CONSOLIDATED STATEMENTS OF EARNINGS - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating revenues
Total operating revenues	$ 39,087	$ 50,069	$ 46,378
Operating expenses
Operating and administrative	6,749	6,991	6,792
Depreciation and amortization	3,712	3,391	3,246
Impairment of long-lived assets (Note 8 and Note 11)	0	423	1,104
Impairment of goodwill (Note 8 and Note 16)	0	0	1,019
Total operating expenses	31,130	41,809	41,562
Operating income	7,957	8,260	4,816
Income from equity investments (Note 13)	1,136	1,503	1,509
Impairment of equity investments (Note 13)	(2,351)	0	0
Other income/(expense)
Net foreign currency gain/(loss)	181	477	(522)
Loss on dispositions	(17)	(300)	(46)
Other	74	258	516
Interest expense (Note 18)	(2,790)	(2,663)	(2,703)
Earnings before income taxes	4,190	7,535	3,570
Income tax expense (Note 25)	(774)	(1,708)	(237)
Earnings	3,416	5,827	3,333
Earnings attributable to noncontrolling interests and redeemable noncontrolling interests	(53)	(122)	(451)
Earnings attributable to controlling interests	3,363	5,705	2,882
Preference share dividends	(380)	(383)	(367)
Earnings attributable to common shareholders	$ 2,983	$ 5,322	$ 2,515
Earnings/(loss) per common share attributable to common shareholders (in CAD per share)	$ 1.48	$ 2.64	$ 1.46
Diluted earnings/(loss) per common share attributable to common shareholders (in CAD per share)	$ 1.48	$ 2.63	$ 1.46
Commodity sales / costs
Operating revenues
Total operating revenues	$ 19,259	$ 29,309	$ 27,660
Operating expenses
Operating costs	18,890	28,802	26,818
Gas distribution sales / costs
Operating revenues
Total operating revenues	3,663	4,205	4,360
Operating expenses
Operating costs	1,779	2,202	2,583
Transportation and other services
Operating revenues
Total operating revenues	$ 16,165	$ 16,555	$ 14,358