QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2023

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	Q1	Q2	Q3	Q4	Total
(unaudited; millions of Canadian dollars, except per share amounts)
2023
Operating revenues	12,075	10,432	9,844	11,298	43,649
Operating income	2,662	2,350	1,794	1,845	8,651
Earnings	1,866	2,001	623	1,568	6,058
Earnings attributable to controlling interests	1,817	1,935	621	1,818	6,191
Earnings attributable to common shareholders	1,733	1,848	532	1,726	5,839
Earnings per common share
Basic	0.86	0.91	0.26	0.81	2.84
Diluted	0.85	0.91	0.26	0.81	2.84
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