Consolidated statement of income - CAD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenues and other income
Revenues	[1],[2]	$ 6,992	$ 6,664
Investment and other income (note 3)		6	26
Total revenues and other income		6,998	6,690
Expenses
Exploration		2	1
Purchases of crude oil and products (note 11)	[3]	3,887	4,226
Production and manufacturing	[4]	1,485	1,579
Selling and general	[4]	189	166
Federal excise tax and fuel charge		404	451
Depreciation and depletion (note 11)		494	473
Non-service pension and postretirement benefit		11	30
Financing (note 5)	[5]	14	19
Total expenses		6,486	6,945
Income (loss) before income taxes		512	(255)
Income taxes		120	(67)
Net income (loss)		$ 392	$ (188)
Per share information (Canadian dollars)
Net income (loss) per common share - basic (note 9)		$ 0.53	$ (0.25)
Net income (loss) per common share - diluted (note 9)		$ 0.53	$ (0.25)

[1] Amounts from related parties included in revenues. 1,508 1,736

[2] Included export sales to the United States of $1,569 million (2020 - $1,373 million). Export sales to the United States were recorded in all operating segments, with the largest effects in the Upstream segment.

[3] Amounts to related parties included in purchases of crude oil and products. 515 739

[4] Amounts to related parties included in production and manufacturing, and selling and general expenses. 116 183

[5] Amounts to related parties included in financing, (note 5). 11 24