Consolidated statement of income (U.S. GAAP, unaudited) (Parenthetical) - CAD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Amounts from related parties included in revenues	[1]	$ 12,249	$ 12,057
Amounts to related parties included in purchases of crude oil and products	[2]	7,706	7,478
Amounts to related parties included in financing	[3]	12	16
Related Party
Amounts from related parties included in revenues		2,729	3,136
Amounts to related parties included in purchases of crude oil and products		985	1,078
Amounts to related parties included in production and manufacturing, and selling and general expenses		150	135
Amounts to related parties included in financing		$ 44	$ 39

[1] (a) Amounts from related parties included in revenues.2,729 3,136 

[2] (b) Amounts to related parties included in purchases of crude oil and products.985 1,078 

[3] (d) Amounts to related parties included in financing.44 39