Text Block] EBP, Net Asset Available for Benefit [Abstract] Ebp Schedule Of Savings Plan Abstract EBP, Master Trust [Table Text Block] EBP, Risk and Uncertainty [Text Block] EBP, Change in Net Asset Available for Benefit, Decrease EBP, Basis of Accounting [Policy Text Block] EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Realized Gain (Loss) on Investment EBP, Net Asset Available for Benefit Maximum [Member] Document Type EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment Amendment Flag Document Period End Date Schedule Of Fair Values Of Investments And Other Assets And Liabilities Of The Master Trust Abstract EBPSchedule Of Assets Savings Plan Table Text Block Ebp Tax Status Abstract Entity Central Index Key EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Statement Of Changes In Net Assets Available For Benefits Abstract Common Stock [Member] Investment, Identifier [Axis] Mutual Fund [Member] EBPParticipant Account Balance EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover EBP, Payment to Participant [Policy Text Block] EBPSales Of Depositary Shares Value Entity Registrant Name EBP, Change in Net Asset Available for Benefit, Increase (Decrease)