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DEFERRED INCOME TAXES
12 Months Ended
Dec. 31, 2021
Income tax [Abstract]  
DEFERRED INCOME TAXES
30 n Deferred Income Taxes
Recognition and Measurement
We record deferred income tax assets and liabilities where temporary differences exist between the carrying amounts of assets and liabilities in our balance sheet and their tax bases. The measurement and recognition of deferred income tax assets and liabilities takes into account: substantively enacted rates that will apply when temporary differences reverse; interpretations of relevant tax legislation; estimates of the tax bases of assets and liabilities; and the deductibility of expenditures for income tax purposes. In addition, the measurement and recognition of deferred tax assets takes into account tax planning strategies. We recognize the effect of changes in our assessment of these estimates and factors when they occur. Changes in deferred income tax assets and liabilities are allocated between net income, other comprehensive income, equity and goodwill based on the source of the change.
Current income taxes of $66 million have been provided in the year on the undistributed earnings of certain foreign subsidiaries. Deferred income taxes have not been provided on the undistributed earnings of all other foreign subsidiaries for which we are able to control the timing of the remittance, and it is probable that there will be no remittance in the foreseeable future. These undistributed earnings amounted to $18,016 million as at December 31, 2021.
Sources of Deferred Income Tax Assets and Liabilities
As at December 31, 2021 As at December 31, 2020
Deferred tax assets
Tax loss carry forwards $330  $456 
Tax credits 10  13 
Environmental rehabilitation 262  358 
Post-retirement benefit obligations and other employee benefits 30  30 
Other working capital 68  70 
Other 5 
$705  $930 
Deferred tax liabilities
Property, plant and equipment (3,556) (3,375)
Inventory (416) (463)
Accrued interest payable 3  (28)
($3,264) ($2,936)
Classification:    
Non-current assets $29  $98 
Non-current liabilities (3,293) (3,034)
($3,264) ($2,936)
Expiry Dates of Tax Losses
2022 2023 2024 2025 2026+ No expiry date Total
Non-capital tax losses1
Barbados $97  $399  $213  $220  $138  $—  $1,067 
Canada —  —  —  —  2,146  —  2,146 
Chile —  —  —  —  —  894  894 
Saudi Arabia —  —  —  —  —  349  349 
Tanzania —  —  —  —  —  1,296  1,296 
United Kingdom —  —  —  —  —  190  190 
Zambia 32  11  —  48 
Others —  —  —  —  59  45  104 
$129  $401  $215  $221  $2,354  $2,774  $6,094 
1Represents the gross amount of tax loss carry forwards translated at closing exchange rates at December 31, 2021.

The non-capital tax losses include $4,995 million of losses which are not recognized in deferred tax assets. Of these, $99 million expire in 2022, $401 million expire in 2023, $214 million expire in 2024, $221 million expire in 2025, $2,287 million expire in 2026 or later, and $1,772 million have no expiry date.
    
Recognition of Deferred Tax Assets
We recognize deferred tax assets taking into account the effects of local tax law. Deferred tax assets are fully recognized when we conclude that sufficient positive evidence exists to demonstrate that it is probable that a deferred tax asset will be realized. The main factors considered are:
Historic and expected future levels of taxable income;
Tax plans that affect whether tax assets can be realized; and
The nature, amount and expected timing of reversal of taxable temporary differences.
 
Levels of future income are mainly affected by: market gold, copper and silver prices; forecasted future costs and expenses to produce gold and copper; quantities of proven and probable gold and copper reserves; market interest rates; and foreign currency exchange rates. If these factors or other circumstances change, we record an adjustment to the recognition of deferred tax assets to reflect our latest assessment of the amount of deferred tax assets that is probable will be realized.

Deferred Tax Assets Not Recognized
As at December 31, 2021 As at December 31, 2020
Argentina $118  $105 
Australia 302  298 
Barbados 27  10 
Canada 966  1,127 
Chile 1,059  1,037 
Côte d'Ivoire 6 
Mali 11 
Peru 79  281 
Saudi Arabia 71  70 
Tanzania 105  110 
United Kingdom 36  36 
Zambia 3  40 
$2,783  $3,129 
Deferred tax assets not recognized relate to: non-capital loss carry forwards of $1,048 million (2020: $1,168 million), capital loss carry forwards with no expiry date of $321 million (2020: $323 million), and other deductible temporary differences with no expiry date of $1,414 million (2020: $1,638 million).
Source of Changes in Deferred Tax Balances
For the years ended December 31 2021 2020
Temporary differences
Property, plant and equipment ($181) ($112)
Environmental rehabilitation (97) 29 
Tax loss carry forwards (127) (54)
AMT and other tax credits (3) (14)
Inventory 48  81 
Other 32  (10)
($328) ($80)
Intraperiod allocation to:
Income from continuing operations before income taxes ($345) ($151)
Income Tax Payable (2) 65 
Other comprehensive (income) loss 19  (6)
Other   12 
  ($328) ($80)
Income Tax Related Contingent Liabilities
2021 2020
At January 1 $266  $327 
Net additions based on uncertain tax positions related to prior years 19  39 
Reductions for tax positions of prior years (28) (100)
At December 311
$257  $266 
1If reversed, the total amount of $257 million would be recognized as a benefit to income taxes on the income statement, and therefore would impact the reported effective tax rate.
Tax Years Still Under Examination
Argentina 2010-2011, 2015-2021
Australia 2017-2021
Canada 2015-2021
Chile 2015-2021
Côte d'Ivoire 2020-2021
Democratic Republic of Congo 2019-2021
Dominican Republic 2015-2021
Mali 2017-2021
Papua New Guinea 2006-2021
Peru 2015-2021
Saudi Arabia 2020-2021
Tanzania 2018-2021
United States 2021
Zambia 2018-2021