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Accounting information and policies (Policies)

12 Months Ended

Jun. 30, 2020

Disclosure Of Accounting Policies, Changes In Accounting Estimates And Errors [Abstract]

(a) Basis of preparation

The consolidated financial statements are prepared in accordance with the Companies Act 2006 and International Financial Reporting Standards (IFRS) and related interpretations as adopted for use in the European Union (EU) and as issued by the International Accounting Standards Board (IASB). IFRS as adopted by the EU differs in certain respects from IFRS as issued by the IASB. The differences have no impact on the group’s consolidated financial statements for the years presented. The consolidated financial statements are prepared on a going concern basis under the historical cost convention, unless stated otherwise in the relevant accounting policy.

The preparation of financial statements in conformity with IFRS requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the year. Actual results could differ from those estimates.

Going concern

(b) Going concern

The potential financial impact of the Covid-19 pandemic has been modelled in our cash flow projections and stress tested by including several severe but plausible downside scenarios which are linked to our principal risks. In our downside Covid-19 scenario, we have considered the key impacts of the pandemic for each region including the potential restrictions on the sale of our products in both on-trade and off-trade channels. We have then considered the expected duration of those restrictions, as well as a forecast for the length of time to recovery (a return to 2019 volumes), based on industry projections. As a result of these factors, in our severe but plausible scenarios, we do not anticipate that the on-trade business recovers to volumes experienced in the year ending 30 June 2019 within the next 18 month period. Even with these negative sensitivities for each region taken into account, the group’s cash position is still considered to remain strong, as we have protected our liquidity by increasing the level of committed facilities and accelerating certain bond issuance programmes. Mitigating actions, should they be required, are all within management’s control and could include reduced advertising and promotion spend, dividend cash payments, non-essential overheads and non-committed capital expenditure in the next 12 months. Having considered the outcome of these assessments, it is deemed appropriate to prepare the consolidated financial statements on a going concern basis.

Consolidation

The consolidated financial statements include the results of the company and its subsidiaries together with the group’s attributable share of the results of associates and joint ventures. A subsidiary is an entity controlled by Diageo plc. The group controls an investee when it is exposed, or has rights, to variable returns from its involvement with the investee and has the ability to affect those returns through its power over the investee. Where the group has the ability to exercise joint control over an entity but has rights to specified assets and obligations for liabilities of that entity, the entity is included on the basis of the group’s rights over those assets and liabilities.

Foreign currencies

(d) Foreign currencies

Items included in the financial statements of the group’s subsidiaries, associates and joint ventures are measured using the currency of the primary economic environment in which each entity operates (its functional currency). The consolidated financial statements are presented in sterling, which is the functional currency of the parent company.

The income statements and cash flows of non-sterling entities are translated into sterling at weighted average rates of exchange, other than substantial transactions that are translated at the rate on the date of the transaction. Exchange differences arising on the retranslation to closing rates are taken to the exchange reserve.

Assets and liabilities are translated at closing rates. Exchange differences arising on the retranslation at closing rates of the opening balance sheets of overseas entities are taken to the exchange reserve, as are exchange differences arising on foreign currency borrowings and financial instruments designated as net investment hedges, to the extent that they are effective. Tax charges and credits arising on such items are also taken to the exchange reserve. Gains and losses accumulated in the exchange reserve are recycled to the income statement when the foreign operation is sold. Other exchange differences are taken to the income statement. Transactions in foreign currencies are recorded at the rate of exchange at the date of the transaction.

Critical accounting estimates and judgements

(e) Critical accounting estimates and judgements

Details of critical estimates and judgements which the directors consider could have a significant impact upon the financial statements are set out in the related notes as follows:


–	Exceptional items – management judgement whether exceptional or not – page 213


–	Taxation – management judgement of whether a provision is required and management estimate of amount of corporate tax payable or receivable, the recoverability of deferred tax assets and expectation on manner of recovery of deferred taxes – pages 219 and 220


–	Brands, goodwill and other intangibles – management judgement of the assets to be recognised and synergies resulting from an acquisition. Management judgement and estimate are required in determining future cash flows and appropriate applicable assumptions to support the intangible asset value – page 228


–	Post employment benefits – management judgement in determining whether a surplus can be recovered and management estimate in determining the assumptions in calculating the liabilities of the funds – page 239


–	Contingent liabilities and legal proceedings – management judgement in assessing the likelihood of whether a liability will arise and an estimate to quantify the possible range of any settlement and significant unprovided tax matters where maximum exposure is provided for each – page 269

Hyperinflation

Venezuela is a hyper-inflationary economy where the government maintains a regime of strict currency controls with multiple foreign currency rate systems. Access to US dollars on these exchange systems is very limited. The foreign currency denominated transactions and balances of the group’s Venezuelan operations are translated into the local functional currency (Venezuelan bolivar) at the rate they are expected to be settled, applying the most appropriate official exchange rate (DICOM). For consolidation purposes, the group converts its Venezuelan operations using management’s estimate of the exchange rate considering forecast inflation and the most appropriate official exchange rate.

Adoption of new IFRS standards applicable from 1 July 2019 and 1 July 2017

(f) New accounting standards and interpretations

The following amendments to the accounting standards, issued by the IASB which have been endorsed by the EU, have been adopted by the group from 1 July 2019 with no impact on the group’s consolidated results, financial position or disclosures:


–	Amendments to IAS 28 - Long-term Interests in Associates and Joint Ventures


–	Amendments to IFRS 9 - Prepayment Features with Negative Compensation


–	Improvements to IFRS 3 and IFRS 11 - Business combinations and Joint arrangements - Accounting for previously held interests


–	Improvements to IAS 12 - Income taxes - Accounting for income tax consequences of payments on financial instruments that are classified as equity


–	Improvements to IAS 23 - Borrowing costs on completed qualifying assets

The following amendments and standards issued by the IASB which have been endorsed by the EU, have been adopted by the group:

IFRS 15 – Revenue from contracts with customers. The group adopted IFRS 15 from 1 July 2017 by applying the modified retrospective transition method, recognising the cumulative effect of initially applying IFRS 15 as an adjustment to the balance of retained earnings as at 1 July 2017. Retained earnings for the year ended 30 June 2017 was not restated.

IFRS 16 – Leases. The group adopted IFRS 16 from 1 July 2019 by applying the modified retrospective method, meaning that the figures, as at, and for the years ended 30 June 2018 and 2019 have not been restated. IFRS 16 replaced existing lease guidance including IAS 17 - Leases, IFRIC 4, SIC-15 and SIC-27. Information in respect of the adoption of IFRS 16 is included in note 11.

Amendments to IAS 19 - Plan Amendment, Curtailment or Settlement.The amendment requires the remeasurement of service cost and interest charge for the rest of the period following plan amendments, settlements and curtailments using actuarial assumptions prevailing at the date of these events. The amendment is applicable to Diageo from 1 July 2019 on a prospective basis and has resulted in an additional service cost of £1 million following the remeasurement of the Irish Scheme.

New IFRS standards applicable in future years

The following amendment and standard, issued by the IASB has not been adopted by the group:

IFRS 17 – Insurance contracts (effective in the year ending 30 June 2022) is ultimately intended to replace IFRS 4.

Based on a preliminary assessment the group believes that the adoption of IFRS 17 will not have a significant impact on its consolidated results or financial position.

Amendments to IFRS 9, IAS 39 and IFRS 7 - Interest rate benchmark reform (phase 1). The amendment provides temporary relief from applying specific hedge accounting requirements to hedging relationships directly affected by interbank offered rate (IBOR) reform. The reliefs have the effect that IBOR reform should not generally cause hedge accounting to terminate.

There are a number of other amendments and clarifications to IFRS, effective in future years, which are not expected to significantly impact the group’s consolidated results or financial position.

Sales

comprise revenue from contracts with customers from the sale of goods, royalties and rents receivable. Revenue from the sale of goods includes excise and other duties which the group pays as principal but excludes duties and taxes collected on behalf of third parties, such as value added tax. Sales are recognised as or when performance obligations are satisfied by transferring control of a good or service to the customer, which is determined considering, among other factors, the delivery terms agreed with customers. For the sale of goods the transfer of control occurs, when the significant risks and rewards of ownership are passed to the customer. Based on the shipping terms agreed with customers, the transfer of control of goods occurs at the time of dispatch for the majority of sales. Where the transfer of control is subsequent to the dispatch of goods, the time between dispatch and receipt by the customer is generally less than 5 days. The group includes in sales the net consideration to which it expects to be entitled. Sales are recognised to the extent that it is highly probable that a significant reversal will not occur. Therefore, sales are stated net of expected price discounts, allowances for customer loyalty and certain promotional activities and similar items. Generally, payment of the transaction price is due within credit terms that are consistent with industry practices, with no element of financing.

Net sales

Net sales are sales less excise duties. Diageo incurs excise duties throughout the world. In the majority of countries excise duties are effectively a production tax which becomes payable when the product is removed from bonded premises and is not directly related to the value of sales. It is generally not included as a separate item on external invoices; increases in excise duty are not always passed on to the customer and where a customer fails to pay for products received the group cannot reclaim the excise duty. The group therefore recognises excise duty, unless it regards itself as an agent of the regulatory authorities, as a cost to the group.

Advertising costs

Advertising costs, point of sale materials and sponsorship payments are charged to marketing in operating profit when the company has a right of access to the goods or services acquired.

Exceptional items

Critical accounting judgements Exceptional items are those that in management’s judgement need to be disclosed separately. Such items are included within the income statement caption to which they relate. It is believed that separate disclosure of exceptional items and the classification between operating and non-operating further helps investors to understand the performance of the group.

Operating items Exceptional operating items are those that are considered to be material and unusual or non-recurring in nature and are part of the operating activities of the group such as impairment of intangible assets and fixed assets, indirect tax settlements, property disposals and changes in post employment plans.

Non-operating items Gains and losses on the sale of businesses, brands or distribution rights, step up gains and losses that arise when an investment becomes an associate or an associate becomes a subsidiary and other material, unusual non-recurring items, that are not in respect of the production, marketing and distribution of premium drinks, are disclosed as non-operating exceptional items below operating profit in the consolidated income statement.

Taxation items Exceptional current and deferred tax items comprising material unusual non-recurring items that impact taxation. Examples include direct tax provisions and settlements in respect of prior years and the remeasurement of deferred tax assets and liabilities following tax rate changes.

Finance income and charges

Net interest includes interest income and charges in respect of financial instruments and the results of hedging transactions used to manage interest rate risk.

Finance charges directly attributable to the acquisition, construction or production of a qualifying asset, being an asset that necessarily takes a substantial period of time to get ready for its intended use or sale, are added to the cost of that asset. Borrowing costs which are not capitalised are recognised in the income statement based on the effective interest method. All other finance charges are recognised primarily in the income statement in the year in which they are incurred.

Net other finance charges include items in respect of post employment plans, the discount unwind of long-term obligations and hyperinflation charges. The results of operations in hyperinflationary economies are adjusted to reflect the changes in the purchasing power of the local currency of the entity before being translated to sterling.

The impact of derivatives, excluding cash flow hedges that are in respect of commodity risk management or those that are used to hedge the currency risk of highly probable future currency cash flows, is included in interest income or interest charge.

Investment in associates and joint ventures

An associate is an undertaking in which the group has a long-term equity interest and over which it has the power to exercise significant influence. A joint venture is a joint arrangement whereby the parties that have joint control of the arrangement have rights to the net assets of the arrangement. The group’s interest in the net assets of associates and joint ventures is reported in investments in the consolidated balance sheet and its interest in their results (net of tax) is included in the consolidated income statement below the group’s operating profit. Associates and joint ventures are initially recorded at cost including transaction costs. Investments in associates and joint ventures are reviewed for impairment whenever events or circumstances indicate that the carrying amount may not be recoverable. The impairment review compares the net carrying value with the recoverable amount, where the recoverable amount is the higher of the value in use calculated as the present value of the group’s share of the associate’s future cash flows and its fair value less costs to sell.

Taxation

Current tax is based on taxable profit for the year. Taxable profit is different from accounting profit due to temporary differences between accounting and tax treatments, and due to items that are never taxable or tax deductible. Tax benefits are not recognised unless it is probable that the tax positions are sustainable. Once considered to be probable, tax benefits are reviewed each year to assess whether a provision should be taken against full recognition of the benefit on the basis of potential settlement through negotiation and/or litigation. Tax provisions are included in current liabilities. Penalties and interest on tax liabilities are included in operating profit and finance charges, respectively.

Full provision for deferred tax is made for temporary differences between the carrying value of assets and liabilities for financial reporting purposes and their value for tax purposes. The amount of deferred tax reflects the expected recoverable amount and is based on the expected manner of recovery or settlement of the carrying amount of assets and liabilities, using the basis of taxation enacted or substantively enacted by the balance sheet date. Deferred tax assets are not recognised where it is more likely than not that the assets will not be realised in the future. No deferred tax liability is provided in respect of any future remittance of earnings of foreign subsidiaries where the group is able to control the remittance of earnings and it is probable that such earnings will not be remitted in the foreseeable future, or where no liability would arise on the remittance.

Critical accounting estimates and judgements

The group is required to estimate the corporate tax in each of the many jurisdictions in which it operates. Management is required to estimate the amount that should be recognised as a tax liability or tax asset in many countries which are subject to tax audits which by their nature are often complex and can take several years to resolve; current tax balances are based on such estimations. Tax provisions are based on management’s judgement and interpretation of country specific tax law and the likelihood of settlement. However, the actual tax liabilities could differ from the provision and in such event the group would be required to make an adjustment in a subsequent period which could have a material impact on the group’s profit for the year.

The evaluation of deferred tax asset recoverability requires estimates to be made regarding the availability of future taxable income. For brands with an indefinite life, management’s primary intention is to recover the book value through a potential sale in the future, and therefore the deferred tax on the brand value is generally recognised using the appropriate country capital gains tax rate. To the extent brands with an indefinite life have been impaired, management considers this to be an indication of recovery through use and in such a case deferred tax on the brand value is recognised using the appropriate country corporate income tax rate.

Acquisition and sale of businesses and purchase of non-controlling interests

Business combinations are accounted for using the acquisition method. Identifiable assets, liabilities and contingent liabilities acquired are measured at fair value at acquisition date. The consideration payable is measured at fair value and includes the fair value of any contingent consideration. Among other factors, the group considers the nature of, and compensation for the selling shareholders' continuing employment to determine if any contingent payments are for post-combination employee services, which are excluded from consideration.

On the acquisition of a business, or of an interest in an associate or joint venture, fair values, reflecting conditions at the date of acquisition, are attributed to the net assets including identifiable intangible assets and contingent liabilities acquired. Directly attributable acquisition costs in respect of subsidiary companies acquired are recognised in other external charges as incurred.

The non-controlling interests on the date of acquisition can be measured either at the fair value or at the non-controlling shareholder’s proportion of the net fair value of the identifiable assets assumed. This choice is made separately for each acquisition.

Where the group has issued a put option over shares held by a non-controlling interest, the group derecognises the non-controlling interests and instead recognises a contingent deferred consideration liability for the estimated amount likely to be paid to the non-controlling interest on the exercise of those options. Movements in the estimated liability in respect of put options are recognised in retained earnings.

Transactions with non-controlling interests are recorded directly in retained earnings.

For all entities in which the company, directly or indirectly, owns equity a judgement is made to determine whether the investor controls the investee and therefore should fully consolidate the investee. An assessment is carried out to determine whether the group has the exposure or rights to the variable returns of the investee and has the ability to affect those returns through its power over the investee. To establish control an analysis is carried out of the substantive and protective rights that the group and the other investors hold. This assessment is dependent on the activities and purpose of the investee and the rights of the other shareholders, such as which party controls the board, executive committee and material policies of the investee. Determining whether the rights that the group holds are substantive requires management judgement.

Where less than 50% of the equity of an investee is held, and the group holds significantly more voting rights than any other vote holder or organised group of vote holders this may be an indicator of de facto control. An assessment is needed to determine all the factors relevant to the relationship with the investee to ascertain whether control has been established and whether the investee should be consolidated as a subsidiary. Where voting power and returns from an investment are split equally between two entities then the arrangement is accounted for as a joint venture.

On an acquisition fair values are attributed to the assets and liabilities acquired. This may involve material judgement to determine these values.

Intangible assets and goodwill

Acquired intangible assets are held on the consolidated balance sheet at cost less accumulated amortisation and impairment losses. Acquired brands and other intangible assets are initially recognised at fair value when they are controlled through contractual or other legal rights, or are separable from the rest of the business, and the fair value can be reliably measured. Where these assets are regarded as having indefinite useful economic lives, they are not amortised.

Goodwill represents the excess of the aggregate of the consideration transferred, the value of any non-controlling interests and the fair value of any previously held equity interest in the subsidiary acquired over the fair value of the identifiable net assets acquired. Goodwill arising on acquisitions prior to 1 July 1998 was eliminated against reserves, and this goodwill has not been reinstated. Goodwill arising subsequent to 1 July 1998 has been capitalised.

Amortisation and impairment of intangible assets is based on their useful economic lives and are amortised on a straight-line basis over those lives and reviewed for impairment whenever events or circumstances indicate that the carrying amount may not be recoverable. Goodwill and intangible assets that are regarded as having indefinite useful economic lives are not amortised and are reviewed for impairment at least annually or when there is an indication that the assets may be impaired. Impairment reviews compare the net carrying value with the recoverable amount (where recoverable amount is the higher of fair value less costs of disposal and value in use). Amortisation and any impairment write downs are charged to other operating expenses in the income statement.

Computer software is amortised on a straight-line basis to estimated residual value over its expected useful life. Residual values and useful lives are reviewed each year. Subject to these reviews, the estimated useful lives are up to eight years.

Critical accounting estimates and judgements

Assessment of the recoverable amount of an intangible asset and the useful economic life of an asset are based on management's estimates.

Impairment reviews are carried out to ensure that intangible assets, including brands, are not carried at above their recoverable amounts. Value in use and fair value less costs of disposal were both considered for these reviews and any impairment charge was based on these. The tests are dependent on management’s estimates in respect of the forecasting of future cash flows, the discount rates applicable to the future cash flows and what expected growth rates are reasonable. Judgement is required in determining the cash-generating units. Such estimates and judgements are subject to change as a result of changing economic conditions and actual cash flows may differ from forecasts.

Additional estimates have been applied by management regarding the potential financial impact of the Covid-19 pandemic across markets. In this regard a combination of the following factors was considered in every impairment model:


–	the future development of the virus, including the duration, scale and geographic extent of the closures;


–	the expected scale and duration of the economic recovery;


–	the size of the on-trade channel in the market;


–	the life cycle phase of the brand and the maturity of the market.

Property, plant and equipment

Land and buildings are stated at cost less accumulated depreciation. Freehold land is not depreciated. Leaseholds are generally depreciated over the unexpired period of the lease. Other property, plant and equipment are depreciated on a straight-line basis to estimated residual values over their expected useful lives, and these values and lives are reviewed each year. Subject to these reviews, the estimated useful lives fall within the following ranges: buildings – 10 to 50 years; within plant and equipment casks and containers – 15 to 50 years; other plant and equipment – 5 to 25 years; fixtures and fittings – 5 to 10 years; and returnable bottles and crates – 5 to 10 years.

Reviews are carried out if there is an indication that assets may be impaired, to ensure that property, plant and equipment are not carried at above their recoverable amounts.

Government grants

Government grants are not recognised until there is reasonable assurance that the group will comply with the conditions pursuant to which they have been granted and that the grants will be received. Government grants in respect of property, plant and equipment are deducted from the asset that they relate to, reducing the depreciation expense charged to the income statement.

Leases

Where the group is the lessee, all leases are recognised on the balance sheet as right-of-use assets and depreciated on a straight-line basis with the charge recognised in cost of sales. The liability, recognised as part of net borrowings, is measured at a discounted value and any interest is charged to finance charges.

The group recognises services associated with a lease as other operating expenses. Payments associated with leases where the value of the asset when it is new is lower than $5,000 (leases of low value assets) and leases with a lease term of twelve months or less (short term leases) are recognised as other operating expenses. A judgement in calculating the lease liability at initial recognition includes determining the lease term where extension or termination options exist. In such instances any economic incentive to retain or end a lease are considered and extension periods are only included when it is considered reasonably certain that an option to extend a lease will be exercised.

For the years ended 30 June 2019 and 2018, where the group had substantially all the risks and rewards of ownership of an asset subject to a lease, the lease was treated as a finance lease. Assets held under finance leases were recognised as assets of the group at their fair value at the inception of the lease. The corresponding liability to the lessor was included in other financial liabilities on the consolidated balance sheet. Lease payments were apportioned between interest expense and a reduction of the lease obligation so as to achieve a constant rate of interest on the remaining balance of the liability. Other leases were treated as operating leases, with payments and receipts taken to the income statement on a straight-line basis over the life of the lease.

Adoption of IFRS16

Under the new standard, outstanding lease liabilities have been recognised at 1 July 2019, for leases previously classified as operating leases, at the present value of the future lease payments over their reasonably certain lease term. Right-of-use assets have been recognised equal to the net present value of the lease liabilities, adjusted for the amount of any prepaid or accrued lease payment, lease incentives and provisions for onerous leases. There was no impact on retained earnings as at 1 July 2019. The interest rate used to discount the future payments in the calculation of the lease liability is the incremental borrowing rate at 1 July 2019 taking into account the currency and duration of the lease. The weighted average incremental borrowing rate applied across all operating leases capitalised on 1 July 2019 was 3.2%.

For leases previously classified as finance leases the group recognised the carrying amount of the lease asset and lease liability immediately before transition as the carrying amount of the right-of-use asset and the lease liability at the date of adoption of IFRS 16, 1 July 2019. The re-measurement principles of IFRS 16 are only applied after that date.

The group has decided to reduce the complexity of implementation by taking advantage of a number of practical expedients on transition on 1 July 2019 namely:


(i)	to not capitalise leases which expire within a year of 1 July 2019;


(ii)	to apply a single discount rate to portfolios of leases with similar characteristics; and


(iii)	to adjust the right-of-use asset by the amount of any provision for onerous leases recognised immediately before the date of initial application.

The group has not capitalised leases where the value of the asset when it is new is lower than $5,000 (low value assets).

Other investments

Other investments are such equity investments that are not classified as investments in associates or joint arrangements nor investments in subsidiaries. They are included in non-current assets. Subsequent to initial measurement, other investments are stated at fair value. Gains and losses arising from the changes in fair value are recognised in the income statement or in other comprehensive income on a case by case basis. Accumulated gains and losses included in other comprehensive income are not recycled to the income statement. Dividends from other investments are recognised in the consolidated income statement.

Loans receivable are non-derivative financial assets that are not classified as equity investments. They are subsequently measured either at amortised cost using the effective interest method less allowance for impairment or at fair value with gains and losses arising from changes in fair value recognised in the income statement or in other comprehensive income that are recycled to the income statement on the de-recognition of the asset. Allowances for expected credit losses are made based on the risk of non-payment taking into account ageing, previous experience, economic conditions and forward-looking data. Such allowances are measured as either 12-months expected credit losses or lifetime expected credit losses depending on changes in the credit quality of the counterparty.

Post employment benefits

The group’s principal pension funds are defined benefit plans. In addition, the group has defined contribution plans, unfunded post employment medical benefit liabilities and other unfunded defined benefit post employment liabilities. For post employment plans, other than defined contribution plans, the amount charged to operating profit is the cost of accruing pension benefits promised to employees over the year, plus any changes arising on benefits granted to members by the group during the year. Net finance charges comprise the net deficit/asset on the plans at the beginning of the year, adjusted for cash flows in the year, multiplied by the discount rate for plan liabilities. The differences between the fair value of the plans’ assets and the present value of the plans’ liabilities are disclosed as an asset or liability on the consolidated balance sheet. Any differences due to changes in assumptions or experience are recognised in other comprehensive income. The amount of any pension fund asset recognised on the balance sheet is limited to any future refunds from the plan or the present value of reductions in future contributions to the plan.

Contributions payable by the group in respect of defined contribution plans are charged to operating profit as incurred.

Critical accounting estimates and judgements

Application of IAS 19 requires the exercise of estimate and judgement in relation to various assumptions.

Diageo determines the assumptions on a country by country basis in conjunction with its actuaries. Estimates are required in respect of uncertain future events including the life expectancy of members of the funds, salary and pension increases, future inflation rates, discount rates and employee and pensioner demographics. The application of different assumptions could have a significant effect on the amounts reflected in the income statement, other comprehensive income and the balance sheet. There may be interdependencies between the assumptions.

Where there is an accounting surplus on a defined benefit plan management judgement is necessary to determine whether the group can obtain a refund of the surplus by reducing future contributions to the plan.

Inventories

Inventories are stated at the lower of cost and net realisable value. Cost includes raw materials, direct labour and expenses, an appropriate proportion of production and other overheads, but not borrowing costs. Cost is calculated at the weighted average cost incurred in acquiring inventories. Maturing inventories and raw materials which are retained for more than one year are classified as current assets, as they are expected to be realised in the normal operating cycle.

Trade and other receivables

Trade and other receivables are initially recognised at fair value less transaction costs and subsequently carried at amortised cost less any allowance for discounts and doubtful debts. Trade receivables arise from contracts with customers, and are recognised when performance obligations are satisfied, and the consideration due is unconditional as only the passage of time is required before the payment is received. Allowance losses are calculated by reviewing lifetime expected credit losses using historic and forward-looking data on credit risk.

Trade and other payables

Trade and other payables are initially recognised at fair value including transaction costs and subsequently carried at amortised costs. Contingent consideration recognised in business combinations are subsequently measured at fair value through income statement. The group evaluates supplier arrangements against a number of indicators to assess if the liability has the characteristics of a trade payable or should be classified as borrowings. These indicators include whether payment terms are similar to customary payment terms.

Provisions

Provisions are liabilities of uncertain timing or amount. A provision is recognised if, as a result of a past event, the group has a present legal or constructive obligation that can be estimated reliably, and it is probable that an outflow of economic benefits will be required to settle the obligation. Provisions are calculated on a discounted basis. The carrying amounts of provisions are reviewed at each balance sheet date and adjusted to reflect the current best estimate.

Financial instruments and risk management

Financial assets and liabilities are initially recorded at fair value including, where permitted by IFRS 9, any directly attributable transaction costs. For those financial assets that are not subsequently held at fair value, the group assesses whether there is evidence of impairment at each balance sheet date.

The group classifies its financial assets and liabilities into the following categories: financial assets and liabilities at amortised cost, financial assets and liabilities at fair value through profit and loss and financial assets at fair value through other comprehensive income.

The accounting policies for other investments and loans are described in note 12, for trade and other receivables and payables in note 14 and for cash and cash equivalents in note 16.

Financial assets and liabilities at fair value through profit or loss include derivative assets and liabilities. Where financial assets or liabilities are eligible to be carried at either amortised cost or fair value through other comprehensive income, the group does not apply the fair value option.

Derivative financial instruments are carried at fair value using a discounted cash flow model based on market data applied consistently for similar types of instruments. Gains and losses on derivatives that do not qualify for hedge accounting treatment are taken to the income statement as they arise.

Other financial liabilities are carried at amortised cost unless they are part of a fair value hedge relationship. The difference between the initial carrying amount of the financial liabilities and their redemption value is recognised in the income statement over the contractual terms using the effective interest rate method. The Zacapa related financial liabilities are recognised at fair value.

Hedge accounting

The group designates and documents certain derivatives as hedging instruments against changes in fair value of recognised assets and liabilities (fair value hedges), highly probable forecast transactions or the cash flow risk from a change in exchange or interest rates (cash flow hedges) and hedges of net investments in foreign operations (net investment hedges). The designated portion of the hedging instruments is included in other financial assets and liabilities on the consolidated balance sheet. The effectiveness of such hedges is assessed at inception and at least on a quarterly basis, using prospective testing. Methods used for testing effectiveness include dollar offset, critical terms, regression analysis and hypothetical models.

Fair value hedges are used to manage the currency and/or interest rate risks to which the fair value of certain assets and liabilities are exposed. Changes in the fair value of the derivatives are recognised in the income statement, along with any changes in the relevant fair value of the underlying hedged asset or liability.

If such a hedge relationship no longer meets hedge accounting criteria, fair value movements on the derivative continue to be taken to the income statement while any fair value adjustments made to the underlying hedged item to that date are amortised through the income statement over its remaining life using the effective interest rate method.

Cash flow hedges are used to hedge the foreign currency risk of highly probable future foreign currency cash flows, the commodity price risk of highly probable future transactions, as well as the cash flow risk from changes in exchange or interest rates. The effective portion of the gain or loss on the hedges is recognised in other comprehensive income, while any ineffective part is recognised in the income statement. Amounts recorded in other comprehensive income are recycled to the income statement in the same period in which the underlying foreign currency, commodity exposure or interest exposure affects the income statement.

Net investment hedges take the form of either foreign currency borrowings or derivatives. Foreign exchange differences arising on translation of net investments are recorded in other comprehensive income and included in the exchange reserve. Liabilities used as hedging instruments are revalued at closing exchange rates and the resulting gains or losses are also recognised in other comprehensive income to the extent that they are effective, with any ineffectiveness taken to the income statement. Foreign exchange contracts hedging net investments are carried at fair value. Effective fair value movements are recognised in other comprehensive income, with any ineffectiveness taken to the income statement.

Borrowings

are initially recognised at fair value net of transaction costs and are subsequently reported at amortised cost. Certain bonds are designated in fair value hedge relationship. In these cases, the amortised cost is adjusted for the fair value of the risk being hedged, with changes in value recognised in the income statement. The fair value adjustment is calculated using a discounted cash flow technique based on unadjusted market data.

Bank overdrafts form an integral part of the group’s cash management and are included as a component of net cash and cash equivalents in the consolidated statement of cash flows.

Cash and cash equivalents comprise cash in hand and deposits which are readily convertible to known amounts of cash and which are subject to insignificant risk of changes in value and have an original maturity of three months or less, including money market deposits, commercial paper and investments.

Net borrowings are defined as gross borrowings (short-term borrowings and long-term borrowings plus lease liabilities plus interest rate hedging instruments, cross currency interest rate swaps and funding foreign currency forwards and swaps used to manage borrowings) less cash and cash equivalents.

As a result of the adoption of IFRS 16 on 1 July 2019, net borrowings include leases previously classified as operating leases under IAS 17. Comparative information has not been restated.

Own shares

represent shares and share options of Diageo plc that are held in treasury or by employee share trusts for the purpose of fulfilling obligations in respect of various employee share plans or were acquired as part of a share buyback programme. Own shares are treated as a deduction from equity until the shares are cancelled, reissued or disposed of and when vest are transferred from own shares to retained earnings at their weighted average cost.

Share based payments

include share awards and options granted to directors and employees. The fair value of equity settled share options and share grants is initially measured at grant date based on the binomial or Monte Carlo models and is charged to the income statement over the vesting period. For equity settled shares the credit is included in retained earnings. Cancellations of share options are treated as an acceleration of the vesting period and any outstanding charge is recognised in operating profit immediately. Any surplus or deficit arising on the sale of the Diageo plc shares held by the group is included as a movement in equity.

Dividends

are included in the financial statements in the year in which they are approved.

Contingent liabilities and legal proceedings

Provision is made for the anticipated settlement costs of legal or other disputes against the group where it is considered to be probable that a liability exists and a reliable estimate can be made of the likely outcome. Where it is possible that a settlement may be reached or it is not possible to make a reliable estimate of the estimated financial effect appropriate disclosure is made but no provision created.

Critical accounting judgements and estimates

Judgement is necessary in assessing the likelihood that a claim will succeed, or a liability will arise, and an estimate to quantify the possible range of any settlement. Due to the inherent uncertainty in this evaluation process, actual losses may be different from the liability originally estimated. The group may be involved in legal proceedings in respect of which it is not possible to make a reliable estimate of any expected settlement, if any. In such cases appropriate disclosure is provided but no provision is made and no contingent liability is quantified.