XML 93 R63.htm IDEA: XBRL DOCUMENT

Right of Use Assets (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of leases [Abstract]

Disclosure of quantitative information about right-of-use assets

A reconciliation of the changes in the carrying amount of the right-of-use assets is as follows:


			Land			Buildings			Vehicles			Equipment			Pipeline			Total



As at Dec. 31, 2019			58			16			2			25			45			146
Additions			3			13			—			—			—			16
Depreciation			(3)			(5)			(1)			(9)			(3)			(21)


As at Dec. 31, 2020			58			24			1			16			42			141
Additions			—			1			—			—			—			1
Acquisitions (Note 4)			13			—			—			—			—			13
Depreciation			(3)			(5)			—			(2)			(1)			(11)
Disposal of assets (Note 4)			—			—			—			—			(41)			(41)

Transfers			—			—			—			(8)			—			(8)
As at Dec. 31, 2021			68			20			1			6			—			95