Significant estimated and judgements	12 Months Ended
Dec. 31, 2019
Text Block [Abstract]
Significant estimated and judgements	4. Significant estimated and judgements The preparation of the financial statements according to accounting policies described in Note 3 requires Management to make judgments, estimates and assumptions that affect the application of accounting policies and the reported amounts for assets, liabilities, revenues and expenses. Actual results may differ from these estimates. In addition, this note also explains where there have been actual adjustments this year as a result of and error and of changes to previous estimates. Information about uncertainties on assumptions and estimates that have a significant risk of resulting in a material adjustment in the future fiscal year is included as follows: (i) Estimation fair value of certain financial assets The fair value of financial instruments that are not traded in an active market is determined using valuation techniques. The Group uses its judgment to select a variety of methods and make assumptions that are mainly based on market conditions existing at the end of each reporting period. (ii) Impairment of financial assets The loss allowances for financial assets are based on assumptions about risk of default and expected loss rates. The Group uses judgement in making these assumptions and selecting the inputs to the impairment calculation, based on the Group’s past history and existing market conditions, as well as forward-looking estimates at the end of each reporting period. (iii) Recognition of deferred tax asset for carried-forward tax losses Deferred tax assets are recognized for all unused tax losses to the extent that sufficient taxable profit will likely be available to allow the use of such losses. Significant judgment from management is required to determine the amount of deferred tax assets that can be recognized, based on the likely timing and level of future taxable profits, together with future tax planning strategies. The Group has concluded that the deferred assets will be recoverable using the estimated future taxable income based on the approved business plans and budgets for the subsidiaries where a deferred tax asset has been recognized. The losses can be carried forward indefinitely and have no expiry date. (iv) Property and equipment and intangible assets useful lives Property and equipment and intangible assets include the use of estimates to determine the useful life for depreciation and amortization purposes. Useful life determination requires estimates in relation to the expected technological advances and alternative uses of assets. There is a significant element of judgment involved in making technological development assumptions, since the timing and nature of future technological advances are difficult to predict. As of December 31, 2019, the Group did not identify evidence that could indicate that useful lives described in Note 3 ((viii) and (ix)) should be revised. Therefore, the Group concluded that changes to the estimated useful live was not deemed necessary. (v) Impairment of non-financial assets, including goodwill The Group assesses, at each reporting date, whether there is an indication that an asset may be impaired. Intangible assets with indefinite useful lives and goodwill are tested for impairment annually at the level of the CGU, as appropriate, and when circumstances indicate that the carrying value may be impaired. Impairment exists when the carrying value of an asset or cash generating unit exceeds its recoverable amount, which is the higher of its fair value less costs to sell and its value in use. Technological obsolescence, suspension of certain services and other changes in circumstances that demonstrate the need for recording a possible impairment are also regarded in estimates. (vi) Provision for contingent liabilities Provisions for the judicial and administrative proceedings are recorded when the risk of loss of administrative or judicial proceeding is considered probable and the amounts can be reliably measured, based on the nature, complexity and history of lawsuits and the opinion of legal counsel internal and external. Provisions are made when the risk of loss of judicial or administrative proceedings is assessed as probable and the amounts involved can be measured with sufficient accuracy, based on best available information. They are fully or partially reversed when the obligations cease to exist or are reduced. Given the uncertainties arising from the proceedings, it is not practicable to determine the timing of any outflow (cash disbursement).

4. Significant estimated and judgements

The preparation of the financial statements according to accounting policies described in Note 3 requires Management to make judgments, estimates and assumptions that affect the application of accounting policies and the reported amounts for assets, liabilities, revenues and expenses. Actual results may differ from these estimates. In addition, this note also explains where there have been actual adjustments this year as a result of and error and of changes to previous estimates.

Information about uncertainties on assumptions and estimates that have a significant risk of resulting in a material adjustment in the future fiscal year is included as follows:

(i) Estimation fair value of certain financial assets

The fair value of financial instruments that are not traded in an active market is determined using valuation techniques. The Group uses its judgment to select a variety of methods and make assumptions that are mainly based on market conditions existing at the end of each reporting period.

(ii) Impairment of financial assets

The loss allowances for financial assets are based on assumptions about risk of default and expected loss rates. The Group uses judgement in making these assumptions and selecting the inputs to the impairment calculation, based on the Group’s past history and existing market conditions, as well as forward-looking estimates at the end of each reporting period.

(iii) Recognition of deferred tax asset for carried-forward tax losses

Deferred tax assets are recognized for all unused tax losses to the extent that sufficient taxable profit will likely be available to allow the use of such losses. Significant judgment from management is required to determine the amount of deferred tax assets that can be recognized, based on the likely timing and level of future taxable profits, together with future tax planning strategies.

The Group has concluded that the deferred assets will be recoverable using the estimated future taxable income based on the approved business plans and budgets for the subsidiaries where a deferred tax asset has been recognized. The losses can be carried forward indefinitely and have no expiry date.

(iv) Property and equipment and intangible assets useful lives

Property and equipment and intangible assets include the use of estimates to determine the useful life for depreciation and amortization purposes. Useful life determination requires estimates in relation to the expected technological advances and alternative uses of assets. There is a significant element of judgment involved in making technological development assumptions, since the timing and nature of future technological advances are difficult to predict.

As of December 31, 2019, the Group did not identify evidence that could indicate that useful lives described in Note 3 ((viii) and (ix)) should be revised. Therefore, the Group concluded that changes to the estimated useful live was not deemed necessary.

(v) Impairment of non-financial assets, including goodwill

The Group assesses, at each reporting date, whether there is an indication that an asset may be impaired. Intangible assets with indefinite useful lives and goodwill are tested for impairment annually at the level of the CGU, as appropriate, and when circumstances indicate that the carrying value may be impaired.

Impairment exists when the carrying value of an asset or cash generating unit exceeds its recoverable amount, which is the higher of its fair value less costs to sell and its value in use. Technological obsolescence, suspension of certain services and other changes in circumstances that demonstrate the need for recording a possible impairment are also regarded in estimates.

(vi) Provision for contingent liabilities

Provisions for the judicial and administrative proceedings are recorded when the risk of loss of administrative or judicial proceeding is considered probable and the amounts can be reliably measured, based on the nature, complexity and history of lawsuits and the opinion of legal counsel internal and external.

Provisions are made when the risk of loss of judicial or administrative proceedings is assessed as probable and the amounts involved can be measured with sufficient accuracy, based on best available information. They are fully or partially reversed when the obligations cease to exist or are reduced. Given the uncertainties arising from the proceedings, it is not practicable to determine the timing of any outflow (cash disbursement).