Consolidated balance sheet - CAD ($) $ in Millions		Mar. 31, 2021		Dec. 31, 2020
Current assets
Cash		$ 1,467	[1]	$ 771
Accounts receivable - net	[2]	2,388		1,919
Inventories of crude oil and products		1,256		1,161
Materials, supplies and prepaid expenses		737		673
Total current assets		5,848		4,524
Investments and long-term receivables	[3]	765		781
Property, plant and equipment,		55,911		55,771
less accumulated depreciation and depletion		(24,211)		(23,737)
Property, plant and equipment, net		31,700		32,034
Goodwill (note 11)		166		166
Other assets, including intangibles - net		528		526
Total assets		39,007		38,031
Current liabilities
Notes and loans payable	[4]	191		227
Accounts payable and accrued liabilities (note 7)	[2]	3,721		3,153
Income taxes payable		21		0
Total current liabilities		3,933		3,380
Long-term debt (note 6)	[5]	4,953		4,957
Other long-term obligations (note 7)		4,094		4,100
Deferred income tax liabilities		4,291		4,176
Total liabilities		17,271		16,613
Shareholders' equity
Common shares at stated value (note 9)	[6]	1,357		1,357
Earnings reinvested		22,281		22,050
Accumulated other comprehensive income (loss) (note 10)		(1,902)		(1,989)
Total shareholders' equity		21,736		21,418
Total liabilities and shareholders' equity		$ 39,007		$ 38,031

[1] Cash is composed of cash in bank and cash equivalents at cost. Cash equivalents are all highly liquid securities with maturity of three months or less when purchased.

[2] Accounts receivable - net included net amounts receivable from related parties of $361 million (2020 - $384 million).

[3] Investments and long-term receivables included amounts from related parties of $300 million (2020 - $313 million).

[4] Notes and loans payable included amounts to related parties of $75 million (2020 - $111 million).

[5] Long-term debt included amounts to related parties of $4,447 million (2020 - $4,447 million).

[6] Number of common shares authorized and outstanding were 1,100 million and 734 million, respectively (2020 - 1,100 million and 734 million, respectively).