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Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Disclosure of quantitative information about right-of-use assets


FOR THE YEAR ENDED DECEMBER 31, 2020						NETWORK INFRASTRUCTURE AND EQUIPMENT			LAND AND BUILDINGS			TOTAL
COST
January 1, 2020						3,609			2,933			6,542
Additions						470			200			670

Transfers						(360)			(2)			(362)
Acquired through business combinations						—			4			4
Lease terminations						(20)			(10)			(30)
Impairment losses recognized in earnings			8			(1)			(9)			(10)


Discontinued operations			3			(8)			(121)			(129)

December 31, 2020						3,690			2,995			6,685
ACCUMULATED DEPRECIATION
January 1, 2020						1,301			817			2,118
Depreciation						377			294			671

Transfers						(199)			—			(199)
Lease terminations						(2)			(6)			(8)
Discontinued operations			3			(4)			(19)			(23)

December 31, 2020						1,473			1,086			2,559
NET CARRYING AMOUNT
January 1, 2020						2,308			2,116			4,424
December 31, 2020						2,217			1,909			4,126


FOR THE YEAR ENDED DECEMBER 31, 2019						NETWORK INFRASTRUCTURE AND EQUIPMENT			LAND AND BUILDINGS			TOTAL
COST
January 1, 2019						3,329			2,453			5,782
Additions						526			512			1,038
Transfers						(233)			—			(233)
Acquired through business combinations						—			8			8
Lease terminations						(12)			(38)			(50)
Impairment losses recognized in earnings			8			(2)			(3)			(5)
Discontinued operations			3			1			1			2


December 31, 2019						3,609			2,933			6,542
ACCUMULATED DEPRECIATION
January 1, 2019						1,042			536			1,578
Depreciation						372			298			670
Transfers						(111)			—			(111)
Lease terminations						(3)			(22)			(25)
Discontinued operations			3			1			5			6
December 31, 2019						1,301			817			2,118
NET CARRYING AMOUNT
January 1, 2019						2,287			1,917			4,204
December 31, 2019						2,308			2,116			4,424

Disclosure of additional information about leasing activities for lessee

The following table provides the expenses related to leases recognized in net earnings from continuing operations.


FOR THE YEAR ENDED DECEMBER 31			2020			2019
Interest expense on lease liabilities			199			213
Variable lease payment expenses not included in the measurement of lease liabilities			150			148
Expenses for leases of low value assets			60			58
Expenses for short-term leases			31			30