CONSOLIDATED STATEMENTS OF EARNINGS - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Operating revenues
Total operating revenues (Note 3)	$ 10,745	$ 11,116	$ 23,471	$ 22,262
Operating expenses
Commodity costs	6,278	6,489	13,275	13,039
Gas distribution costs	421	429	1,745	1,444
Operating and administrative	1,636	1,646	3,277	3,197
Depreciation and amortization	829	868	1,653	1,540
Asset impairment (Note 6)	10	0	1,072	0
Total operating expenses	9,174	9,432	21,022	19,220
Operating income	1,571	1,684	2,449	3,042
Income from equity investments	363	236	698	472
Other income/(expense)
Net foreign currency gain/(loss)	(43)	112	(228)	107
Other	29	67	94	107
Interest expense	(690)	(565)	(1,346)	(1,051)
Earnings before income taxes	1,230	1,534	1,667	2,677
Income tax recovery/(expense) (Note 12)	97	(293)	170	(491)
Earnings	1,327	1,241	1,837	2,186
Earnings attributable to noncontrolling interests and redeemable noncontrolling interests	(167)	(241)	(143)	(465)
Earnings attributable to controlling interests	1,160	1,000	1,694	1,721
Preference share dividends	(89)	(81)	(178)	(164)
Earnings attributable to common shareholders	$ 1,071	$ 919	$ 1,516	$ 1,557
Earnings per common share attributable to common shareholders (Note 5) (in Canadian dollars per share)	$ 0.63	$ 0.56	$ 0.90	$ 1.11
Diluted earnings per common share attributable to common shareholders (Note 5) (in Canadian dollars per share)	$ 0.63	$ 0.56	$ 0.90	$ 1.10
Commodity sales
Operating revenues
Total operating revenues (Note 3)	$ 6,451	$ 6,620	$ 13,719	$ 13,486
Gas Distribution Revenue
Operating revenues
Total operating revenues (Note 3)	856	847	2,782	2,210
Transportation and other services revenues
Operating revenues
Total operating revenues (Note 3)	$ 3,438	$ 3,649	$ 6,970	$ 6,566