CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - CAD ($) $ in Millions	Total	Preference shares	Common shares	Additional paid-in capital	Deficit	Accumulated other comprehensive income (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
Stock-based compensation				23
Options exercised			22	(15)
Share purchases at stated value			0
Other			0	0
Change in reciprocal interest				39			12
Earnings attributable to controlling interests	$ 4,256				4,256
Preference share dividends					(280)
Common share dividends declared					(3,384)
Dividends paid to reciprocal shareholder					6
Share purchases in excess of stated value					0
Other comprehensive income attributable to common shareholders, net of tax						41
Earnings attributable to noncontrolling interests									93
Change in unrealized loss on cash flow hedges									(15)
Foreign currency translation adjustments									(10)
Other comprehensive income/(loss) attributable to noncontrolling interests, net of tax									(25)
Comprehensive income attributable to noncontrolling interests	(68)								68
Distributions									(210)
Contributions									13
Redemption of preference shares									(293)
Other									1
Balance at the end of the period at Sep. 30, 2021	$ 64,662	7,747	64,790	324	(9,397)	(1,360)	(17)	$ 62,087	2,575
Increase (Decrease) in Stockholders' Equity
Common stock, dividends per share, paid (in dollars per share)	$ 2.505
Balance at the beginning of the period at Jun. 30, 2021		7,747	64,780	324	(8,388)	(2,420)	(17)		2,870
Increase (Decrease) in Stockholders' Equity
Redemption of preference shares		0
Stock-based compensation				7
Options exercised			10	(7)
Share purchases at stated value			0
Other			0	0
Change in reciprocal interest	$ 0						0
Earnings attributable to controlling interests	780				780
Preference share dividends					(98)
Common share dividends declared					(1,692)
Dividends paid to reciprocal shareholder					1
Share purchases in excess of stated value					0
Other comprehensive income attributable to common shareholders, net of tax						1,060
Earnings attributable to noncontrolling interests									34
Change in unrealized loss on cash flow hedges									(9)
Foreign currency translation adjustments									37
Other comprehensive income/(loss) attributable to noncontrolling interests, net of tax									28
Comprehensive income attributable to noncontrolling interests	(62)								62
Distributions									(67)
Contributions									4
Redemption of preference shares									(293)
Other									(1)
Balance at the end of the period at Sep. 30, 2021	$ 64,662	7,747	64,790	324	(9,397)	(1,360)	(17)	62,087	2,575
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		(929)
Stock-based compensation				27
Options exercised			50	(47)
Share purchases at stated value			(88)
Other			(4)	(33)
Change in reciprocal interest				0			0
Earnings attributable to controlling interests	3,986				3,986
Preference share dividends					(330)
Common share dividends declared					(3,484)
Dividends paid to reciprocal shareholder					0
Share purchases in excess of stated value					(63)
Other comprehensive income attributable to common shareholders, net of tax						4,921
Earnings attributable to noncontrolling interests									61
Change in unrealized loss on cash flow hedges									(14)
Foreign currency translation adjustments									140
Other comprehensive income/(loss) attributable to noncontrolling interests, net of tax									126
Comprehensive income attributable to noncontrolling interests	(187)								187
Distributions									(189)
Contributions									10
Redemption of preference shares									0
Other									48
Balance at the end of the period at Sep. 30, 2022	$ 67,430	6,818	64,757	312	(10,880)	3,825	0	64,832	2,598
Increase (Decrease) in Stockholders' Equity
Common stock, dividends per share, paid (in dollars per share)	$ 2.580
Balance at the beginning of the period at Jun. 30, 2022		6,818	64,755	305	(10,418)	538	0		2,539
Increase (Decrease) in Stockholders' Equity
Redemption of preference shares		0
Stock-based compensation				9
Options exercised			2	(2)
Share purchases at stated value			0
Other			0	0
Change in reciprocal interest				0			0
Earnings attributable to controlling interests	$ 1,362				1,362
Preference share dividends					(83)
Common share dividends declared					(1,741)
Dividends paid to reciprocal shareholder					0
Share purchases in excess of stated value					0
Other comprehensive income attributable to common shareholders, net of tax						3,287
Earnings attributable to noncontrolling interests									21
Change in unrealized loss on cash flow hedges									(8)
Foreign currency translation adjustments									103
Other comprehensive income/(loss) attributable to noncontrolling interests, net of tax									95
Comprehensive income attributable to noncontrolling interests	(116)								116
Distributions									(62)
Contributions									2
Redemption of preference shares									0
Other									3
Balance at the end of the period at Sep. 30, 2022	$ 67,430	$ 6,818	$ 64,757	$ 312	$ (10,880)	$ 3,825	$ 0	$ 64,832	$ 2,598
Increase (Decrease) in Stockholders' Equity
Common stock, dividends per share, paid (in dollars per share)	$ 0.860