QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2022

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	Q1	Q2	Q3	Q4	Total
(unaudited; millions of Canadian dollars, except per share amounts)
2022
Operating revenues	15,097	13,215	11,573	13,424	53,309
Operating income/(loss)	2,420	1,520	1,778	(540)	5,178
Earnings/(loss)	2,057	607	1,383	(1,109)	2,938
Earnings/(loss) attributable to controlling interests	2,029	595	1,362	(983)	3,003
Earnings/(loss) attributable to common shareholders	1,927	450	1,279	(1,067)	2,589
Earnings/(loss) per common share
Basic	0.95	0.22	0.63	(0.53)	1.28
Diluted	0.95	0.22	0.63	(0.53)	1.28
2021
Operating revenues	12,187	10,948	11,466	12,470	47,071
Operating income	2,548	1,816	1,388	2,053	7,805
Earnings	2,014	1,521	814	1,965	6,314
Earnings attributable to controlling interests	1,992	1,484	780	1,933	6,189
Earnings attributable to common shareholders	1,900	1,394	682	1,840	5,816
Earnings per common share
Basic	0.94	0.69	0.34	0.91	2.87
Diluted	0.94	0.69	0.34	0.91	2.87