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DEFERRED INCOME TAXES (Tables)
 12 Months Ended
Dec. 31, 2018
Income Tax [Abstract]  
Deferred income tax assets and liabilities
Deferred Tax Assets Not Recognized
 
As at December 31, 2018

As at December 31, 2017

Australia

$154


$158

Canada
1,087

388

Peru
310

—

Chile
1,028

993

Argentina
174

515

Barbados
40

66

Tanzania
156

209

Zambia
24

50

Saudi Arabia
70

70

 

$3,043


$2,449

Source of Changes in Deferred Tax Balances
For the years ended December 31
2018

2017

Temporary differences
 
 
Property, plant and equipment

($15
)

$295

Environmental rehabilitation
(302
)
(45
)
Tax loss carry forwards
(389
)
191

Inventory
5

26

Derivatives
(74
)
(16
)
Other
(26
)
(84
)
 

($801
)

$367

Intraperiod allocation to:
 
 
Income from continuing operations before income taxes

($730
)

($106
)
Cerro Casale disposition
—

469

Veladero disposition
—

16

Income tax payable
(38
)
—

Equity
(24
)
—

OCI
(9
)
(12
)
 

($801
)

$367

Income Tax Related Contingent Liabilities
 
2018

2017

At January 1

$306


$128

Net additions based on uncertain tax positions related to prior years
—

178

At December 311

$306


$306

1 
If reversed, the total amount of $306 million would be recognized as a benefit to income taxes on the income statement, and therefore would impact the reported effective tax rate.
 
2019

2020

2021

2022

2023+

No expiry date

Total

Non-capital tax losses1
 
 
 
 
 
 
 
Canada

$—


$—


$—


$—


$2,305


$—


$2,305

Argentina
—

—

69

—

—

—

69

Barbados
1,843

435

26

524

1,177

—

4,005

Chile
—

—

—

—

—

1,141

1,141

Tanzania
—

—

—

—

—

1,555

1,555

Zambia
—

—

12

404

—

—

416

Other
—

—

—

—

—

645

645

 

$1,843


$435


$107


$928


$3,482


$3,341


$10,136

1 
Represents the gross amount of tax loss carry forwards translated at closing exchange rates at December 31, 2018.

Sources of Deferred Income Tax Assets and Liabilities
 
As at December 31, 2018

As at December 31, 2017

Deferred tax assets
 
 
Tax loss carry forwards

$537


$926

Alternative minimum tax (“AMT”) credits
37

—

Environmental rehabilitation
292

594

Property, plant and equipment
—

175

Post-retirement benefit obligations and other employee benefits
27

49

Accrued interest payable
1

40

Other working capital
32

23

Derivative instruments
—

74

Other
12

21

 

$938


$1,902

Deferred tax liabilities
 
 
Property, plant and equipment
(1,412
)
(1,571
)
Inventory
(503
)
(507
)
 

($977
)

($176
)
Classification:
 
 
Non-current assets

$259


$1,069

Non-current liabilities
(1,236
)
(1,245
)
 

($977
)

($176
)
Tax years still under examination
Tax Years Still Under Examination
 
Canada
2015-2018
United States
2018
Dominican Republic
2015-2018
Peru
2009, 2011-2013, 2015-2018
Chile
2014-2018
Argentina
2012-2018
Australia
2014-2018
Papua New Guinea
2006-2018
Saudi Arabia
2007-2018
Tanzania
All years open
Zambia
2010-2018