PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2020

PROPERTY PLANT AND EQUIPMENT

Disclosure of changes in property, plant and equipment

($ millions)		Oil and Gas Properties		Plant and Equipment		Total
Cost
At December 31, 2018		37 845		79 029		116 874
	Adoption of IFRS 16	—		1 792		1 792
	Additions	1 245		4 351		5 596
	Changes in decommissioning and restoration	1 846		49		1 895
	Disposals and derecognition	(116	)	(439	)	(555	)
	Foreign exchange adjustments	(224	)	(214	)	(438	)
At December 31, 2019		40 596		84 568		125 164
	Additions	820		2 994		3 814
	Transfers from exploration and evaluation	170		—		170
	Changes in decommissioning and restoration	1 078		3		1 081
	Disposals and derecognition	(9	)	(2 528	)	(2 537	)
	Foreign exchange adjustments	54		(88	)	(34	)
At December 31, 2020		42 709		84 949		127 658
Accumulated provision
At December 31, 2018		(19 783	)	(22 846	)	(42 629	)
	Depreciation, depletion, amortization and impairment	(2 871	)	(7 764	)	(10 635	)
	Disposals and derecognition	116		349		465
	Foreign exchange adjustments	149		126		275
At December 31, 2019		(22 389	)	(30 135	)	(52 524	)
	Depreciation, depletion, amortization and impairment	(3 039	)	(6 166	)	(9 205	)
	Disposals and derecognition	—		2 205		2 205
	Foreign exchange adjustments	(45	)	41		(4	)
At December 31, 2020		(25 473	)	(34 055	)	(59 528	)
Net property, plant and equipment
	December 31, 2019	18 207		54 433		72 640
	December 31, 2020	17 236		50 894		68 130

	December 31, 2020				December 31, 2019
($ millions)	Cost	Accumulated Provision		Net Book Value	Cost	Accumulated Provision		Net Book Value
Oil Sands	86 999	(35 059	)	51 940	85 246	(30 581	)	54 665
Exploration and Production	23 640	(17 424	)	6 216	22 876	(15 298	)	7 578
Refining and Marketing	15 757	(6 547	)	9 210	15 342	(5 768	)	9 574
Corporate and Eliminations	1 262	(498	)	764	1 700	(877	)	823
	127 658	(59 528	)	68 130	125 164	(52 524	)	72 640