Consolidated balance sheet (U.S. GAAP, unaudited) - CAD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents		$ 1,176	$ 864
Accounts receivable - net	[1]	5,204	4,482
Inventories of crude oil and products		2,106	1,944
Materials, supplies and prepaid expenses		1,043	1,008
Total current assets		9,529	8,298
Investments and long-term receivables	[2]	1,082	1,062
Property, plant and equipment,		56,680	56,200
less accumulated depreciation and depletion		(25,841)	(25,365)
Property, plant and equipment, net		30,839	30,835
Goodwill		166	166
Other assets, including intangibles - net		897	838
Total assets		42,513	41,199
Current liabilities
Notes and loans payable		121	121
Accounts payable and accrued liabilities (note 7)	[1]	6,968	6,231
Income taxes payable		17	251
Total current liabilities		7,106	6,603
Long-term debt (note 6)	[3]	4,006	4,011
Other long-term obligations (note 7)		3,860	3,851
Deferred income tax liabilities		4,429	4,512
Total liabilities		19,401	18,977
Shareholders’ equity
Common shares at stated value (note 9)	[4]	992	992
Earnings reinvested		22,781	21,907
Accumulated other comprehensive income (loss) (note 10)		(661)	(677)
Total shareholders’ equity		23,112	22,222
Total liabilities and shareholders’ equity		$ 42,513	$ 41,199

[1] (a) Accounts receivable - net included net amounts receivable from related parties.6961,048

[2] (b) Investments and long-term receivables included amounts from related parties.271283

[3] (c) Long-term debt included amounts to related parties.3,4473,447

[4] (d) Number of common shares authorized (millions).1,1001,100Number of common shares outstanding (millions).536536