CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - CAD ($) $ in Millions	Total	Preference shares	Common shares	Additional paid-in capital	Deficit	Accumulated other comprehensive loss	Reciprocal shareholding	Total Enbridge Inc. shareholders’ equity	Noncontrolling interests
Balance at the beginning of the period at Dec. 31, 2020		$ 7,747	$ 64,768	$ 277	$ (9,995)	$ (1,401)	$ (29)		$ 2,996
Increase (Decrease) in Stockholders' Equity
Redemption of preference shares		0
Options exercised			4	(3)
Share purchases at stated value			0
Other			0	0
Stock-based compensation				11
Change in reciprocal interest				39			12
Earnings attributable to controlling interests	$ 1,992				1,992
Preference share dividends					(92)
Dividends paid to reciprocal shareholder					3
Share purchases in excess of stated value					0
Other comprehensive loss attributable to common shareholders, net of tax						(274)			(25)
Earnings attributable to noncontrolling interests									22
Change in unrealized gain/(loss) on cash flow hedges									(3)
Foreign currency translation adjustments									(22)
Comprehensive income/(loss) attributable to noncontrolling interests	3								(3)
Distributions									(66)
Contributions									3
Other					(1)				0
Balance at the end of the period at Mar. 31, 2021	$ 65,988	7,747	64,772	324	(8,093)	(1,675)	(17)	$ 63,058	2,930
Increase (Decrease) in Stockholders' Equity
Common stock, dividends per share, paid (in dollars per share)	$ 0.835
Balance at the beginning of the period at Dec. 31, 2021	$ 63,368	7,747	64,799	365	(10,989)	(1,096)	0		2,542
Increase (Decrease) in Stockholders' Equity
Redemption of preference shares		(737)
Options exercised			36	(34)
Share purchases at stated value			(30)
Other			(4)	(28)
Stock-based compensation				13
Change in reciprocal interest				0			0
Earnings attributable to controlling interests	2,029				2,029
Preference share dividends					(102)
Dividends paid to reciprocal shareholder					0
Share purchases in excess of stated value					(20)
Other comprehensive loss attributable to common shareholders, net of tax						(212)			(15)
Earnings attributable to noncontrolling interests									28
Change in unrealized gain/(loss) on cash flow hedges									2
Foreign currency translation adjustments									(17)
Comprehensive income/(loss) attributable to noncontrolling interests	(13)								13
Distributions									(60)
Contributions									6
Other					0				35
Balance at the end of the period at Mar. 31, 2022	$ 64,273	$ 7,010	$ 64,801	$ 316	$ (9,082)	$ (1,308)	$ 0	$ 61,737	$ 2,536
Increase (Decrease) in Stockholders' Equity
Common stock, dividends per share, paid (in dollars per share)	$ 0.860