Summary of significant accounting policies
Joint ventures
A joint venture is an entity in which the group holds a long-term interest and which the group and one or more other venturers jointly control under a contractual arrangement, that provides for strategic, financial and operating policy decisions relating to the activities requiring unanimous consent of the parties sharing control. The groups interests in jointly controlled entities are accounted for by proportionate consolidation on a line-by-line basis.
The group does not recognise its share of profits or losses that result from the groups purchase of assets from the joint venture until it resells the assets to an independent party. A loss on the transaction is recognised immediately if it provides evidence of a reduction in the net realisable value of current assets, or an impairment loss.
Joint ventures are accounted for at cost and are adjusted for impairments where appropriate in the company financial statements.
Associates
The equity method of accounting is used for an investment over which the group exercises significant influence and normally owns between 20% and 50% of the voting equity. Associates are equity accounted from the effective date of acquisition to the effective date of disposal.
As the group only has significant influence, it is unable to obtain reliable information at year end on a timely basis. The results of associates are equity accounted from their most recent audited annual financial statements or unaudited interim financial statements, all within three months of the year end of the group. Adjustments are made to the associates financial results for material transactions and events in the intervening period. Any losses of associates are brought to account in the consolidated financial statements until the investment in such associates is written down to zero. Thereafter, losses are accounted for only insofar as the group is committed to providing financial support to such associates.
The carrying values of the investments in associates represent the cost of each investment, including goodwill, balance outstanding on loans advanced, any impairment losses recognised, the share of post-acquisition retained earnings and losses, and any other movements in reserves. The carrying value of associates is reviewed on a regular basis and if any impairment in value has occurred, it is recognised in the period in which these circumstances are identified.
Profits realised in connection with transactions between the group and associated companies are eliminated in proportion to share ownership. Such profits are deducted from the groups equity and related balance sheet amount and released in the group accounts when the assets are effectively realised outside the group. Associates are accounted for at cost and are adjusted for impairments where appropriate in the company financial statements.
Foreign currency translation
Functional currency
Items included in the financial statements of each of the groups entities are measured using the currency of the primary economic environment in which the entity operates (the functional currency).
Transactions and balances
Foreign currency transactions are translated into the functional currency using the approximate exchange rates prevailing at the dates of the transactions. Foreign exchange gains and losses resulting from the settlement of foreign currency transactions and from the translation at the year-end exchange rate of monetary assets and liabilities denominated in foreign currencies are recognised in the income statement, except for derivative balances that are within the scope of IAS 39. Translation differences on these balances are reported as part of their fair value gain or loss.
Translation differences on non-monetary items, such as equities held at fair value through profit or loss, are reported as part of their fair value gain or loss. Translation differences on non-monetary items, such as equities classified as available-for-sale financial assets, are included in other comprehensive income in equity.
Group companies
The results and financial position of all group entities (none of which has the currency of a hyperinflationary economy) that have a functional currency different from the presentation currency are translated into the presentation currency as follows:
- equity items other than retained earnings are translated at the closing rate on each balance sheet date;
- retained earnings are converted at historical average exchange rates;
- assets and liabilities for each balance sheet presented are translated at the closing rate at the date of that balance sheet;
- income and expenses for each income statement presented are translated at monthly average exchange rates (unless this average is not a reasonable approximation of the cumulative effect of the rates prevailing on the transaction dates, in which case income and expenses are translated at the rates prevailing at the date of the transaction); and
- all resulting exchange differences are recognised as a separate component of equity (foreign currency translation).
Exchange differences arising from the translation of the net investment in foreign operations, and of borrowings and other currency instruments designated as hedges of such investments, are taken to shareholders equity on consolidation. For the company, the exchange differences on such monetary items are reported in the company income statement.
When a foreign operation is sold, such exchange differences are recognised in the income statement as part of the gain or loss on sale.
Goodwill and fair value adjustments arising on the acquisition of a foreign operation are treated as assets and liabilities of the foreign operation and translated at the closing rate.
Segment reporting
A business segment is a group of assets and operations engaged in providing products or services that are subject to risks and returns that are different from those of other business segments. Management has determined that the group operates primarily in one segment, gold. A geographical segment provides products or services within a particular economic environment that is subject to risks and returns that are different from those of segments operating in other economic environments.
Tangible assets
Tangible assets are recorded at cost less accumulated amortisation and impairments. Cost includes pre-production expenditure incurred during the development of a mine and the present value of related future decommissioning costs.
Interest on borrowings relating to the financing of major capital projects under construction is capitalised during the construction phase as part of the cost of the project. Such borrowing costs are capitalised over the period during which the asset is being acquired or constructed and borrowings have been incurred. Capitalisation ceases when construction is interrupted for an extended period or when the asset is substantially complete. Other borrowing costs are expensed as incurred.
If there is an indication that the recoverable amount of any of the tangible assets is less than the carrying value, the recoverable amount is estimated and an allowance is made for the impairment in value.
Subsequent costs are included in the assets carrying amount only when it is probable that future economic benefits associated with the asset will flow to the group, and the cost of the addition can be measured reliably. All other repairs and maintenance are charged to the income statement during the financial period in which they are incurred.
To the extent a legal or constructive obligation to a third party exists, the acquisition cost includes estimated costs of dismantling and removing the asset and restoring the site. A change in estimated expenditures for dismantling, removal and restoration is added to and/or deducted from the carrying value of the related asset. To the extent that the change would result in a negative carrying amount, this effect is recognised as income. The change in depreciation charge is recognised prospectively.
Amortisation of assets is calculated to allocate the cost of each asset to its residual value over its estimated useful life for those assets not amortised on the units-of-production method as follows:
- buildings up to life of mine;
- plant and machinery up to life of mine;
- equipment and motor vehicles up to five years;
- computer equipment up to three years; and
- leased assets over the period of the lease.
Major renovations are depreciated over the remaining useful life of the related asset or to the date of the next major renovation, whichever is sooner.
The assets residual values and useful lives are reviewed, and adjusted if appropriate, at each balance sheet date.
Gains and losses on disposals are determined by comparing net sale proceeds with the carrying amount. These are included in the income statement.
Mine development costs
Capitalised mine development costs include expenditure incurred to develop new orebodies, to define further mineralisation in existing orebodies and to expand the capacity of a mine. Where funds have been borrowed specifically to finance a project, the amount of interest capitalised represents the actual borrowing costs incurred. Mine development costs include acquired proved and probable Mineral Resources at cost at the acquisition date.
Depreciation, depletion and amortisation of mine development costs are computed by the units-of-production method based on estimated proved and probable mineral reserves. Proved and probable mineral reserves reflect estimated quantities of economically recoverable reserves which can be recovered in the future from known mineral deposits. These reserves are amortised from the date on which commercial production begins.
Stripping costs incurred in open-pit operations during the production phase to remove additional waste are charged to operating costs on the basis of the average life of mine stripping ratio and the average life of mine costs per tonne. The average stripping ratio is calculated as the number of tonnes of waste material expected to be removed during the life of mine per tonne of ore mined. The average life of mine cost per tonne is calculated as the total expected costs to be incurred to mine the orebody, divided by the number of tonnes expected to be mined. The average life of mine stripping ratio and the average life of mine cost per tonne are recalculated annually in the light of additional knowledge and changes in estimates.
The cost of the excess stripping is capitalised as mine development costs when the actual mining costs exceed the sum of the adjusted tonnes mined, being the actual ore tonnes plus the product of the actual ore tonnes multiplied by the average life of mine stripping ratio, multiplied by the life of mine cost per tonne. When the actual mining costs are below the sum of the adjusted tonnes mined, being the actual ore tonnes plus the product of the actual ore tonne multiplied by the average life of mine stripping ratio, multiplied by the life of mine cost per tonnes, previously capitalised costs are expensed to increase the cost up to the average.
The cost of stripping in any period will be reflective of the average stripping rates for the orebody as a whole. Changes in
the life of mine stripping ratio are accounted for prospectively as a change in estimate.
Mine infrastructure
Mine plant facilities, including decommissioning assets, are amortised using the lesser of their useful life or units-of-production method based on estimated proved and probable mineral reserves. Other tangible assets comprising vehicles and computer equipment, are depreciated by the straight-line method over their estimated useful lives.
Land
Land is not depreciated and is measured at historical cost less impairments.
Mineral rights and dumps
Mineral rights are amortised using the units-of-production method based on estimated proved and probable mineral
reserves. Dumps are amortised over the period of treatment.
Exploration and Evaluation assets
All exploration costs are expensed until the directors conclude that a future economic benefit will more likely than not be realised. In evaluating if expenditures meet this criterion to be capitalised, the directors use several different sources of information depending on the level of exploration. While the criterion for concluding that expenditure should be capitalised is always probable, the information that the directors use to make that determination depends on the level of exploration.
- Costs on greenfields sites, being those where the group does not have any mineral deposits which are already being mined or developed, are expensed as incurred until the directors are able to demonstrate that future economic benefits are probable, which generally will be the establishment of proved and probable reserves at this location.
- Costs on brownfields sites, being those adjacent to mineral deposits which are already being mined or developed, are expensed as incurred until the directors are able to demonstrate that future economic benefits are probable, which generally will be the establishment of increased proved and probable reserves after which the expenditure is capitalised as a mine development cost.
- Costs relating to extensions of mineral deposits, which are already being mined or developed, including expenditure on the definition of mineralisation of such mineral deposits, is capitalised as a mine development cost.
Costs relating to property acquisitions are capitalised within development costs.
Intangible assets
Acquisition and goodwill arising thereon
Where an investment in a subsidiary, joint venture or an associate is made, any excess of the purchase price over the fair value of the attributable mineral reserves including value beyond proved and probable, exploration properties and net assets is recognised as goodwill. Goodwill in respect of subsidiaries and proportionately consolidated joint ventures is disclosed as goodwill. Goodwill relating to associates is included within the carrying value of the investment in associates and tested for impairment when indicators exist.
Goodwill relating to subsidiaries and joint ventures is tested annually for impairment and carried at cost less accumulated impairment losses. Gains and losses on the disposal of an entity include the carrying amount of goodwill relating to the entity sold. Goodwill is allocated to cash-generating units for the purpose of impairment testing.
Royalty rate concession
Royalty rate concession with the government of Ghana was capitalised at fair value at agreement date. Fair value represents a present value of future royalty rate concessions over 15 years. The royalty rate concession has been assessed to have a finite life and is amortised on a straight-line method over a period of 15 years, the period over which the concession runs. The related amortisation expense is charged through the income statement. This intangible asset is also tested for impairment when there is an indicator of impairment.
Impairment of assets
Intangible assets that have an indefinite useful life and separately recognised goodwill are not subject to amortisation and are tested annually for impairment and whenever events or changes in circumstance indicate that the carrying amount may not be recoverable. Assets that are subject to amortisation are tested for impairment whenever events or changes in circumstance indicate that the carrying amount may not be recoverable.
An impairment loss is recognised for the amount by which the assets carrying amount exceeds its recoverable amount. The recoverable amount is the higher of an assets fair value, less costs to sell and value in use. For the purposes of assessing impairment, assets are grouped at the lowest levels for which there are separately identifiable cash flows (cash-generating units).
Impairment calculation assumptions include life of mine plans based on prospective reserves and resources, managements estimate of the future gold price, based on current market price trends, foreign exchange rates, and a pre-tax discount rate adjusted for country and project risk. It is therefore reasonably possible that changes could occur which may affect the recoverability of tangible and intangible assets.
Leased assets
Assets subject to finance leases are capitalised at the lower of fair value or present value of minimum lease payments measured at inception of the lease with the related lease obligation recognised at the same amount. Capitalised leased assets are depreciated over the shorter of their estimated useful lives and the lease term. Finance lease payments are allocated using the rate implicit in the lease, which is included in finance costs, and the capital repayment, which reduces the liability to the lessor.
Operating lease rentals are charged against operating profits in a systematic manner related to the period the assets concerned will be used.
Non-current assets held for sale
Non-current assets and disposal groups are classified as held for sale if their carrying amount will be recovered principally through a sale transaction rather than through continuing use. This condition is regarded as having been met only when the sale is highly probable and the asset (or disposal group) is available for immediate sale in its present condition. Management must be committed to the sale, which should be expected to qualify for recognition as a completed sale within one year from the date of classification.
Non-current assets (and disposal groups) classified as held for sale are measured at the lower of their previous carrying amount and fair value less costs to sell.
Exploration and research expenditure
Pre-licence costs are recognised in profit or loss as incurred. Exploration and research expenditure is expensed in the year in which it is incurred. These expenses include: geological and geographical costs, labour, mineral resources and exploratory drilling costs.
Inventories
Inventories are valued at the lower of cost and net realisable value after appropriate allowances for redundant and slow moving items. Cost is determined on the following bases:
- gold in process is valued at the average total production cost at the relevant stage of production;
- gold doré / bullion is valued on an average total production cost method;
- ore stockpiles are valued at the average moving cost of mining and stockpiling the ore. Stockpiles are classified as a non-current asset where the stockpile exceeds current processing capacity;
- by-products, which include uranium oxide and sulphuric acid are valued on an average total production cost method. By-products are classified as a non-current asset where the by-products on hand exceed current processing capacity;
- mine operating supplies are valued at average cost; and
- heap leach pad materials are measured on an average total production cost basis. The cost of materials on the leach pad from which gold is expected to be recovered in a period longer than 12 months is classified as a non-current asset.
A portion of the related depreciation, depletion and amortisation charge is included in the cost of inventory.
Provisions
Provisions are recognised when the group has a present obligation, whether legal or constructive, because of a past event for which it is probable that an outflow of resources embodying economic benefits will be required to settle the obligation and a reliable estimate can be made of the amount of the obligation. Where some or all of the expenditure required to settle a provision is expected to be reimbursed by another party, the reimbursement is recognised only when the reimbursement is virtually certain. The amount to be reimbursed is recognised as a separate asset. Where the group has a joint and several liability with one or more other parties, no provision is recognised to the extent that those other parties are expected to settle part or all of the obligation.
Provisions are measured at the present value of managements best estimate of the expenditure required to settle the obligation at the balance sheet date. The discount rate used to determine the present value reflects current market assessments of the time value of money and the risks specific to the liability.
Litigation and administrative proceedings are evaluated on a case-by-case basis considering the information available, including that of legal counsel, to assess potential outcomes. Where it is considered probable that an obligation will result in an outflow of resources, a provision is recorded for the present value of the expected cash outflows if these are reasonably measurable. These provisions cover the estimated payments to plaintiffs, court fees and the cost of potential settlements.
AngloGold Ashanti Limited does not recognise a contingent liability on its balance sheet except in a business combination. A contingent liability is disclosed when the possibility of an outflow of resources embodying economic benefits is not remote.
Borrowed commodities
When commodities are borrowed to meet contractual commitments, the fair value at inception is charged to the income statement as cost of sales, and it is reflected as a liability on the balance sheet. The liability is subsequently measured at fair value with changes in fair value recorded through the income statement until settlement occurs.
Employee benefits
Pension obligations
Group companies operate various pension schemes. The schemes are funded through payments to insurance companies or trustee-administered funds, determined by periodic actuarial calculations. The group has both defined benefit and defined contribution plans. A defined benefit plan is a pension plan that defines an amount of pension benefit that an employee will receive on retirement, usually dependent on one or more factors such as age, years of service and compensation.
A defined contribution plan is a pension scheme under which the group pays fixed contributions into a separate entity. The group has no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employees the benefits relating to employee service in current and prior periods. The contributions are recognised as our employee benefit expense when they are due. Prepaid contributions are recognised as an asset to the extent that a cash refund or a reduction in future contribution payments is available.
The asset/liability recognised in the balance sheet in respect of defined benefit pension plans is the present value of the defined benefit obligation at the balance sheet date less the fair value of plan assets, together with adjustments for past service costs. The defined benefit obligation is calculated annually by independent actuaries using the projected unit credit method.
Actuarial gains and losses arising from experience adjustments and changes in actuarial assumptions are immediately recorded in the statement of recognised income and expenditure.
Other post-employment benefit obligations
Some group companies provide post-retirement health care benefits to their retirees. The entitlement to these benefits is usually conditional on the employee remaining in service up to retirement age and completion of a minimum service period. The expected costs of these benefits are accrued over the period of employment using an accounting methodology on the same basis as that used for defined benefit pension plans. Actuarial gains and losses arising from experience adjustments and changes in actuarial assumptions are recorded in the statement of recognised income and expenditure immediately. These obligations are valued annually by independent qualified actuaries.
Termination benefits
Termination benefits are payable when employment is terminated before the normal retirement date, or when an employee accepts voluntary redundancy in exchange for these benefits. The group recognises termination benefits when it is demonstrably committed to either: terminating the employment of current employees according to a detailed formal plan without possibility of withdrawal; or providing termination benefits as a result of an offer made to encourage voluntary redundancy based on the number of employees expected to accept the offer. Benefits falling due more than 12 months after balance sheet date are discounted to present value.
Profit-sharing and bonus plans
The group recognises a liability and an expense for bonuses and profit-sharing, based on a formula that takes into consideration the profit attributable to the groups shareholders after certain adjustments. The group recognises a provision where contractually obliged or where there is a past practice that has created a constructive obligation.
Share-based payments
The groups management awards certain employees bonuses in the form of equity settled share-based payments on a discretionary basis.
The fair value of the equity instruments granted is calculated at measurement date, for transactions with employees this is at grant date. For transactions with employees, fair value is based on market prices of the equity instruments granted, if available, taking into account the terms and conditions upon which those equity instruments were granted. If market prices of the equity instruments granted are not available, the fair value of the equity instruments granted is estimated using an appropriate valuation model. Vesting conditions, other than market conditions, are not taken into account when estimating the fair value of shares or share options at measurement date.
Over the vesting period, the fair value at measurement date is recognised as an employee benefit expense with a corresponding increase in other comprehensive income based on the groups estimate of the number of instruments that will eventually vest. The income statement charge or credit for a period represents the movement in cumulative expense recognised as at the beginning and end of that period. Vesting assumptions for non-market conditions are reviewed at each reporting date to ensure they reflect current expectations.
When options are exercised or share awards vest, the proceeds received, net of any directly attributable transaction costs, are credited to share capital (nominal value) and share premium.
Where the terms of an equity settled award are modified, as a minimum, an expense is recognised as if the terms had not been modified. In addition, an expense is recognised for any modification which increases the total fair value of the share-based payment arrangement, or is otherwise beneficial to the employee, as measured at the date of the modification.
In the company financial statements, share-based payment arrangements with employees of other group entities are recognised by charging that entity its share of the expense and a corresponding increase in other comprehensive income.
Environmental expenditure
The group has long-term remediation obligations comprising decommissioning and restoration liabilities relating to its past operations which are based on the group's environmental management plans, in compliance with current environmental and regulatory requirements. Provisions for non-recurring remediation costs are made when there is a present obligation, it is probable that expense on remediation work will be required and the cost can be estimated within a reasonable range of possible outcomes. The costs are based on currently available facts, technology expected to be available at the time of the clean up, laws and regulations presently or virtually certain to be enacted and prior experience in remediation of contaminated sites.
Annual contributions for the South African operations are made to the Environmental Rehabilitation Trust Fund, created in accordance with local statutory requirements where applicable, to fund the estimated cost of rehabilitation during and at the end of the life of a mine. The amounts contributed to this trust fund are accounted for as non-current assets in the company. Interest earned on monies paid to rehabilitation trust funds is accrued on a time proportion basis and is recorded as interest income. For group purposes the trusts are consolidated.
AngloGold Ashanti is the sole contributor to the funds and exercises full control through the respective boards of trustees, hence the funds are consolidated.
Environmental rehabilitation obligations in respect of the non-South African operations are not funded through an established trust fund. Bank guarantees and reclamation bonds are provided for some of these liabilities.
Decommissioning costs
The provision for decommissioning represents the cost that will arise from rectifying damage caused before production commenced. Accordingly an asset is recognised and included within mine infrastructure.
Decommissioning costs are provided at the present value of the expenditures expected to settle the obligation, using estimated cash flows based on current prices. The unwinding of the decommissioning obligation is included in the income statement. Estimated future costs of decommissioning obligations are reviewed regularly and adjusted as appropriate for new circumstances or changes in law or technology. Changes in estimates are capitalised or reversed against the relevant asset. Estimates are discounted at a pre-tax rate that reflects current market assessments of the time value of money.
Gains or losses from the expected disposal of assets are not taken into account when determining the provision.
Restoration costs
The provision for restoration represents the cost of restoring site damage after the start of production. Increases in the provision are charged to the income statement as a cost of production.
Gross restoration costs are estimated at the present value of the expenditures expected to settle the obligation, using estimated cash flows based on current prices. The estimates are discounted at a pre-tax rate that reflects current market assessments of the time value of money and risks specific to the liability.
Revenue recognition
Revenue is recognised at the fair value of the consideration received or receivable to the extent that it is probable that economic benefits will flow to the group and revenue can be reliably measured. The following criteria must also be present:
- the sale of mining products is recognised when the significant risks and rewards of ownership of the products are transferred to the buyer;
- dividends are recognised when the right to receive payment is established;
- interest is recognised on a time proportion basis, taking account of the principal outstanding and the effective rate over the period to maturity, when it is determined that such income will accrue to the group; and
- where a by-product is not regarded as significant, revenue is credited against cost of sales, when the significant risks and rewards of ownership of the products are transferred to the buyer.
Taxation
Deferred taxation is provided on all qualifying temporary differences at the balance sheet date between the tax bases of assets and liabilities and their carrying amounts for financial reporting purposes.
Deferred tax assets are only recognised to the extent that it is probable that the deductible temporary differences will reverse in the foreseeable future and future taxable profit will be available against which the temporary difference can be utilised.
The carrying amount of deferred tax assets is reviewed at each balance sheet date and reduced to the extent that it is no longer probable that sufficient future taxable profit will be available to allow all or part of the deferred tax asset to be utilised.
Deferred tax assets and liabilities are measured at future anticipated tax rates, which have been enacted or substantively enacted at the balance sheet date.
Current and deferred tax is recognised as income or expense and included in profit or loss for the period, except to the extent that the tax arises from a transaction or event which is recognised, in the same or a different period directly in equity; or a business combination that is an acquisition.
Current tax is measured on taxable income at the applicable statutory rate enacted or substantially enacted at the balance sheet date.
Special items
Items of income and expense that are material and require separate disclosure, in accordance with IAS 1.86, are classified as special items on the face of the income statement. Special items that relate to the underlying performance of the business are classified as operating special items and include impairment charges and reversals. Special items that do not relate to underlying business performance are classified as non-operating special items and are presented below operating (loss) profit on the income statement.
Dividend distribution
Dividend distribution to the groups shareholders is recognised as a liability in the groups financial statements in the period in which the dividends are declared by the board of directors of AngloGold Ashanti Limited.
Financial instruments
Financial instruments are initially measured at fair value when the group becomes a party to their contractual arrangements. Transaction costs are included in the initial measurement of financial instruments, except financial instruments classified as at fair value through profit and loss. The subsequent measurement of financial instruments is dealt with below.
A financial asset is derecognised when the right to receive cash flows from the asset has expired or the group has transferred its rights to receive cash and either (a) has transferred substantially all the risks and rewards of the asset, or (b) has neither transferred nor retained substantially all the risks and rewards of the asset, but has transferred control of the assets.
A financial liability is derecognised when the obligation under the liability is discharged, cancelled or expires.
On derecognition of a financial asset, the difference between the proceeds received or receivable and the carrying amount of the asset is included in income.
On derecognition of a financial liability, the difference between the carrying amount of the liability extinguished or transferred to another party and the amount paid is included in income.
Regular way purchases and sales of all financial assets and liabilities are accounted for at settlement date.
Derivatives
The group enters into derivatives to ensure a degree of price certainty and to guarantee a minimum revenue on a portion of future planned gold production. In addition, the group enters into derivatives to manage interest rate risk.
The method of recognising fair value gains and losses depends on whether derivatives are held for trading or are designated as hedging instruments, and if the latter, the nature of the risks being hedged. The group designates derivatives as either, hedges of the variability in highly probable future cash flows attributable to a recognised asset or liability, or a forecast transaction (cash flow hedges), or hedges of the fair value of recognised asset or liability or a firm commitment (fair value hedges).
For cash flow hedges, the effective portions of fair value gains or losses are recognised in equity (other comprehensive income) until the hedging instrument expires or is sold, or when a hedge no longer meets the criteria for hedge accounting. Then, any cumulative gain or loss existing in equity at that time remains in equity until the forecast transaction is eventually recognised in the income statement or included in the initial measurement of covered assets and liabilities. When a forecast transaction is no longer expected to occur, the cumulative gain or loss that was reported in equity is immediately transferred to the income statement and then the gains or losses are recognised in earnings or included in the initial measurement of covered assets or liabilities. The ineffective portion of fair value gains and losses is reported in earnings in the period to which they relate. For fair value hedges, the gain or loss from changes in fair value of the hedged item is reported in earnings, together with the offsetting gains and losses from changes in fair value of the hedging instrument.
All other derivatives are classified as held for trading and are subsequently measured at their estimated fair value, with the changes in estimated fair value in the balance sheet as either a derivative asset or derivative liability, including translation differences, at each reporting date being reported in earnings in the period to which it relates. Fair value gains and losses on these derivatives are included in the income statement.
Commodity based (normal purchase or normal sale) derivative contracts that meet the requirements of IAS 39 are recognised in earnings when they are settled by physical delivery.
Hedge accounting
Hedge accounting is applied to derivatives designated as hedging instruments in a cash flow hedge provided certain criteria are met. At the inception of a hedging relationship, the relationship between the hedging instruments and the hedged items, its risk management objective and its strategy for undertaking the hedge, is documented. A documented assessment, both at hedge inception and on an ongoing basis, of whether or not the hedging instruments, primarily derivatives, that are used in hedging transactions are highly effective in offsetting the changes attributable to the hedged risks in the cash flows of the hedged items, is also prepared.
Hedge ineffectiveness is recognised in the income statement in Loss on non-hedge derivatives and other commodity contracts.
The estimated fair values of derivatives are determined at discrete points in time based on the relevant market information. These estimates are calculated with reference to the market rates using industry standard valuation techniques.
Unearned premiums
Call option premiums received are recorded as trade and other payables until the option matures at which time the premium is recorded in revenue. This only applies to normal sale exempt designated deliverable call options.
Other investments
Listed equity investments and unlisted equity investments, other than investments in subsidiaries, joint ventures, and associates, are classified as available-for-sale financial assets and subsequently measured at fair value. Listed investments fair values are calculated by reference to the quoted selling price at the close of business on the balance sheet date. Fair values for unlisted equity investments are estimated using methods reflecting the economic circumstances of the investee. Equity investments for which fair value cannot be measured reliably are recognised at cost less impairment. Changes in fair value are recognised in equity (other comprehensive income) in the period in which they arise. These amounts are removed from equity and reported in income when the asset is derecognised or when there is evidence that the asset is impaired.
Investments which management has the intention and ability to hold to maturity are classified as held-to-maturity financial assets and are subsequently measured at amortised cost using the effective interest rate method. If there is evidence that held-to-maturity financial assets are impaired, the carrying amount of the assets is reduced and the loss recognised in the income statement.
Investments in subsidiaries, joint ventures, associates and the rehabilitation trusts are carried at cost less any accumulated impairments in the companys separate financial statements.
Other non-current assets
- Loans and receivables are subsequently measured at amortised cost using the effective interest rate method. If there is evidence that loans and receivables are impaired, the carrying amount of the assets is reduced and the loss recognised in the income statement.
- Post-retirement assets are measured according to the employee benefits policy.
Trade and other receivables
Trade receivables are recognised initially at fair value and subsequently measured at amortised cost using the effective interest method, less accumulated impairment. Impairment of trade and other receivables is established when there is objective evidence as a result of a loss event that the group will not be able to collect all amounts due according to the original terms of the receivables. Objective evidence includes failure by the counterparty to perform in terms of contractual arrangements and agreed terms. The amount of the impairment is the difference between the assets carrying amount and the present value of estimated future cash flows, discounted at the original effective interest rate. The impairment is recognised in the income statement.
Cash and cash equivalents
Cash and cash equivalents are defined as cash on hand, demand deposits and short-term, highly liquid investments which are readily convertible to known amounts of cash and subject to insignificant risk of changes in value. They are measured at cost which is deemed to be fair value as they have a short-term maturity.
Cash restricted for use
Cash which is subject to legal or contractual restrictions on use is classified separately as cash restricted for use.
Financial liabilities
Financial liabilities, other than derivatives, are subsequently measured at amortised cost, using the effective interest rate method.
Financial guarantee contracts are accounted for as financial instruments and measured initially at estimated fair value. They are subsequently measured at the higher of the amount determined in accordance with IAS 37 (Provisions, contingent liabilities and assets), and the amount initially recognised less (when appropriate) cumulative amortisation recognised in accordance with IAS 18.
Foreign currency convertible bonds
Foreign currency convertible bonds issued are accounted for entirely as liabilities. The option component is treated as a derivative liability and carried at fair value with changes in fair value recorded in the income statement. The bond component is carried at amortised cost using the effective interest rate method.
Treasury shares
Own equity instruments which are reacquired or held by subsidiary companies (treasury shares) are deducted from equity. No gain or loss is recognised in profit or loss on the purchase, sale, issue or cancellation of the groups own equity instruments.
Accounting for BEE transactions
Where equity instruments are issued to a BEE party at less than fair value, these are accounted for as share-based payments.
Any difference between the fair value of the equity instrument issued and the consideration received is accounted for as an expense in the income statement.
A restriction on the BEE party to transfer the equity instrument subsequent to its vesting is not treated as a vesting condition, but is factored into the fair value determination of the instrument.
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