QUARTERLY FINANCIAL DATA (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information

	Q1	Q2	Q3		Q4		Total
(unaudited; millions of Canadian dollars, except per share amounts)
2018
Operating revenues	12,726	10,745	11,345		11,562		46,378
Operating income	878	1,571	854		1,513		4,816
Earnings	510	1,327	213		1,283		3,333
Earnings attributable to controlling interests	534	1,160	4		1,184		2,882
Earnings/(loss) attributable to common shareholders	445	1,071	(90	)	1,089		2,515
Earnings/(loss) per common share
Basic	0.26	0.63	(0.05	)	0.60		1.46
Diluted	0.26	0.63	(0.05	)	0.60		1.46
20171
Operating revenues	11,146	11,116	9,227		12,889		44,378
Operating income/(loss)	1,358	1,684	1,490		(2,961	)	1,571
Earnings/(loss)	945	1,241	1,015		65		3,266
Earnings/(loss) attributable to controlling interests	721	1,000	847		291		2,859
Earnings/(loss) attributable to common shareholders	638	919	765		207		2,529
Earnings/(loss) per common share
Basic	0.54	0.56	0.47		0.13		1.66
Diluted	0.54	0.56	0.47		0.12		1.65

1 The 2017 quarterly financial data reflects the effect of the Merger Transaction closed on February 27, 2017 (Note 8).