INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - CAD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 891	$ 472	$ 2,246	$ 2,320
Net gain (loss) in foreign currency translation adjustments, net of hedging activities	1,565	(17)	1,948	3
Change in derivatives designated as cash flow hedges	2	141	5	69
Change in pension and post-retirement defined benefit plans	22	53	99	158
Equity Accounted Investments	47	0	182	0
Other comprehensive income before income taxes	1,636	177	2,234	230
Income tax recovery (expense) on above items	36	(29)	2	(59)
Other comprehensive income (loss)	1,672	148	2,236	171
Comprehensive income	$ 2,563	$ 620	$ 4,482	$ 2,491