PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2019

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, 2017		36 209		78 639		114 848
	Additions	1 221		3 958		5 179
	Transfers from exploration and evaluation	31		—		31
	Acquisitions (notes 32 to 34)	289		948		1 237
	Changes in decommissioning and restoration	85		(22	)	63
	Disposals and derecognition	(375	)	(4 785	)	(5 160	)
	Foreign exchange adjustments	385		291		676
At December 31, 2018		37 845		79 029		116 874
	Adoption of IFRS 16 (note 5)	—		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
Accumulated provision
At December 31, 2017		(17 975	)	(23 380	)	(41 355	)
	Depreciation, depletion, amortization and impairment	(1 739	)	(3 849	)	(5 588	)
	Disposals and derecognition	255		4 545		4 800
	Foreign exchange adjustments	(324	)	(162	)	(486	)
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	)
Net property, plant and equipment
	December 31, 2018	18 062		56 183		74 245
	December 31, 2019	18 207		54 433		72 640

	December 31, 2019				December 31, 2018
($ millions)	Cost	Accumulated Provision		Net Book Value	Cost	Accumulated Provision		Net Book Value
Oil Sands	85 246	(30 581	)	54 665	80 295	(22 654	)	57 641
Exploration and Production	22 876	(15 298	)	7 578	21 867	(14 075	)	7 792
Refining and Marketing	15 342	(5 768	)	9 574	13 627	(5 092	)	8 535
Corporate and Eliminations	1 700	(877	)	823	1 085	(808	)	277
	125 164	(52 524	)	72 640	116 874	(42 629	)	74 245