PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2020

Property, plant and equipment [abstract]

Estimated useful lives of Major Asset Categories


Buildings, plant and equipment			1 – 34 years
Underground mobile equipment			3 - 7 years
Light vehicles and other mobile equipment			1 - 7 years
Furniture, computer and office equipment			1 - 7 years

Property, Plant, and Equipment


	Buildings, plant and equipment1	Mining property costs subject to depreciation2,4	Mining property costs not subject to depreciation2,3	Total
At January 1, 2020
Net of accumulated depreciation	$7,753	$12,288	$4,100	$24,141
Additions6	10	259	1,919	2,188
Capitalized interest	—	—	24	24


Disposals	(24)	(1)	(12)	(37)
Depreciation	(1,219)	(1,146)	—	(2,365)
Impairment reversals	260	412	5	677
Transfers7	693	1,757	(2,450)	—

At December 31, 2020	$7,473	$13,569	$3,586	$24,628
At December 31, 2020
Cost	$18,361	$29,901	$15,531	$63,793
Accumulated depreciation and impairments	(10,888)	(16,332)	(11,945)	(39,165)
Net carrying amount – December 31, 2020	$7,473	$13,569	$3,586	$24,628




	Buildings, plant and equipment1	Mining property costs subject to depreciation2,4	Mining property costs not subject to depreciation2,3	Total
At January 1, 2019
Cost	$14,750	$21,624	$14,610	$50,984
Accumulated depreciation and impairments	(11,150)	(15,366)	(11,642)	(38,158)
Net carrying amount – January 1, 2019	$3,600	$6,258	$2,968	$12,826
Additions5,6	298	3,458	1,371	5,127
Capitalized interest	—	—	14	14
Acquisitions8	3,473	2,270	1,660	7,403
Divestiture9	(127)	(106)	(27)	(260)
Disposals	(22)	—	—	(22)
Depreciation	(1,107)	(907)	—	(2,014)
Impairment reversals (charges)	990	742	(309)	1,423
Transfers7	648	573	(1,221)	—
Assets held for sale	—	—	(356)	(356)
At December 31, 2019	$7,753	$12,288	$4,100	$24,141
At December 31, 2019
Cost	$18,544	$27,268	$16,050	$61,862
Accumulated depreciation and impairments	(10,791)	(14,980)	(11,950)	(37,721)
Net carrying amount – December 31, 2019	$7,753	$12,288	$4,100	$24,141

12019 additions include $85 million of transitional adjustments for the recognition of leased right-of-use assets upon the Company’s adoption of IFRS 16 on January 1, 2019. Additions include $4 million of right-of-use assets for lease arrangements entered into during the year ended December 31, 2020 (2019: $49 million). Depreciation includes depreciation for leased right-of-use assets of $21 million for the year ended December 31, 2020 (2019: $25 million). The net carrying amount of leased right-of-use assets was $50 million as at December 31, 2020 (2019: $75 million).

2Includes capitalized reserve acquisition costs, capitalized development costs and capitalized exploration and evaluation costs other than exploration license costs included in intangible assets.

3Assets not subject to depreciation include construction-in-progress, projects and acquired mineral resources and exploration potential at operating minesites and development projects.

4Assets subject to depreciation include the following items for production stage properties: acquired mineral reserves and resources, capitalized mine development costs, capitalized stripping and capitalized exploration and evaluation costs.

5Additions include $3,422 million of remeasurement gain related to the change in ownership of Turquoise Ridge acquired through the Nevada Joint Venture. Refer to note 4 for further details.

6Additions include revisions to the capitalized cost of closure and rehabilitation activities.

7Primarily relates to long-lived assets that are transferred between categories within PP&E once they are placed into service.

8Acquisitions include assets acquired as part of the Merger and the establishment of Nevada Gold Mines. Refer to note 4 for further details.

9Relates to the sale of our 50% interest in Kalgoorlie. Refer to note 4 for further details.Mineral Property Costs Not Subject to Depreciation


	Carrying amount at Dec. 31, 2020	Carrying amount at Dec. 31, 2019
Construction-in-progress1	$1,208	$1,009
Acquired mineral resources and exploration potential	786	1,504
Projects
Pascua-Lama	741	754
Norte Abierto	653	649
Donlin Gold	198	184
	$3,586	$4,100

1Represents assets under construction at our operating minesites.