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Consolidated statement of comprehensive income - CAD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income (loss)	$ 1,173	$ 392
Other comprehensive income (loss), net of income taxes
Postretirement benefits liability adjustment (excluding amortization)	24	54
Amortization of postretirement benefits liability adjustment included in net benefit costs	21	33
Total other comprehensive income (loss)	45	87
Comprehensive income (loss)	$ 1,218	$ 479

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