10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2021

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from            to           

Commission file number 1-10934

ENBRIDGE INC.
(Exact Name of Registrant as Specified in Its Charter)

Canada	98-0377957
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

200, 425 - 1st Street S.W.

Calgary, Alberta, Canada T2P 3L8

(Address of Principal Executive Offices) (Zip Code)

(403) 231-3900

(Registrant’s Telephone Number, Including Area Code)

_______________________________

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares	ENB	New York Stock Exchange
6.375% Fixed-to-Floating Rate Subordinated Notes Series 2018-B due 2078	ENBA	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No x

The registrant had 2,025,755,195 common shares outstanding as at July 23, 2021.

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		Page
	PART I
Item 1.	Financial Statements	6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	35
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	59
Item 4.	Controls and Procedures	59
	PART II
Item 1.	Legal Proceedings	60
Item 1A.	Risk Factors	60
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	60
Item 3.	Defaults Upon Senior Securities	60
Item 4.	Mine Safety Disclosures	60
Item 5.	Other Information	60
Item 6.	Exhibits	61
	Signatures	62

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GLOSSARY

AOCI	Accumulated other comprehensive income/(loss)
Army Corps	United States Army Corps of Engineers
ASU	Accounting Standards Update
CPP Investments	Canada Pension Plan Investment Board
DAPL	Dakota Access Pipeline
DCP Midstream	DCP Midstream, LLC
EBITDA	Earnings before interest, income taxes and depreciation and amortization
EEP	Enbridge Energy Partners, L.P.
EIS	Environmental Impact Statement
EMF	Éolien Maritime France SAS
Enbridge	Enbridge Inc.
Enbridge Gas	Enbridge Gas Inc.
Exchange Act	United States Securities Exchange Act of 1934, as amended
FERC	Federal Energy Regulatory Commission
MW	Megawatts
NGL	Natural gas liquids
Noverco	Noverco Inc.
SEP	Spectra Energy Partners, LP
the Straits	Straits of Mackinac
the State	State of Michigan
OCI	Other comprehensive income/(loss)
OEB	Ontario Energy Board
OPEB	Other postretirement benefit obligations
Texas Eastern	Texas Eastern Transmission, LP
US L3R Program	United States portion of the Line 3 Replacement Program

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CONVENTIONS

The terms "we", "our", "us" and "Enbridge" as used in this report refer collectively to Enbridge Inc. unless the context suggests otherwise. These terms are used for convenience only and are not intended as a precise description of any separate legal entity within Enbridge.

Unless otherwise specified, all dollar amounts are expressed in Canadian dollars, all references to “dollars”, “$” or “C$” are to Canadian dollars and all references to “US$” are to United States (US) dollars. All amounts are provided on a before tax basis, unless otherwise stated.

FORWARD-LOOKING INFORMATION

Forward-looking information, or forward-looking statements, have been included in this quarterly report on Form 10-Q to provide information about us and our subsidiaries and affiliates, including management’s assessment of our and our subsidiaries’ future plans and operations. This information may not be appropriate for other purposes. Forward-looking statements are typically identified by words such as ‘‘anticipate”, “believe”, “estimate”, “expect”, “forecast”, “intend”, “likely”, “plan”, “project”, “target” and similar words suggesting future outcomes or statements regarding an outlook. Forward-looking information or statements included or incorporated by reference in this document include, but are not limited to, statements with respect to the following: our corporate vision and strategy, including strategic priorities and enablers; the COVID-19 pandemic and the duration and impact thereof; energy intensity and emissions reduction targets and related environment, social and governance matters; diversity and inclusion goals; expected supply of, demand for and prices of crude oil, natural gas, natural gas liquids (NGL), liquified natural gas (LNG) and renewable energy; energy transition; anticipated utilization of our existing assets; expected earnings before interest, income taxes and depreciation and amortization (EBITDA); expected earnings/(loss); expected future cash flows and distributable cash flow; dividend growth and payout policy; financial strength and flexibility; expectations on sources of liquidity and sufficiency of financial resources; expected strategic priorities and performance of the Liquids Pipelines, Gas Transmission and Midstream, Gas Distribution and Storage, Renewable Power Generation and Energy Services businesses; expected costs related to announced projects and projects under construction; expected in-service dates for announced projects and projects under construction and for maintenance; expected capital expenditures, investment capacity and capital allocation priorities; expected equity funding requirements for our commercially secured growth program; expected future growth and expansion opportunities; expectations about our joint venture partners’ ability to complete and finance projects under construction; expected closing of acquisitions and dispositions and the timing thereof; expected benefits of transactions, including the realization of efficiencies, synergies and cost savings; expected future actions of regulators and courts; toll and rate cases discussions and filings, including Mainline System contracting; anticipated competition; US Line 3 Replacement Program (US L3R Program), including anticipated in-service dates and capital costs; and Line 5 dual pipelines and related litigation and other matters.

Although we believe these forward-looking statements are reasonable based on the information available on the date such statements are made and processes used to prepare the information, such statements are not guarantees of future performance and readers are cautioned against placing undue reliance on forward-looking statements. By their nature, these statements involve a variety of assumptions, known and unknown risks and uncertainties and other factors, which may cause actual results, levels of activity and achievements to differ materially from those expressed or implied by such statements. Material assumptions include assumptions about the following: the COVID-19 pandemic and the duration and impact thereof; the expected supply of and demand for crude oil, natural gas, NGL and renewable energy; prices of crude oil, natural gas, NGL and renewable energy; anticipated utilization of assets; exchange rates; inflation; interest rates; availability and price of labor and construction materials; operational reliability; customer and regulatory approvals; maintenance of support and regulatory approvals for our projects; anticipated in-service dates; weather; the timing and closing of acquisitions and dispositions; the realization of anticipated benefits and synergies of transactions; governmental legislation; litigation; estimated future dividends and impact of our dividend policy on our future cash flows; our credit ratings; capital project funding; hedging program; expected EBITDA; expected earnings/(loss); expected future cash flows; and expected distributable cash flow. Assumptions regarding the expected supply of and demand for crude oil, natural gas, NGL and renewable energy, and the prices of these commodities, are material to and underlie all forward-looking statements, as they may impact current and future levels of demand for our services. Similarly, exchange rates, inflation and interest rates and the COVID-19 pandemic impact the economies and business environments in which we operate and may impact levels of demand for our services and cost of inputs, and are therefore inherent in all forward-looking statements. Due to the interdependencies and correlation of these macroeconomic factors, the impact of any one assumption on a forward-looking statement cannot be determined with certainty, particularly with respect to expected EBITDA, expected

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earnings/(loss), expected future cash flows, expected distributable cash flow or estimated future dividends. The most relevant assumptions associated with forward-looking statements regarding announced projects and projects under construction, including estimated completion dates and expected capital expenditures, include the following: the availability and price of labor and construction materials; the effects of inflation and foreign exchange rates on labor and material costs; the effects of interest rates on borrowing costs; the impact of weather and customer, government, court and regulatory approvals on construction and in-service schedules and cost recovery regimes; and the COVID-19 pandemic and the duration and impact thereof.

Our forward-looking statements are subject to risks and uncertainties pertaining to the successful execution of our strategic priorities, operating performance, legislative and regulatory parameters; litigation, including with respect to the US L3R Program, Dakota Access Pipeline (DAPL) and Line 5 dual pipelines; acquisitions, dispositions and other transactions and the realization of anticipated benefits therefrom; our dividend policy; project approval and support; renewals of rights-of-way; weather; economic and competitive conditions; public opinion; changes in tax laws and tax rates; exchange rates; interest rates; commodity prices; political decisions; the supply of, demand for and prices of commodities; and the COVID-19 pandemic, including but not limited to those risks and uncertainties discussed in this quarterly report on Form 10-Q and in our other filings with Canadian and US securities regulators. The impact of any one risk, uncertainty or factor on a particular forward-looking statement is not determinable with certainty as these are interdependent and our future course of action depends on management’s assessment of all information available at the relevant time. Except to the extent required by applicable law, Enbridge assumes no obligation to publicly update or revise any forward-looking statement made in this quarterly report on Form 10-Q or otherwise, whether as a result of new information, future events or otherwise. All forward-looking statements, whether written or oral, attributable to us or persons acting on our behalf, are expressly qualified in their entirety by these cautionary statements.

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PART I - FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

ENBRIDGE INC.

CONSOLIDATED STATEMENTS OF EARNINGS

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(unaudited; millions of Canadian dollars, except per share amounts)
Operating revenues
Commodity sales	6,334	2,936	12,763	10,325
Transportation and other services	3,877	4,326	8,045	7,534
Gas distribution sales	737	694	2,277	2,110
Total operating revenues (Note 3)	10,948	7,956	23,085	19,969
Operating expenses
Commodity costs	6,430	2,858	12,628	10,021
Gas distribution costs	289	250	1,239	1,105
Operating and administrative	1,484	1,801	3,043	3,401
Depreciation and amortization	929	949	1,861	1,831
Total operating expenses	9,132	5,858	18,771	16,358
Operating income	1,816	2,098	4,314	3,611
Income from equity investments	352	327	747	490
Impairment of equity investments (Note 8)	—	—	—	(1,736)
Other income/(expense)
Net foreign currency gain/(loss)	159	526	311	(430)
Other	82	98	191	(93)
Interest expense	(618)	(681)	(1,275)	(1,387)
Earnings before income taxes	1,791	2,368	4,288	455
Income tax expense (Note 10)	(270)	(591)	(753)	(42)
Earnings	1,521	1,777	3,535	413
Earnings attributable to noncontrolling interests	(37)	(36)	(59)	(5)
Earnings attributable to controlling interests	1,484	1,741	3,476	408
Preference share dividends	(90)	(94)	(182)	(190)
Earnings attributable to common shareholders	1,394	1,647	3,294	218
Earnings per common share attributable to common shareholders (Note 5)	0.69	0.82	1.63	0.11
Diluted earnings per common share attributable to common shareholders (Note 5)	0.69	0.82	1.63	0.11

    

The accompanying notes are an integral part of these interim consolidated financial statements.

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ENBRIDGE INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(unaudited; millions of Canadian dollars)
Earnings	1,521	1,777	3,535	413
Other comprehensive income/(loss), net of tax
Change in unrealized gain/(loss) on cash flow hedges	(157)	(48)	213	(561)
Change in unrealized gain/(loss) on net investment hedges	129	340	222	(375)
Other comprehensive income from equity investees	24	30	2	20
Excluded components of fair value hedges	(1)	5	(2)	8
Reclassification to earnings of loss on cash flow hedges	61	48	113	80
Reclassification to earnings of pension and other postretirement benefits (OPEB) amounts	6	4	11	7
Foreign currency translation adjustments	(835)	(2,701)	(1,631)	2,936
Other comprehensive income/(loss), net of tax	(773)	(2,322)	(1,072)	2,115
Comprehensive income/(loss)	748	(545)	2,463	2,528
Comprehensive (income)/loss attributable to noncontrolling interests	(9)	50	(6)	(95)
Comprehensive income/(loss) attributable to controlling interests	739	(495)	2,457	2,433
Preference share dividends	(90)	(94)	(182)	(190)
Comprehensive income/(loss) attributable to common shareholders	649	(589)	2,275	2,243

The accompanying notes are an integral part of these interim consolidated financial statements.

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ENBRIDGE INC.

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(unaudited; millions of Canadian dollars, except per share amounts)
Preference shares
Balance at beginning and end of period	7,747	7,747	7,747	7,747
Common shares
Balance at beginning of period	64,772	64,760	64,768	64,746
Shares issued on exercise of stock options	8	3	12	17
Balance at end of period	64,780	64,763	64,780	64,763
Additional paid-in capital
Balance at beginning of period	324	202	277	187
Stock-based compensation	5	5	16	19
Options exercised	(5)	(2)	(8)	(18)
Change in reciprocal interest	—	—	39	12
Other	—	2	—	7
Balance at end of period	324	207	324	207
Deficit
Balance at beginning of period	(8,093)	(7,808)	(9,995)	(6,314)
Earnings attributable to controlling interests	1,484	1,741	3,476	408
Preference share dividends	(90)	(94)	(182)	(190)
Dividends paid to reciprocal shareholder	2	5	5	10
Common share dividends declared	(1,692)	(1,641)	(1,692)	(1,641)
Modified retrospective adoption of ASU 2016-13 Financial Instruments - Credit Losses	—	—	—	(66)
Other	1	—	—	(4)
Balance at end of period	(8,388)	(7,797)	(8,388)	(7,797)
Accumulated other comprehensive income/(loss) (Note 7)
Balance at beginning of period	(1,675)	3,989	(1,401)	(272)
Other comprehensive income/(loss) attributable to common shareholders, net of tax	(745)	(2,236)	(1,019)	2,025
Balance at end of period	(2,420)	1,753	(2,420)	1,753
Reciprocal shareholding
Balance at beginning of period	(17)	(47)	(29)	(51)
Change in reciprocal interest	—	—	12	4
Balance at end of period	(17)	(47)	(17)	(47)
Total Enbridge Inc. shareholders’ equity	62,026	66,626	62,026	66,626
Noncontrolling interests
Balance at beginning of period	2,930	3,448	2,996	3,364
Earnings attributable to noncontrolling interests	37	36	59	5
Other comprehensive income/(loss) attributable to noncontrolling interests, net of tax
Change in unrealized loss on cash flow hedges	(3)	(1)	(6)	(3)
Foreign currency translation adjustments	(25)	(85)	(47)	93
Contributions	6	5	9	20
Distributions	(77)	(88)	(143)	(164)
Other	2	—	2	—
Balance at end of period	2,870	3,315	2,870	3,315
Total equity	64,896	69,941	64,896	69,941
Dividends paid per common share	0.835	0.810	1.670	1.620

The accompanying notes are an integral part of these interim consolidated financial statements.

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ENBRIDGE INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

	Six months ended June 30,
	2021	2020
(unaudited; millions of Canadian dollars)
Operating activities
Earnings	3,535	413
Adjustments to reconcile earnings to net cash provided by operating activities:
Depreciation and amortization	1,861	1,831
Deferred income tax expense/(recovery)	647	(223)
Changes in unrealized (gain)/loss on derivative instruments, net (Note 9)	(448)	824
Income from equity investments	(747)	(490)
Distributions from equity investments	737	821
Impairment of equity investments (Note 8)	—	1,736
Gain on disposition	(41)	—
Other	(128)	210
Changes in operating assets and liabilities	(625)	103
Net cash provided by operating activities	4,791	5,225
Investing activities
Capital expenditures	(3,463)	(2,352)
Long-term investments and restricted long-term investments	(155)	(335)
Distributions from equity investments in excess of cumulative earnings	246	253
Additions to intangible assets	(118)	(104)
Proceeds from disposition	122	245
Affiliate loans, net	29	27
Net cash used in investing activities	(3,339)	(2,266)
Financing activities
Net change in short-term borrowings	289	(543)
Net change in commercial paper and credit facility draws	739	854
Debenture and term note issues, net of issue costs	3,247	3,479
Debenture and term note repayments	(1,888)	(3,268)
Contributions from noncontrolling interests	9	20
Distributions to noncontrolling interests	(143)	(164)
Common shares issued	3	3
Preference share dividends	(182)	(190)
Common share dividends	(3,382)	(3,280)
Redemption of preferred shares held by subsidiary	(115)	—
Other	(40)	(35)
Net cash used in financing activities	(1,463)	(3,124)
Effect of translation of foreign denominated cash and cash equivalents and restricted cash	(20)	(14)
Net decrease in cash and cash equivalents and restricted cash	(31)	(179)
Cash and cash equivalents and restricted cash at beginning of period	490	676
Cash and cash equivalents and restricted cash at end of period	459	497

The accompanying notes are an integral part of these interim consolidated financial statements.

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ENBRIDGE INC.

CONSOLIDATED STATEMENTS OF FINANCIAL POSITION

	June 30, 2021	December 31, 2020
(unaudited; millions of Canadian dollars; number of shares in millions)
Assets
Current assets
Cash and cash equivalents	374	452
Restricted cash	85	38
Accounts receivable and other	6,108	5,258
Accounts receivable from affiliates	115	66
Inventory	1,480	1,536
	8,162	7,350
Property, plant and equipment, net	95,273	94,571
Long-term investments	13,358	13,818
Restricted long-term investments	573	553
Deferred amounts and other assets	8,576	8,446
Intangible assets, net	2,204	2,080
Goodwill	32,014	32,688
Deferred income taxes	567	770
Total assets	160,727	160,276
Liabilities and equity
Current liabilities
Short-term borrowings	1,410	1,121
Accounts payable and other	7,683	9,228
Accounts payable to affiliates	99	22
Interest payable	619	651
Current portion of long-term debt	3,739	2,957
	13,550	13,979
Long-term debt	63,090	62,819
Other long-term liabilities	8,238	8,783
Deferred income taxes	10,953	10,332
	95,831	95,913
Contingencies (Note 12)
Equity
Share capital
Preference shares	7,747	7,747
Common shares (2,026 outstanding at June 30, 2021 and December 31, 2020)	64,780	64,768
Additional paid-in capital	324	277
Deficit	(8,388)	(9,995)
Accumulated other comprehensive loss (Note 7)	(2,420)	(1,401)
Reciprocal shareholding	(17)	(29)
Total Enbridge Inc. shareholders’ equity	62,026	61,367
Noncontrolling interests	2,870	2,996
	64,896	64,363
Total liabilities and equity	160,727	160,276

The accompanying notes are an integral part of these interim consolidated financial statements.

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NOTES TO THE INTERIM CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

1. BASIS OF PRESENTATION

The accompanying unaudited interim consolidated financial statements of Enbridge Inc. ("we", "our", "us" and "Enbridge") have been prepared in accordance with generally accepted accounting principles in the United States of America (US GAAP) and Regulation S-X for interim consolidated financial information. They do not include all of the information and notes required by US GAAP for annual consolidated financial statements and should therefore be read in conjunction with our audited consolidated financial statements and notes for the year ended December 31, 2020. In the opinion of management, the interim consolidated financial statements contain all normal recurring adjustments necessary to present fairly our financial position, results of operations and cash flows for the interim periods reported. These interim consolidated financial statements follow the same significant accounting policies as those included in our audited consolidated financial statements for the year ended December 31, 2020, except for the adoption of new standards (Note 2). Amounts are stated in Canadian dollars unless otherwise noted.

Our operations and earnings for interim periods can be affected by seasonal fluctuations within the gas distribution utility businesses, as well as other factors such as the supply of and demand for crude oil and natural gas, and may not be indicative of annual results.

2. CHANGES IN ACCOUNTING POLICIES

ADOPTION OF NEW ACCOUNTING STANDARDS

Reference Rate Reform

For eligible hedging relationships existing as at January 1, 2021 and prospectively, we have applied the optional expedient in Accounting Standards Update (ASU) 2020-04 whereby the modification of the hedging instrument does not result in an automatic hedging relationship de-designation. The adoption of this ASU did not have a material impact on our consolidated financial statements.

Clarifying Interaction Between Equity Securities, Equity Method Investments and Derivatives

Effective January 1, 2021, we adopted ASU 2020-01 on a prospective basis. The new standard was issued in January 2020 and clarifies that observable transactions should be considered for the purpose of applying the measurement alternative in accordance with Accounting Standards Codification (ASC) 321 Investments - Equity Securities immediately before the application or upon discontinuance of the equity method of accounting. Furthermore, the ASU clarifies that forward contracts or purchased options on equity securities are not out of scope of ASC 815 Derivatives and Hedging guidance only because, upon the contracts’ exercise, the equity securities could be accounted for under the equity method of accounting or fair value option. The adoption of this ASU did not have a material impact on our consolidated financial statements.

Accounting for Income Taxes

Effective January 1, 2021, we adopted ASU 2019-12 on a prospective basis. The new standard was issued in December 2019 with the intent of simplifying the accounting for income taxes. The accounting update removes certain exceptions to the general principles in ASC 740 Income Taxes as well as provides simplification by clarifying and amending existing guidance. The adoption of this ASU did not have a material impact on our consolidated financial statements.

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FUTURE ACCOUNTING POLICY CHANGES

Accounting for Certain Lessor Leases with Variable Lease Payments

ASU 2021-05 was issued in July 2021 to amend lessor accounting for certain leases with variable lease payments that do not depend on a reference index or a rate and would have resulted in the recognition of a loss at lease commencement if classified as a sales-type or a direct financing lease. The ASU amends the classification requirements of such leases for lessors to result in an operating lease classification. ASU 2021-05 is effective January 1, 2022 and can be applied either retrospectively or prospectively with early adoption permitted. We are currently assessing the impact of the new standard on our consolidated financial statements.

Accounting for Modifications or Exchanges of Certain Equity-Classified Contracts

ASU 2021-04 was issued in May 2021 to clarify issuer accounting for modifications or exchanges of freestanding equity-classified written call options that remain equity classified after modification or exchange. The ASU requires an issuer to determine the accounting for the modification or exchange based on the economic substance of the modification or exchange. ASU 2021-04 is effective January 1, 2022 and should be applied prospectively. We are currently assessing the impact of the new standard on our consolidated financial statements.

Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity

ASU 2020-06 was issued in August 2020 to simplify accounting for certain financial instruments. The ASU eliminates the current models that require separation of beneficial conversion and cash conversion features from convertible instruments and simplifies the derivative scope exception guidance pertaining to equity classification of contracts in an entity’s own equity. The ASU also introduces additional disclosures for convertible debt and freestanding instruments that are indexed to and settled in an entity’s own equity. The ASU amends the diluted earnings per share guidance, including the requirement to use if-converted method for all convertible instruments and an update for instruments that can be settled in either cash or shares. ASU 2020-06 is effective January 1, 2022 and should be applied on a full or modified retrospective basis. We are currently assessing the impact of the new standard on our consolidated financial statements.

3. REVENUES

REVENUE FROM CONTRACTS WITH CUSTOMERS

Major Products and Services

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Transportation revenue	2,157	1,046	150	—	—	—	3,353
Storage and other revenue	37	63	51	—	—	—	151
Gas gathering and processing revenue	—	10	—	—	—	—	10
Gas distribution revenue	—	—	725	—	—	—	725
Electricity and transmission revenue	—	—	—	55	—	—	55
Total revenue from contracts with customers	2,194	1,119	926	55	—	—	4,294
Commodity sales	—	—	—	—	6,334	—	6,334
Other revenue1,2	215	9	12	77	1	6	320
Intersegment revenue	138	—	15	—	10	(163)	—
Total revenue	2,547	1,128	953	132	6,345	(157)	10,948

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	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Transportation revenue	2,141	1,126	151	—	—	—	3,418
Storage and other revenue	24	66	56	—	—	—	146
Gas gathering and processing revenue	—	5	—	—	—	—	5
Gas distribution revenue	—	—	686	—	—	—	686
Electricity and transmission revenue	—	—	—	54	—	—	54
Total revenue from contracts with customers	2,165	1,197	893	54	—	—	4,309
Commodity sales	—	—	—	—	2,936	—	2,936
Other revenue1,2	598	5	8	96	11	(7)	711
Intersegment revenue	182	1	2	—	2	(187)	—
Total revenue	2,945	1,203	903	150	2,949	(194)	7,956

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Transportation revenue	4,486	2,167	366	—	—	—	7,019
Storage and other revenue	63	137	109	—	—	—	309
Gas gathering and processing revenue	—	17	—	—	—	—	17
Gas distribution revenue	—	—	2,259	—	—	—	2,259
Electricity and transmission revenue	—	—	—	81	—	—	81
Total revenue from contracts with customers	4,549	2,321	2,734	81	—	—	9,685
Commodity sales	—	—	—	—	12,763	—	12,763
Other revenue1,2	427	21	18	168	1	2	637
Intersegment revenue	270	—	24	—	14	(308)	—
Total revenue	5,246	2,342	2,776	249	12,778	(306)	23,085

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	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Transportation revenue	4,581	2,381	366	—	—	—	7,328
Storage and other revenue	50	145	103	—	—	—	298
Gas gathering and processing revenue	—	12	—	—	—	—	12
Gas distribution revenue	—	—	2,103	—	—	—	2,103
Electricity and transmission revenue	—	—	—	104	—	—	104
Total revenue from contracts with customers	4,631	2,538	2,572	104	—	—	9,845
Commodity sales	—	—	—	—	10,325	—	10,325
Other revenue1,2	(419)	21	7	199	4	(13)	(201)
Intersegment revenue	267	1	6	—	18	(292)	—
Total revenue	4,479	2,560	2,585	303	10,347	(305)	19,969

1 Includes mark-to-market gains from our hedging program for the three months ended June 30, 2021 and 2020 of $131 million and $531 million, respectively. For the six months ended June 30, 2021 and 2020, other revenue includes a $261 million mark-to-market gain and $575 million mark-to-market loss, respectively.

2 Includes revenues from lease contracts for the three months ended June 30, 2021 and 2020 of $143 million and $157 million, respectively and for the six months ended June 30, 2021 and 2020 of $302 million and $315 million, respectively.

We disaggregate revenues into categories which represent our principal performance obligations within each business segment. These revenue categories represent the most significant revenue streams in each segment and consequently are considered to be the most relevant revenue information for management to consider in evaluating performance.

Contract Balances

	Contract Receivables	Contract Assets	Contract Liabilities
(millions of Canadian dollars)
Balance as at June 30, 2021	1,755	213	1,708
Balance as at December 31, 2020	2,042	226	1,815

Contract receivables represent the amount of receivables derived from contracts with customers.

Contract assets represent the amount of revenues which have been recognized in advance of payments received for performance obligations we have fulfilled (or partially fulfilled) and prior to the point in time at which our right to payment is unconditional. Amounts included in contract assets are transferred to accounts receivable when our right to receive the consideration becomes unconditional.

Contract liabilities represent payments received for performance obligations which have not been fulfilled. Contract liabilities primarily relate to make-up rights and deferred revenues. Revenue recognized during the three and six months ended June 30, 2021 included in contract liabilities at the beginning of the period was $80 million and $225 million, respectively. Increases in contract liabilities from cash received, net of amounts recognized as revenues, during the three and six months ended June 30, 2021 were $76 million and $145 million, respectively.

Performance Obligations

There were no material revenues recognized in the three and six months ended June 30, 2021 from performance obligations satisfied in previous periods.

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Revenues to be Recognized from Unfulfilled Performance Obligations

Total revenues from performance obligations expected to be fulfilled in future periods is $55.2 billion, of which $3.3 billion and $5.6 billion are expected to be recognized during the remaining six months ending December 31, 2021 and the year ending December 31, 2022, respectively.

The revenues excluded from the amounts above based on optional exemptions available under ASC 606, as explained below, represent a significant portion of our overall revenues and revenue from contracts with customers. Certain revenues such as flow-through operating costs charged to shippers are recognized at the amount for which we have the right to invoice our customers and are excluded from the amounts for revenues to be recognized in the future from unfulfilled performance obligations above. Variable consideration is excluded from the amounts above due to the uncertainty of the associated consideration, which is generally resolved when actual volumes and prices are determined. For example, we consider interruptible transportation service revenues to be variable revenues since volumes cannot be estimated. Additionally, the effect of escalation on certain tolls which are contractually escalated for inflation has not been reflected in the amounts above as it is not possible to reliably estimate future inflation rates. Revenues for periods extending beyond the current rate settlement term for regulated contracts where the tolls are periodically reset by the regulator are excluded from the amounts above since future tolls remain unknown. Finally, revenue from contracts with customers which have an original expected duration of one year or less are excluded from the amounts above.

Recognition and Measurement of Revenues

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	17	—	17
Revenues from products and services transferred over time1	2,194	1,119	909	55	4,277
Total revenue from contracts with customers	2,194	1,119	926	55	4,294

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	15	—	15
Revenues from products and services transferred over time1	2,165	1,197	878	54	4,294
Total revenue from contracts with customers	2,165	1,197	893	54	4,309

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	34	—	34
Revenues from products and services transferred over time1	4,549	2,321	2,700	81	9,651
Total revenue from contracts with customers	4,549	2,321	2,734	81	9,685

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	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	30	—	30
Revenues from products and services transferred over time1	4,631	2,538	2,542	104	9,815
Total revenue from contracts with customers	4,631	2,538	2,572	104	9,845

1     Includes revenues from crude oil and natural gas pipeline transportation, storage, natural gas gathering, compression and treating, natural gas distribution, natural gas storage services and electricity sales.

4. SEGMENTED INFORMATION

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Revenues	2,547	1,128	953	132	6,345	(157)	10,948
Commodity and gas distribution costs	(7)	—	(299)	—	(6,567)	154	(6,719)
Operating and administrative	(673)	(424)	(242)	(37)	(9)	(99)	(1,484)
Income from equity investments	180	132	27	13	—	—	352
Other income/(expense)	(3)	32	19	7	(8)	194	241
Earnings/(loss) before interest, income taxes, and depreciation and amortization	2,044	868	458	115	(239)	92	3,338
Depreciation and amortization							(929)
Interest expense							(618)
Income tax expense							(270)
Earnings							1,521
Capital expenditures1	567	547	300	2	—	9	1,425

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Revenues	2,945	1,203	903	150	2,949	(194)	7,956
Commodity and gas distribution costs	(1)	—	(254)	—	(3,021)	168	(3,108)
Operating and administrative	(782)	(438)	(269)	(37)	(29)	(246)	(1,801)
Income/(loss) from equity investments	148	168	(8)	21	(2)	—	327
Other income	30	17	11	29	4	533	624
Earnings/(loss) before interest, income taxes, and depreciation and amortization	2,340	950	383	163	(99)	261	3,998
Depreciation and amortization							(949)
Interest expense							(681)
Income tax expense							(591)
Earnings							1,777
Capital expenditures1	561	429	204	7	1	19	1,221

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	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Revenues	5,246	2,342	2,776	249	12,778	(306)	23,085
Commodity and gas distribution costs	(10)	—	(1,257)	—	(12,920)	320	(13,867)
Operating and administrative	(1,492)	(858)	(514)	(80)	(23)	(76)	(3,043)
Income from equity investments	334	314	49	50	—	—	747
Other income/(expense)	5	43	38	52	(10)	374	502
Earnings/(loss) before interest, income taxes, and depreciation and amortization	4,083	1,841	1,092	271	(175)	312	7,424
Depreciation and amortization							(1,861)
Interest expense							(1,275)
Income tax expense							(753)
Earnings							3,535
Capital expenditures1	1,923	1,029	519	7	—	21	3,499

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Revenues	4,479	2,560	2,585	303	10,347	(305)	19,969
Commodity and gas distribution costs	(8)	—	(1,126)	—	(10,264)	272	(11,126)
Operating and administrative	(1,647)	(945)	(518)	(87)	(57)	(147)	(3,401)
Income from equity investments	345	93	15	37	—	—	490
Impairment of equity investments	—	(1,736)	—	—	—	—	(1,736)
Other income/(expense)	21	(76)	31	30	(4)	(525)	(523)
Earnings/(loss) before interest, income taxes, and depreciation and amortization	3,190	(104)	987	283	22	(705)	3,673
Depreciation and amortization							(1,831)
Interest expense							(1,387)
Income tax expense							(42)
Earnings							413
Capital expenditures1	1,061	820	426	30	1	41	2,379

1 Includes allowance for equity funds used during construction.

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5. EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE

BASIC

Earnings per common share is calculated by dividing earnings attributable to common shareholders by the weighted average number of common shares outstanding. The weighted average number of common shares outstanding has been reduced by our pro-rata weighted average interest in our own common shares of approximately 2 million and 3 million for the three and six months ended June 30, 2021, respectively, compared to 6 million for the three and six months ended June 30, 2020, resulting from our reciprocal investment in Noverco Inc. (Noverco).

DILUTED

The treasury stock method is used to determine the dilutive impact of stock options. This method assumes any proceeds from the exercise of stock options would be used to purchase common shares at the average market price during the period.

Weighted average shares outstanding used to calculate basic and diluted earnings per share are as follows:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(number of shares in millions)
Weighted average shares outstanding	2,024	2,019	2,023	2,019
Effect of dilutive options	2	1	1	2
Diluted weighted average shares outstanding	2,026	2,020	2,024	2,021

For the three months ended June 30, 2021 and 2020, 20.5 million and 34.6 million, respectively, of anti-dilutive stock options with a weighted average exercise price of $50.66 and $51.00, respectively, were excluded from the diluted earnings per common share calculation.

For the six months ended June 30, 2021 and 2020, 24.0 million and 25.7 million, respectively, of anti-dilutive stock options with a weighted average exercise price of $51.10 and $52.71, respectively, were excluded from the diluted earnings per common share calculation.

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DIVIDENDS PER SHARE

On July 27, 2021, our Board of Directors declared the following quarterly dividends. All dividends are payable on September 1, 2021 to shareholders of record on August 13, 2021.

	Dividend per share
Common Shares1	$0.83500
Preference Shares, Series A	$0.34375
Preference Shares, Series B	$0.21340
Preference Shares, Series C2	$0.15753
Preference Shares, Series D	$0.27875
Preference Shares, Series F	$0.29306
Preference Shares, Series H	$0.27350
Preference Shares, Series J	US$0.30540
Preference Shares, Series L	US$0.30993
Preference Shares, Series N	$0.31788
Preference Shares, Series P	$0.27369
Preference Shares, Series R	$0.25456
Preference Shares, Series 1	US$0.37182
Preference Shares, Series 3	$0.23356
Preference Shares, Series 5	US$0.33596
Preference Shares, Series 7	$0.27806
Preference Shares, Series 9	$0.25606
Preference Shares, Series 11	$0.24613
Preference Shares, Series 13	$0.19019
Preference Shares, Series 15	$0.18644
Preference Shares, Series 17	$0.32188
Preference Shares, Series 19	$0.30625

1 The quarterly dividend per common share was increased 3% to $0.835 from $0.81, effective March 1, 2021.

2 The quarterly dividend per share paid on Series C was increased to $0.15501 from $0.15349 on March 1, 2021, and increased to $0.15753 from $0.15501 on June 1, 2021, due to reset on a quarterly basis following the date of issuance of the Series C Preference Shares.

6. DEBT

CREDIT FACILITIES

The following table provides details of our committed credit facilities as at June 30, 2021:

	Maturity1	Total Facilities	Draws2	Available
(millions of Canadian dollars)
Enbridge Inc.	2022-2024	9,125	7,446	1,679
Enbridge (U.S.) Inc.	2022-2024	6,811	3,076	3,735
Enbridge Pipelines Inc.	2022	3,000	494	2,506
Enbridge Gas Inc.	2022	2,000	1,410	590
Total committed credit facilities		20,936	12,426	8,510

1Maturity date is inclusive of the one-year term out option for certain credit facilities.

2Includes facility draws and commercial paper issuances that are back-stopped by credit facilities.

On February 10, 2021, Enbridge Inc. entered into a three year, revolving, extendible, sustainability-linked credit facility for $1.0 billion with a syndicate of lenders and concurrently terminated our one year, revolving, syndicated credit facility for $3.0 billion.

On February 25, 2021, two term loans with an aggregate total of US$500 million were repaid with proceeds from a floating rate notes issuance.

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On July 22 and 23, 2021, we renewed approximately $8.0 billion of our five-year credit facilities, extending the maturity date out to July 2026. We also extended approximately $10.0 billion of our 364-day extendible credit facilities to July 2022, which includes a one-year term out provision to July 2023.

In addition to the committed credit facilities noted above, we maintain $1.4 billion of uncommitted demand credit facilities, of which $978 million was unutilized as at June 30, 2021. As at December 31, 2020, we had $849 million of uncommitted demand credit facilities, of which $533 million was unutilized.

Our credit facilities carry a weighted average standby fee of 0.2% per annum on the unused portion and draws bear interest at market rates. Certain credit facilities serve as a back-stop to the commercial paper programs and we have the option to extend such facilities.

As at June 30, 2021 and December 31, 2020, commercial paper and credit facility draws, net of short-term borrowings and non-revolving credit facilities that mature within one year, of $9.0 billion and $9.9 billion, respectively, were supported by the availability of long-term committed credit facilities and, therefore, have been classified as long-term debt.

LONG-TERM DEBT ISSUANCES

During the six months ended June 30, 2021, we completed the following long-term debt issuances totaling US$2.0 billion and $800 million:

Company	Issue Date		Principal Amount
(millions of Canadian dollars unless otherwise stated)
Enbridge Inc.
	February 2021	Floating rate notes due February 20231	US$500
	June 2021	2.50% Sustainability-Linked senior notes due August 2033	US$1,000
	June 2021	3.40% senior notes due August 2051	US$500
Enbridge Pipelines Inc.
	May 2021	4.20% medium-term notes due May 2051	$400
	May 2021	2.82% medium-term notes due May 2031	$400

1Notes mature in two years and carry an interest rate set to equal Secured Overnight Financing Rate (SOFR) plus a margin of 40 basis points.

LONG-TERM DEBT REPAYMENTS

During the six months ended June 30, 2021, we completed the following long-term debt repayments totaling $808 million and US$880 million:

Company	Repayment Date		Principal Amount
(millions of Canadian dollars unless otherwise stated)
Enbridge Inc.
	February 2021	4.26% medium-term notes	$200
	March 2021	3.16% medium-term notes	$400
Enbridge Energy Partners, L.P.
	June 2021	4.20% senior notes	US$600
Enbridge Gas Inc.
	May 2021	2.76% medium-term notes	$200
Enbridge Pipelines (Southern Lights) L.L.C.
	June 2021	3.98% senior notes	US$30
Enbridge Southern Lights LP
	June 2021	4.01% senior notes	$8
Spectra Energy Partners, LP
	March 2021	4.60% senior notes	US$250

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SUBORDINATED TERM NOTES

As at June 30, 2021 and December 31, 2020, our fixed-to-floating rate and fixed-to-fixed subordinated term notes had a principal value of $7.6 billion and $7.8 billion, respectively.

FAIR VALUE ADJUSTMENT

As at June 30, 2021 and December 31, 2020, the net fair value adjustments to total debt assumed in a historical acquisition were $703 million and $750 million, respectively. During the three months ended June 30, 2021 and 2020, amortization of the fair value adjustment recorded as a reduction to Interest expense in the Consolidated Statements of Earnings was $13 million and $14 million, respectively. During the six months ended June 30, 2021 and 2020, amortization of the fair value adjustment recorded as a reduction to Interest expense in the Consolidated Statements of Earnings was $25 million and $29 million, respectively.

DEBT COVENANTS

Our credit facility agreements and term debt indentures include standard events of default and covenant provisions whereby accelerated repayment and/or termination of the agreements may result if we were to default on payment or violate certain covenants. As at June 30, 2021, we were in compliance with all debt covenants.

7. COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME

Changes in Accumulated Other Comprehensive Income (AOCI) attributable to our common shareholders for the six months ended June 30, 2021 and 2020 are as follows:

	Cash Flow  Hedges	Excluded Components of Fair Value Hedges	Net Investment Hedges	Cumulative Translation Adjustment	Equity Investees	Pension and OPEB Adjustment	Total
(millions of Canadian dollars)
Balance as at January 1, 2021	(1,326)	5	(215)	568	66	(499)	(1,401)
Other comprehensive income/(loss) retained in AOCI	294	(2)	251	(1,584)	1	—	(1,040)
Other comprehensive loss/(income) reclassified to earnings
Interest rate contracts1	142	—	—	—	—	—	142
Foreign exchange contracts2	3	—	—	—	—	—	3
Other contracts3	1	—	—	—	—	—	1
Amortization of pension and OPEB actuarial loss and prior service costs4	—	—	—	—	—	14	14
Other	17	—	—	(20)	3	—	—
	457	(2)	251	(1,604)	4	14	(880)
Tax impact
Income tax on amounts retained in AOCI	(75)	—	(29)	—	1	—	(103)
Income tax on amounts reclassified to earnings	(33)	—	—	—	—	(3)	(36)
	(108)	—	(29)	—	1	(3)	(139)
Balance as at June 30, 2021	(977)	3	7	(1,036)	71	(488)	(2,420)

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	Cash Flow  Hedges	Excluded Components of Fair Value Hedges	Net Investment Hedges	Cumulative Translation Adjustment	Equity Investees	Pension and OPEB Adjustment	Total
(millions of Canadian dollars)
Balance as at January 1, 2020	(1,073)	—	(317)	1,396	67	(345)	(272)
Other comprehensive income/(loss) retained in AOCI	(738)	8	(375)	2,843	25	—	1,763
Other comprehensive loss reclassified to earnings
Interest rate contracts1	103	—	—	—	—	—	103
Foreign exchange contracts2	2	—	—	—	—	—	2
Amortization of pension and OPEB actuarial loss and prior service costs4	—	—	—	—	—	9	9
	(633)	8	(375)	2,843	25	9	1,877
Tax impact
Income tax on amounts retained in AOCI	180	—	—	—	(5)	—	175
Income tax on amounts reclassified to earnings	(25)	—	—	—	—	(2)	(27)
	155	—	—	—	(5)	(2)	148
Balance as at June 30, 2020	(1,551)	8	(692)	4,239	87	(338)	1,753

1 Reported within Interest expense in the Consolidated Statements of Earnings.

2 Reported within Transportation and other services revenues and Net foreign currency gain/(loss) in the Consolidated Statements of Earnings.

3 Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

4 These components are included in the computation of net periodic benefit costs and are reported within Other income/(expense) in the Consolidated Statements of Earnings.

8. IMPAIRMENT OF EQUITY INVESTMENTS

DCP Midstream, LLC

DCP Midstream, LLC (DCP Midstream), a 50% owned equity method investment of Enbridge, holds an equity interest in DCP Midstream, LP. A decline in the market price of DCP Midstream, LP’s publicly traded units during the first quarter of 2020 resulted in an other than temporary impairment loss on our investment in DCP Midstream of $1.7 billion for the six months ended June 30, 2020. In addition, we incurred losses of $324 million through our equity earnings pick up in relation to asset and goodwill impairment losses recorded by DCP Midstream, LP during the six months ended June 30, 2020. The carrying value of our investment in DCP Midstream as at June 30, 2021 and December 31, 2020 was $286 million and $331 million, respectively.

Our investment in DCP Midstream forms part of our Gas Transmission and Midstream segment. The impairment losses were recorded within Impairment of equity investments in the Consolidated Statements of Earnings.

9. RISK MANAGEMENT AND FINANCIAL INSTRUMENTS

MARKET RISK

Our earnings, cash flows and other comprehensive income (OCI) are subject to movements in foreign exchange rates, interest rates, commodity prices and our share price (collectively, market risks). Formal risk management policies, processes and systems have been designed to mitigate these risks.

The following summarizes the types of market risks to which we are exposed and the risk management instruments used to mitigate them. We use a combination of qualifying and non-qualifying derivative instruments to manage the risks noted below.

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Foreign Exchange Risk

We generate certain revenues, incur expenses, and hold a number of investments and subsidiaries that are denominated in currencies other than Canadian dollars. As a result, our earnings, cash flows and OCI are exposed to fluctuations resulting from foreign exchange rate variability.

We employ financial derivative instruments to hedge foreign currency denominated earnings exposure. A combination of qualifying cash flow, fair value and non-qualifying derivative instruments is used to hedge anticipated foreign currency denominated revenues and expenses, and to manage variability in cash flows. We hedge certain net investments in US dollar denominated investments and subsidiaries using foreign currency derivatives and US dollar denominated debt.

Interest Rate Risk

Our earnings and cash flows are exposed to short-term interest rate variability due to the regular repricing of our variable rate debt, primarily commercial paper. We monitor our debt portfolio mix of fixed and variable rate debt instruments to manage a consolidated portfolio of floating rate debt within the Board of Directors approved policy limit of a maximum of 30% of floating rate debt as a percentage of total debt outstanding. We primarily use qualifying derivative instruments to manage interest rate risk. Pay fixed-receive floating interest rate swaps may be used to hedge against the effect of future interest rate movements. We have implemented a program to significantly mitigate the impact of short-term interest rate volatility on interest expense via execution of floating to fixed interest rate swaps with an average swap rate of 3.1%.

We are exposed to changes in the fair value of fixed rate debt that arise as a result of the changes in market interest rates. Pay floating-receive fixed interest rate swaps are used, when applicable, to hedge against future changes to the fair value of fixed rate debt which mitigates the impact of fluctuations in the fair value of fixed rate debt via execution of fixed to floating interest rate swaps. As at June 30, 2021, we do not have any pay floating-receive fixed interest rate swaps outstanding.

Our earnings and cash flows are also exposed to variability in longer term interest rates ahead of anticipated fixed rate term debt issuances. Forward starting interest rate swaps are used to hedge against the effect of future interest rate movements. We have established a program within some of our subsidiaries to mitigate our exposure to long-term interest rate variability on select forecast term debt issuances via execution of floating to fixed interest rate swaps with an average swap rate of 2.2%.

Commodity Price Risk

Our earnings and cash flows are exposed to changes in commodity prices as a result of our ownership interests in certain assets and investments, as well as through the activities of our energy services subsidiaries. These commodities include natural gas, crude oil, power and NGL. We employ financial and physical derivative instruments to fix a portion of the variable price exposures that arise from physical transactions involving these commodities. We use primarily non-qualifying derivative instruments to manage commodity price risk.

Equity Price Risk

Equity price risk is the risk of earnings fluctuations due to changes in our share price. We have exposure to our own common share price through the issuance of various forms of stock-based compensation, which affect earnings through revaluation of the outstanding units every period. We use equity derivatives to manage the earnings volatility derived from one form of stock-based compensation, restricted share units. We use a combination of qualifying and non-qualifying derivative instruments to manage equity price risk.

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COVID-19 PANDEMIC RISK

The spread of the COVID-19 pandemic has caused significant volatility in Canada, the US and international markets. While we have taken proactive measures to deliver energy safely and reliably during this pandemic, given the ongoing dynamic nature of the circumstances surrounding COVID-19, including ongoing uncertainty as to the duration of the pandemic and corresponding public health measures, the impact of this pandemic and the ongoing recovery on our business remains uncertain.

TOTAL DERIVATIVE INSTRUMENTS

We generally have a policy of entering into individual International Swaps and Derivatives Association, Inc. agreements, or other similar derivative agreements, with the majority of our financial derivative counterparties. These agreements provide for the net settlement of derivative instruments outstanding with specific counterparties in the event of bankruptcy or other significant credit events, and reduce our credit risk exposure on financial derivative asset positions outstanding with the counterparties in those circumstances.

The following table summarizes the maximum potential settlement amounts in the event of these specific circumstances. All amounts are presented gross in the Consolidated Statements of Financial Position.

June 30, 2021	Derivative Instruments Used as Cash Flow Hedges	Derivative Instruments Used as Fair Value  Hedges	Non- Qualifying Derivative Instruments	Total Gross Derivative Instruments as Presented	Amounts Available for Offset	Total Net Derivative Instruments
(millions of Canadian dollars)
Accounts receivable and other
Foreign exchange contracts	—	—	312	312	(29)	283
Commodity contracts	—	—	219	219	(174)	45
Other contracts	1	—	5	6	—	6
	1	—	536	537	(203)	334
Deferred amounts and other assets
Foreign exchange contracts	—	—	493	493	(207)	286
Interest rate contracts	157	—	—	157	(23)	134
Commodity contracts	—	—	64	64	(40)	24
Other contracts	2	—	2	4	—	4
	159	—	559	718	(270)	448
Accounts payable and other
Foreign exchange contracts	(14)	(153)	(110)	(277)	29	(248)
Interest rate contracts	(156)	—	—	(156)	—	(156)
Commodity contracts	(9)	—	(356)	(365)	174	(191)
	(179)	(153)	(466)	(798)	203	(595)
Other long-term liabilities
Foreign exchange contracts	—	—	(435)	(435)	207	(228)
Interest rate contracts	(123)	—	(23)	(146)	23	(123)
Commodity contracts	(5)	—	(93)	(98)	40	(58)
	(128)	—	(551)	(679)	270	(409)
Total net derivative assets/(liabilities)
Foreign exchange contracts	(14)	(153)	260	93	—	93
Interest rate contracts	(122)	—	(23)	(145)	—	(145)
Commodity contracts	(14)	—	(166)	(180)	—	(180)
Other contracts	3	—	7	10	—	10
	(147)	(153)	78	(222)	—	(222)

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December 31, 2020	Derivative Instruments Used as Cash Flow Hedges	Derivative Instruments Used as Fair Value  Hedges	Non- Qualifying Derivative Instruments	Total Gross Derivative Instruments as Presented	Amounts Available for Offset	Total Net Derivative Instruments
(millions of Canadian dollars)
Accounts receivable and other
Foreign exchange contracts	—	—	180	180	(28)	152
Interest rate contracts	—	—	—	—	—	—
Commodity contracts	—	—	143	143	(81)	62
	—	—	323	323	(109)	214
Deferred amounts and other assets
Foreign exchange contracts	14	—	452	466	(218)	248
Interest rate contracts	56	—	—	56	(25)	31
Commodity contracts	—	—	39	39	(9)	30
	70	—	491	561	(252)	309
Accounts payable and other
Foreign exchange contracts	(5)	(29)	(151)	(185)	28	(157)
Interest rate contracts	(423)	—	(2)	(425)	—	(425)
Commodity contracts	(2)	—	(278)	(280)	81	(199)
Other contracts	(1)	—	(3)	(4)	—	(4)
	(431)	(29)	(434)	(894)	109	(785)
Other long-term liabilities
Foreign exchange contracts	—	(87)	(673)	(760)	218	(542)
Interest rate contracts	(218)	—	(23)	(241)	25	(216)
Commodity contracts	(1)	—	(57)	(58)	9	(49)
	(219)	(87)	(753)	(1,059)	252	(807)
Total net derivative assets/(liabilities)
Foreign exchange contracts	9	(116)	(192)	(299)	—	(299)
Interest rate contracts	(585)	—	(25)	(610)	—	(610)
Commodity contracts	(3)	—	(153)	(156)	—	(156)
Other contracts	(1)	—	(3)	(4)	—	(4)
	(580)	(116)	(373)	(1,069)	—	(1,069)

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The following table summarizes the maturity and notional principal or quantity outstanding related to our derivative instruments.

June 30, 2021	2021	2022	2023	2024	2025	Thereafter	Total
Foreign exchange contracts - US dollar forwards - purchase (millions of US dollars)	1,364	1,750	—	—	—	—	3,114
Foreign exchange contracts - US dollar forwards - sell (millions of US dollars)	3,140	5,853	3,784	1,856	648	—	15,281
Foreign exchange contracts - British pound (GBP) forwards - sell (millions of GBP)	67	28	29	30	30	60	244
Foreign exchange contracts - Euro forwards - sell (millions of Euro)	47	94	92	91	86	428	838
Foreign exchange contracts - Japanese yen forwards - purchase (millions of yen)	—	72,500	—	—	—	—	72,500
Interest rate contracts - short-term debt pay fixed rate (millions of Canadian dollars)	1,963	391	47	35	30	90	2,556
Interest rate contracts - long-term debt pay fixed rate (millions of Canadian dollars)	1,062	1,967	1,319	—	—	—	4,348
Equity contracts (millions of Canadian dollars)	39	7	11	—	—	—	57
Commodity contracts - natural gas (billions of cubic feet)2	81	48	12	4	11	—	156
Commodity contracts - crude oil (millions of barrels)2	13	—	—	—	—	—	13
Commodity contracts - power (megawatt per hour) (MW/H)	(41)	(43)	(43)	(43)	(43)	—	(43)	1

1 Total is an average net purchase/(sale) of power.

2 Total is a net purchase/(sale) of underlying commodity.

Fair Value Derivatives

For foreign exchange derivative instruments that are designated and qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk is included in Net foreign currency gain/(loss) in the Consolidated Statements of Earnings. Any excluded components are included in the Consolidated Statements of Comprehensive Income.

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Unrealized gain/(loss) on derivative	(32)	(133)	(35)	85
Unrealized gain/(loss) on hedged item	32	138	28	(65)
Realized gain/(loss) on derivative	—	—	(39)	(12)
Realized gain on hedged item	—	—	45	—

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The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income

The following table presents the effect of cash flow hedges, fair value hedges and net investment hedges on our consolidated earnings and consolidated comprehensive income, before the effect of income taxes:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Amount of unrealized gain/(loss) recognized in OCI
Cash flow hedges
Foreign exchange contracts	(5)	(13)	(25)	6
Interest rate contracts	(203)	(35)	294	(750)
Commodity contracts	4	—	(4)	9
Other contracts	1	1	4	(6)
Fair value hedges
Foreign exchange contracts	(1)	5	(2)	8
Net investment hedges
Foreign exchange contracts	—	3	—	(4)
	(204)	(39)	267	(737)
Amount of loss reclassified from AOCI to earnings
Foreign exchange contracts1	2	1	3	2
Interest rate contracts2	79	59	142	103
Commodity contracts	(1)	—	—	—
Other contracts3	1	—	1	—
	81	60	146	105

1    Reported within Transportation and other services revenues and Net foreign currency gain/(loss) in the Consolidated Statements of Earnings.

2    Reported within Interest expense in the Consolidated Statements of Earnings.

3    Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

We estimate that a loss of $90 million of AOCI related to unrealized cash flow hedges will be reclassified to earnings in the next 12 months. Actual amounts reclassified to earnings depend on the foreign exchange rates, interest rates and commodity prices in effect when derivative contracts that are currently outstanding mature. For all forecasted transactions, the maximum term over which we are hedging exposures to the variability of cash flows is 30 months as at June 30, 2021.

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Non-Qualifying Derivatives

The following table presents the unrealized gains and losses associated with changes in the fair value of our non-qualifying derivatives:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Foreign exchange contracts1	218	1,246	454	(757)
Interest rate contracts2	—	3	2	(15)
Commodity contracts3	(90)	(517)	(18)	(44)
Other contracts4	5	—	10	(8)
Total unrealized derivative fair value gain/(loss), net	133	732	448	(824)

1    For the respective six months ended periods, reported within Transportation and other services revenues (2021 - $292 million gain; 2020 - $437 million loss) and Net foreign currency gain/(loss) (2021 - $162 million gain; 2020 - $320 million loss) in the Consolidated Statements of Earnings.

2    Reported as an (increase)/decrease within Interest expense in the Consolidated Statements of Earnings.

3    For the respective six months ended periods, reported within Transportation and other services revenues (2021 - $3 million loss; 2020 - $17 million gain), Commodity sales (2021 - $144 million gain; 2020 - $403 million loss), Commodity costs (2021 - $166 million loss; 2020 - $348 million gain) and Operating and administrative expense (2021 - $7 million gain; 2020 - $6 million loss) in the Consolidated Statements of Earnings.

4    Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

LIQUIDITY RISK

Liquidity risk is the risk that we will not be able to meet our financial obligations, including commitments and guarantees, as they become due. In order to mitigate this risk, we forecast cash requirements over a 12-month rolling time period to determine whether sufficient funds will be available and maintain substantial capacity under our committed bank lines of credit to address any contingencies. Our primary sources of liquidity and capital resources are funds generated from operations, the issuance of commercial paper and draws under committed credit facilities and long-term debt, which includes debentures and medium-term notes. We also maintain current shelf prospectuses with securities regulators which enables ready access to either the Canadian or US public capital markets, subject to market conditions. In addition, we maintain sufficient liquidity through committed credit facilities with a diversified group of banks and institutions which, if necessary, enables us to fund all anticipated requirements for approximately one year without accessing the capital markets. We are in compliance with all the terms and conditions of our committed credit facility agreements and term debt indentures as at June 30, 2021. As a result, all credit facilities are available to us and the banks are obligated to fund and have been funding us under the terms of the facilities.

CREDIT RISK

Entering into derivative instruments may result in exposure to credit risk from the possibility that a counterparty will default on its contractual obligations. In order to mitigate this risk, we enter into risk management transactions primarily with institutions that possess strong investment grade credit ratings. Credit risk relating to derivative counterparties is mitigated through maintenance and monitoring of credit exposure limits and contractual requirements, netting arrangements and ongoing monitoring of counterparty credit exposure using external credit rating services and other analytical tools.

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We have credit concentrations and credit exposure, with respect to derivative instruments, in the following counterparty segments:

	June 30, 2021	December 31, 2020
(millions of Canadian dollars)
Canadian financial institutions	668	481
US financial institutions	230	99
European financial institutions	—	28
Asian financial institutions	245	167
Other1	110	97
	1,253	872

1    Other is comprised of commodity clearing house and physical natural gas and crude oil counterparties.

As at June 30, 2021, we provided letters of credit totaling nil in lieu of providing cash collateral to our counterparties pursuant to the terms of the relevant International Swaps and Derivatives Association agreements. We held no cash collateral on derivative asset exposures as at June 30, 2021 and December 31, 2020.

Gross derivative balances have been presented without the effects of collateral posted. Derivative assets are adjusted for non-performance risk of our counterparties using their credit default swap spread rates, and are reflected at fair value. For derivative liabilities, our non-performance risk is considered in the valuation.

Credit risk also arises from trade and other long-term receivables, and is mitigated through credit exposure limits and contractual requirements, assessment of credit ratings and netting arrangements. Within Enbridge Gas Inc. (Enbridge Gas), credit risk is mitigated by the utility's large and diversified customer base and the ability to recover an estimate for expected credit losses through the ratemaking process. We actively monitor the financial strength of large industrial customers, and in select cases, have obtained additional security to minimize the risk of default on receivables. Generally, we utilize a loss allowance matrix which contemplates historical credit losses by age of receivables, adjusted for any forward-looking information and management expectations to measure lifetime expected credit losses of receivables. The maximum exposure to credit risk related to non-derivative financial assets is their carrying value.

FAIR VALUE MEASUREMENTS

Our financial assets and liabilities measured at fair value on a recurring basis include derivative instruments. We also disclose the fair value of other financial instruments not measured at fair value. The fair value of financial instruments reflects our best estimates of market value based on generally accepted valuation techniques or models and is supported by observable market prices and rates. When such values are not available, we use discounted cash flow analysis from applicable yield curves based on observable market inputs to estimate fair value.

FAIR VALUE OF FINANCIAL INSTRUMENTS

We categorize our derivative instruments measured at fair value into one of three different levels depending on the observability of the inputs employed in the measurement.

Level 1

Level 1 includes derivatives measured at fair value based on unadjusted quoted prices for identical assets and liabilities in active markets that are accessible at the measurement date. An active market for a derivative is considered to be a market where transactions occur with sufficient frequency and volume to provide pricing information on an ongoing basis. Our Level 1 instruments consist primarily of exchange-traded derivatives used to mitigate the risk of crude oil price fluctuations.

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Level 2

Level 2 includes derivative valuations determined using directly or indirectly observable inputs other than quoted prices included within Level 1. Derivatives in this category are valued using models or other industry standard valuation techniques derived from observable market data. Such valuation techniques include inputs such as quoted forward prices, time value, volatility factors and broker quotes that can be observed or corroborated in the market for the entire duration of the derivative. Derivatives valued using Level 2 inputs include non-exchange traded derivatives such as over-the-counter foreign exchange forward and cross currency swap contracts, interest rate swaps, physical forward commodity contracts, as well as commodity swaps and options for which observable inputs can be obtained.

We have also categorized the fair value of our available-for-sale preferred share investment and long-term debt as Level 2. The fair value of our available-for-sale preferred share investment is based on the redemption value, which equals the face value plus accrued and unpaid interest periodically reset based on market interest rates. The fair value of our long-term debt is based on quoted market prices for instruments of similar yield, credit risk and tenor.

Level 3

Level 3 includes derivative valuations based on inputs which are less observable, unavailable or where the observable data does not support a significant portion of the derivatives’ fair value. Generally, Level 3 derivatives are longer dated transactions, occur in less active markets, occur at locations where pricing information is not available or have no binding broker quote to support Level 2 classification. We have developed methodologies, benchmarked against industry standards, to determine fair value for these derivatives based on extrapolation of observable future prices and rates. Derivatives valued using Level 3 inputs primarily include long-dated derivative power, NGL and natural gas contracts, basis swaps, commodity swaps, and power and energy swaps. We do not have any other financial instruments categorized in Level 3.

We use the most observable inputs available to estimate the fair value of our derivatives. When possible, we estimate the fair value of our derivatives based on quoted market prices. If quoted market prices are not available, we use estimates from third party brokers. For non-exchange traded derivatives classified in Levels 2 and 3, we use standard valuation techniques to calculate the estimated fair value. These methods include discounted cash flows for forwards and swaps and Black-Scholes-Merton pricing models for options. Depending on the type of derivative and nature of the underlying risk, we use observable market prices (interest, foreign exchange, commodity and share price) as primary inputs to these valuation techniques. Finally, we consider our own credit default swap spread as well as the credit default swap spreads associated with our counterparties in our estimation of fair value.

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We have categorized our derivative assets and liabilities measured at fair value as follows:

June 30, 2021	Level 1	Level 2	Level 3	Total Gross Derivative Instruments
(millions of Canadian dollars)
Financial assets
Current derivative assets
Foreign exchange contracts	—	312	—	312
Commodity contracts	105	73	41	219
Other contracts	—	6	—	6
	105	391	41	537
Long-term derivative assets
Foreign exchange contracts	—	493	—	493
Interest rate contracts	—	157	—	157
Commodity contracts	24	32	8	64
Other contracts	—	4	—	4
	24	686	8	718
Financial liabilities
Current derivative liabilities
Foreign exchange contracts	—	(277)	—	(277)
Interest rate contracts	—	(156)	—	(156)
Commodity contracts	(123)	(69)	(173)	(365)
	(123)	(502)	(173)	(798)
Long-term derivative liabilities
Foreign exchange contracts	—	(435)	—	(435)
Interest rate contracts	—	(146)	—	(146)
Commodity contracts	(28)	(16)	(54)	(98)
	(28)	(597)	(54)	(679)
Total net financial assets/(liabilities)
Foreign exchange contracts	—	93	—	93
Interest rate contracts	—	(145)	—	(145)
Commodity contracts	(22)	20	(178)	(180)
Other contracts	—	10	—	10
	(22)	(22)	(178)	(222)

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December 31, 2020	Level 1	Level 2	Level 3	Total Gross Derivative Instruments
(millions of Canadian dollars)
Financial assets
Current derivative assets
Foreign exchange contracts	—	180	—	180
Commodity contracts	43	33	67	143
	43	213	67	323
Long-term derivative assets
Foreign exchange contracts	—	466	—	466
Interest rate contracts	—	56	—	56
Commodity contracts	1	24	14	39
	1	546	14	561
Financial liabilities
Current derivative liabilities
Foreign exchange contracts	—	(185)	—	(185)
Interest rate contracts	—	(425)	—	(425)
Commodity contracts	(39)	(18)	(223)	(280)
Other contracts	—	(4)	—	(4)
	(39)	(632)	(223)	(894)
Long-term derivative liabilities
Foreign exchange contracts	—	(760)	—	(760)
Interest rate contracts	—	(241)	—	(241)
Commodity contracts	(1)	(8)	(49)	(58)
	(1)	(1,009)	(49)	(1,059)
Total net financial assets/(liabilities)
Foreign exchange contracts	—	(299)	—	(299)
Interest rate contracts	—	(610)	—	(610)
Commodity contracts	4	31	(191)	(156)
Other contracts	—	(4)	—	(4)
	4	(882)	(191)	(1,069)

The significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments were as follows:

June 30, 2021	Fair Value	Unobservable Input	Minimum Price	Maximum Price	Weighted Average Price	Unit of Measurement
(fair value in millions of Canadian dollars)
Commodity contracts - financial1
Natural gas	(9)	Forward gas price	2.83	5.90	3.87	$/mmbtu2
Crude	(17)	Forward crude price	67.09	90.65	75.20	$/barrel
NGL	—	Forward NGL price	0.99	1.39	1.37	$/gallon
Power	(49)	Forward power price	18.20	116.93	63.92	$/MW/H
Commodity contracts - physical1
Natural gas	(17)	Forward gas price	2.43	6.75	4.02	$/mmbtu2
Crude	(86)	Forward crude price	67.19	91.39	85.53	$/barrel
NGL	—	Forward NGL price	—	—	—	$/gallon
	(178)

1    Financial and physical forward commodity contracts are valued using a market approach valuation technique.

2    One million British thermal units (mmbtu).

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If adjusted, the significant unobservable inputs disclosed in the table above would have a direct impact on the fair value of our Level 3 derivative instruments. The significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments include forward commodity prices. Changes in forward commodity prices could result in significantly different fair values for our Level 3 derivatives.

Changes in net fair value of derivative assets and liabilities classified as Level 3 in the fair value hierarchy were as follows:

	Six months ended June 30,
	2021	2020
(millions of Canadian dollars)
Level 3 net derivative liability at beginning of period	(191)	(69)
Total gain/(loss)
Included in earnings1	(143)	(107)
Included in OCI	(12)	7
Settlements	168	41
Level 3 net derivative liability at end of period	(178)	(128)

1    Reported within Transportation and other services revenues, Commodity costs and Operating and administrative expense in the Consolidated Statements of Earnings.

There were no transfers into or out of Level 3 as at June 30, 2021 or December 31, 2020.

NET INVESTMENT HEDGES

We currently have designated a portion of our US dollar denominated debt, as well as a portfolio of foreign exchange forward contracts in prior periods, as a hedge of our net investment in US dollar denominated investments and subsidiaries.

During the six months ended June 30, 2021 and 2020, we recognized an unrealized foreign exchange gain of $251 million and a loss of $371 million, respectively, on the translation of US dollar denominated debt and unrealized loss of nil and $4 million, respectively, on the change in fair value of our outstanding foreign exchange forward contracts in OCI. During the six months ended June 30, 2021 and 2020, we recognized no OCI associated with the settlement of foreign exchange forward contracts or with the settlement of US dollar denominated debt that had matured during the period.

FAIR VALUE OF OTHER FINANCIAL INSTRUMENTS

Certain long-term investments in other entities with no actively quoted prices are classified as Fair Value Measurement Alternative (FVMA) investments and are recorded at cost less impairment. The carrying value of FVMA investments totaled $51 million and $52 million as at June 30, 2021 and December 31, 2020, respectively.

We have Restricted long-term investments held in trust totaling $573 million and $553 million as at June 30, 2021 and December 31, 2020, respectively, which are recognized at fair value.

During the three months ended June 30, 2021, we entered into a definitive agreement to sell our 38.9% noncontrolling interest in Noverco, which is comprised of both common shares and preferred shares. Historically, the preferred shares have been classified as held-to-maturity and carried at amortized cost. As a result of our intent to sell our interest in Noverco, the preferred shares were reclassified from held-to-maturity to available-for-sale at fair value during the second quarter of 2021. The fair value of the preferred shares was $580 million and $567 million as at June 30, 2021 and December 31, 2020, respectively. There were no gains or losses recognized in OCI on reclassification.

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As at June 30, 2021 and December 31, 2020, our long-term debt had a carrying value of $67.1 billion and $66.1 billion, respectively, before debt issuance costs and a fair value of $74.0 billion and $75.1 billion, respectively. We also have non-current notes receivable carried at book value and recorded in Deferred amounts and other assets in the Consolidated Statements of Financial Position. As at June 30, 2021 and December 31, 2020, the non-current notes receivable had a carrying value of $1.0 billion and $1.1 billion, respectively, which also approximates their fair value.

The fair value of financial assets and liabilities other than derivative instruments, long-term investments, restricted long-term investments, long-term debt and non-current notes receivable described above approximate their carrying value due to the short period to maturity.

10. INCOME TAXES

The effective income tax rates for the three months ended June 30, 2021 and 2020 were 15.1% and 25.0%, respectively and for the six months ended June 30, 2021 and 2020 were 17.6% and 9.2%, respectively.

The period-over-period change in the effective income tax rates is due to the effect of rate-regulated accounting for income taxes and the benefit of foreign tax rate differentials relative to the change in earnings being offset by a reduction in US minimum tax and the release of a previously recognized uncertain tax position as it has become statute barred.

11. PENSION AND OTHER POSTRETIREMENT BENEFITS

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Service cost	48	58	96	100
Interest cost	32	54	64	87
Expected return on plan assets	(84)	(113)	(168)	(180)
Amortization of actuarial loss and prior service costs	14	10	28	19
Net periodic benefit costs	10	9	20	26

For the three and six months ended June 30, 2020, we incurred $236 million in severance costs related to our voluntary workforce reduction program. For the three and six months ended June 30, 2021, there were no such costs incurred. Severance costs are included in Operating and administrative expense in the Consolidated Statements of Earnings.

12. CONTINGENCIES

We and our subsidiaries are involved in various legal and regulatory actions and proceedings which arise in the normal course of business, including interventions in regulatory proceedings and challenges to regulatory approvals and permits. While the final outcome of such actions and proceedings cannot be predicted with certainty, management believes that the resolution of such actions and proceedings will not have a material impact on our interim consolidated financial position or results of operations.

TAX MATTERS

We and our subsidiaries maintain tax liabilities related to uncertain tax positions. While fully supportable in our view, these tax positions, if challenged by tax authorities, may not be fully sustained on review.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

INTRODUCTION

The following discussion and analysis of our financial condition and results of operations is based on and should be read in conjunction with our interim consolidated financial statements and the accompanying notes included in Part I. Item 1. Financial Statements of this quarterly report on Form 10-Q and our consolidated financial statements and the accompanying notes included in Part II. Item 8. Financial Statements and Supplementary Data of our annual report on Form 10-K for the year ended December 31, 2020.

As of the end of the second quarter of 2021, we continue to qualify as a foreign private issuer for purposes of the United States Securities Exchange Act of 1934, as amended (Exchange Act). We intend to continue to file annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K with the US Securities and Exchange Commission (SEC) instead of filing the reporting forms available to foreign private issuers. We also intend to maintain our Form S-3 registration statements.

RECENT DEVELOPMENTS

COVID-19 PANDEMIC

In 2020, the COVID-19 pandemic had a significant negative impact on crude oil market fundamentals which resulted in elevated risks to our business and our customers. Global crude oil demand experienced an unprecedented drop in mid-2020, as the economy slowed and personal mobility decreased due to government restrictions. This, in turn, led to a decrease in crude oil throughput on our liquids pipelines systems as refinery runs decreased across North America.

There has since been a substantial recovery in oil demand as vaccination rates rise and economies continue to reopen. Crude oil prices have risen significantly since the 2020 collapse as the recovery in global demand has outpaced the return of crude oil supply. As of mid-year 2021, our Mainline System has returned to being substantially full, similar to before the impact of the pandemic, however, we continue to monitor economic and health risks.

We continue to follow recommendations from public health authorities and medical experts, which vary by jurisdiction, and to employ regular safety processes and procedures in the normal course. Where public health restrictions have allowed, we have begun implementing a phased return to workplace plan in certain of our office locations. Despite ongoing uncertainty as to the duration and impact of the pandemic and corresponding public health measures, our business continuity plans are designed to enable us to manage operational developments related to COVID-19 as they unfold, including those related to construction and integrity projects. We provide an essential service across North America. Our customers, and the communities where we operate, depend on us to safely and reliably provide the energy they need.

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UNITED STATES LINE 3 REPLACEMENT PROGRAM

Construction of the United States (US) portion of the Line 3 Replacement Program (US L3R Program) in Minnesota continues to advance on schedule utilizing industry-leading environmental protection measures and construction techniques. On June 14, 2021, the Minnesota Court of Appeals affirmed the US L3R Program approvals. Several parties subsequently requested further review of this decision by the Minnesota Supreme Court. The project is progressing on schedule with an expected fourth quarter in-service date.

For additional regulatory updates on the project, refer to Growth Projects - Regulatory Matters - United States Line 3 Replacement Program.

CANADIAN MAINLINE SYSTEM CONTRACTING

On December 19, 2019, we submitted an application to the Canada Energy Regulator (CER) to implement contracting on our Canadian Mainline System. The application for contracted and uncommitted service included the associated terms, conditions and tolls of each service, which would be offered in an open season following approval by the CER.

Procedural steps with all participants before the CER are now complete. A decision by the CER is expected later this year.

In accordance with the terms of the Competitive Tolling Settlement (CTS), which expired on June 30, 2021, the tolls in place on June 30, 2021, will continue on an interim basis, subject to finalization and adjustment applicable to the interim period, if any.

GAS TRANSMISSION AND MIDSTREAM RATE PROCEEDINGS

Texas Eastern Transmission

Texas Eastern Transmission, LP (Texas Eastern) intends to file a rate case in the third quarter of 2021 and expects to commence settlement discussions with shippers in the fourth quarter of 2021.

East Tennessee

East Tennessee Natural Gas, LLC (ETNG) filed a rate case in the second quarter of 2020 and an agreement in principle was reached with shippers in April 2021. A Stipulation and Agreement was filed on May 21, 2021, and we await Federal Energy Regulatory Commission (FERC) approval.

Maritimes & Northeast Pipeline

The US portion of Maritimes & Northeast Pipeline filed a rate case in the second quarter of 2020 and an agreement in principle was reached with shippers in December 2020. A Stipulation and Agreement was filed on February 21, 2021, approved by the FERC on April 30, 2021, and was effective on June 1, 2021.

Alliance Pipeline

The US portion of Alliance Pipeline filed a rate case in the second quarter of 2020 and an agreement in principle was reached with shippers in January 2021. A Stipulation and Agreement was filed on March 31, 2021, approved by the FERC on July 15, 2021, and is expected to be effective on September 1, 2021.

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GAS DISTRIBUTION AND STORAGE RATE APPLICATIONS

2021 Rate Application

On June 30, 2020, Enbridge Gas Inc. (Enbridge Gas) filed Phase 1 of an application with the Ontario Energy Board (OEB) for the setting of rates for 2021. The 2021 rate application was filed in accordance with the parameters of Enbridge Gas's OEB approved Price Cap Incentive Regulation (IR) rate setting mechanism and represents the third year of a five-year term. On November 6, 2020, as part of its Decision on Settlement Proposal and Interim Rate Order, the OEB approved Enbridge Gas's Phase 1 Settlement Proposal and interim rates, effective January 1, 2021. On May 6, 2021, the OEB issued its decision on Phase 2 of Enbridge Gas's application filed on October 15, 2020, addressing 2021 incremental capital module funding requirements, under which $124 million of Enbridge Gas requested capital funding was approved.

2022 Rate Application

On June 30, 2021, Enbridge Gas filed Phase 1 of an application with the OEB for the setting of rates for 2022. The 2022 rate application was filed in accordance with the parameters of Enbridge Gas OEB approved Price Cap IR rate setting mechanism and represents the fourth year of a five-year term. An OEB decision on Phase 1 of the application is expected in the second half of 2021.

SOLAR SELF-POWER PROJECTS

Alberta Solar One

In March 2021, we commenced commercial operations on our first self-powering solar generation facility in Alberta. The 10.5-megawatts (MW) solar project, located near Burdett, Alberta, will supply a portion of our Canadian Mainline power requirements with solar energy.

Heidlersburg Solar Project

On May 15, 2021, a 2.5 MW self-power facility, located at the Heidlersburg compressor station on the Texas Eastern system, was placed into service.

We now have three operating solar self-power facilities. An additional four projects, with a combined 35 MW of generation, are under development and expected to enter service in late 2022.

FINANCING UPDATE

On February 10, 2021, we entered into a three year, revolving, extendible, sustainability-linked credit facility for $1.0 billion with a syndicate of lenders. We concurrently cancelled a one year, revolving, syndicated credit facility for $3.0 billion, ahead of its scheduled March 2021 maturity.

On February 19, 2021, we closed our inaugural US$500 million two-year Secured Overnight Financing Rate (SOFR) based Floating Rate Note (FRN) offering. The transaction has been reported to be the first SOFR-linked FRN offering by a non-financial issuer in the global fixed income market. Proceeds of this offering were used for repayment of two United States dollars (USD) term loans for the equivalent aggregate amount which matured on February 25, 2021.

On May 12, 2021, Enbridge Pipelines Inc. closed an $800 million dual-tranche medium-term notes offering in the Canadian public debt market, split evenly between 10 and 30-year tranches. Proceeds of this offering were used to repay short-term debt, for capital expenditures and for general corporate purposes.

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On June 28, 2021, we closed a dual-tranche debt offering consisting of an inaugural US$1.0 billion 12-year Sustainability-Linked senior notes issuance and a US$500 million 30-year senior note issuance. The Sustainability-Linked senior notes follow the guidance of our recently published Sustainability-Linked Bond Framework by incorporating greenhouse gas emissions intensity reduction and workforce diversity sustainability performance targets (SPTs) into the financing terms. If the SPTs are not met, the interest rate on the Sustainability-Linked senior notes will increase, helping to align our funding strategies with our environmental, social and governance ambitions. The proceeds from the issuance were used to repay existing indebtedness, partially fund capital projects and for other general corporate purposes.

On July 22 and 23, 2021, we renewed approximately $8.0 billion of our five-year credit facilities, extending the maturity date out to July 2026. We also extended approximately $10.0 billion of our 364-day extendible credit facilities to July 2022, which includes a one-year term out provision to July 2023.

These financing activities, in combination with the financing activities executed in 2020, are expected to provide significant liquidity and to enable us to fund our current portfolio of capital projects without requiring access to the capital markets for the next 12 months if market access is restricted or pricing is unattractive. Refer to Liquidity and Capital Resources.

Credit Rating Action

On June 1, 2021, Moody's Investors Service (Moody's) upgraded the credit ratings of Enbridge Inc. including our senior unsecured and issuer ratings to Baa1 from Baa2. Moody's also upgraded the credit ratings of our subsidiaries: Enbridge Energy Partners, L.P. (EEP), Enbridge Energy Limited Partnership (EELP), Spectra Energy Partners, LP (SEP) and Texas Eastern. The outlooks of all five entities are stable.

ASSET MONETIZATION

Éolien Maritime France SAS

On March 18, 2021, we sold 49% of an entity that holds our 50% interest in Éolien Maritime France SAS (EMF) to the Canada Pension Plan Investment Board (CPP Investments). CPP Investments will fund their 49% share of all ongoing future development capital. Through our investment in EMF, we own equity interests in three French offshore wind projects, including Saint-Nazaire (25.5%), Fécamp (17.9%) and Calvados (21.7%). The Calvados Offshore Wind Project reached a positive final investment decision in February 2021 and all three projects are now considered commercially secured.

Noverco Inc.

On June 7, 2021, we entered into a definitive agreement to sell our 38.9% non-operating minority ownership interest in Noverco Inc. (Noverco) to Trencap L.P. for $1.14 billion in cash, subject to purchase price adjustments. Closing of the transaction is expected to occur by early 2022 and is subject to the receipt of regulatory approvals and customary closing conditions.

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RESULTS OF OPERATIONS

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars, except per share amounts)
Segment earnings/(loss) before interest, income taxes and depreciation and amortization
Liquids Pipelines	2,044	2,340	4,083	3,190
Gas Transmission and Midstream	868	950	1,841	(104)
Gas Distribution and Storage	458	383	1,092	987
Renewable Power Generation	115	163	271	283
Energy Services	(239)	(99)	(175)	22
Eliminations and Other	92	261	312	(705)
Earnings before interest, income taxes and depreciation and amortization	3,338	3,998	7,424	3,673
Depreciation and amortization	(929)	(949)	(1,861)	(1,831)
Interest expense	(618)	(681)	(1,275)	(1,387)
Income tax expense	(270)	(591)	(753)	(42)
Earnings attributable to noncontrolling interests	(37)	(36)	(59)	(5)
Preference share dividends	(90)	(94)	(182)	(190)
Earnings attributable to common shareholders	1,394	1,647	3,294	218
Earnings per common share attributable to common shareholders	0.69	0.82	1.63	0.11
Diluted earnings per common share attributable to common shareholders	0.69	0.82	1.63	0.11

EARNINGS ATTRIBUTABLE TO COMMON SHAREHOLDERS

Three months ended June 30, 2021, compared with the three months ended June 30, 2020

Earnings attributable to common shareholders were negatively impacted by $477 million due to certain unusual, infrequent or other non-operating factors, primarily explained by the following factors:

•a non-cash, unrealized derivative fair value gain of $242 million ($185 million after-tax) in 2021, compared with a gain of $1.2 billion ($876 million after-tax) in 2020, reflecting changes in the mark-to-market value of derivative financial instruments used to manage foreign exchange risks; and

•the absence in 2021 of a non-cash, net positive adjustment to crude oil and natural gas inventories in our Energy Services business segment of $340 million ($257 million after-tax) in 2020.

The factors above were partially offset by the following positive factors:

•a non-cash, unrealized loss of $153 million ($117 million after-tax) in 2021, compared with an unrealized loss of $525 million ($397 million after-tax) in 2020, reflecting the revaluation of derivatives used to manage the profitability of transportation and storage transactions, as well as manage the exposure to movements in commodity prices; and

•employee severance, transition and transformation costs of $36 million ($28 million after-tax) in 2021, compared with $268 million ($200 million after-tax) in 2020 primarily related to our voluntary workforce reduction program offered in the second quarter of 2020.

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The non-cash, unrealized derivative fair value gains and losses discussed above generally arise as a result of our comprehensive long-term economic hedging program to mitigate foreign exchange and commodity price risks. This program creates volatility in reported short-term earnings through the recognition of unrealized non-cash gains and losses on financial derivative instruments used to hedge these risks. Over the long-term, we believe our hedging program supports the reliable cash flows and dividend growth upon which our investor value proposition is based.

After taking into consideration the factors above, the remaining $224 million increase in earnings attributable to common shareholders is primarily explained by the following significant business factors:

•stronger contributions from our Liquids Pipelines segment due to increased volumes and a higher International Joint Tariff (IJT) Benchmark Toll;

•increased earnings from our Gas Distribution and Storage segment due to higher distribution charges resulting from increases in rates and customer base;

•increased earnings from new assets being placed into service, including: the Atlantic Bridge Phase III project in our Gas Transmission and Midstream segment (with in-service notification to FERC in January of 2021), and the Woodland Pipeline Expansion project in our Liquids Pipelines segment (placed into service in June of 2021);

•lower interest expense primarily due to lower rates; and

•lower income tax expense primarily due to decreased earnings and a reduction in US minimum tax.

The positive business factors above were partially offset by the following:

•decreased earnings from our Energy Services segment due to the significant compression of location and quality differentials in certain markets, fewer storage opportunities due to market backwardation and fewer opportunities to achieve profitable transportation margins on facilities where we hold capacity obligations; and

•decreased earnings from our Liquids Pipelines and Gas Transmission and Midstream segments due to the net unfavorable effect of translating US dollar EBITDA to Canadian dollars at a lower average exchange rate in 2021 compared to the same period in 2020, partially offset by increased revenues due to the absence of pressure restrictions that existed on the Texas Eastern system in 2020.

Six months ended June 30, 2021, compared with the six months ended June 30, 2020

Earnings attributable to common shareholders were positively impacted by $2.9 billion due to certain unusual, infrequent or other non-operating factors, primarily explained by the following factors:

•a non-cash, unrealized derivative fair value gain of $521 million ($396 million after-tax) in 2021, compared with a loss of $770 million ($585 million after-tax) in 2020, reflecting changes in the mark-to-market value of derivative financial instruments used to manage foreign exchange risks;

•employee severance, transition and transformation costs of $72 million ($55 million after-tax) in 2021, compared to $279 million ($212 million after-tax) in 2020 primarily related to our voluntary workforce reduction program offered in the second quarter of 2020;

•the absence in 2021 of a non-cash impairment to the carrying value of our investment in DCP Midstream, LLC (DCP Midstream) of $1.7 billion ($1.3 billion after-tax) recognized in 2020;

•the absence in 2021 of a loss of $324 million ($244 million after-tax) resulting from asset and goodwill impairment losses within DCP Midstream recognized in 2020; and

•the absence in 2021 of a loss of $159 million ($119 million after-tax) in 2020 resulting from the Texas Eastern rate case settlement that re-established the Excess Accumulated Deferred Income Tax (EDIT) regulated liability that was previously eliminated in December 2018.

40

After taking into consideration the factors above, the remaining $190 million increase in earnings attributable to common shareholders is primarily explained by the following significant business factors:

•stronger contributions from our Liquids Pipelines segment due to a higher IJT Benchmark Toll;

•increased earnings from our Gas Distribution and Storage segment due to higher distribution charges resulting from increases in rates and customer base;

•increased earnings from new assets being placed into service, including: the Atlantic Bridge Phase III project in our Gas Transmission and Midstream segment (with in-service notification to FERC in January of 2021), and the Woodland Pipeline Expansion project in our Liquids Pipelines segment (placed into service in June of 2021); and

•lower interest expense primarily due to lower rates.

The positive business factors above were partially offset by the following:

•decreased earnings from our Energy Services segment due to the significant compression of location and quality differentials in certain markets, fewer storage opportunities due to market backwardation, adverse impacts from the major winter storm experienced across the US Midwest during February 2021 and fewer opportunities to achieve profitable transportation margins on facilities in which Energy Services holds capacity obligations;

•decreased earnings from our Liquids Pipelines and Gas Transmission and Midstream segments due to the net unfavorable effect of translating US dollar EBITDA to Canadian dollars at a lower average exchange rate in 2021 compared to the same period in 2020;

•the absence in 2021 of the recognition of revenues in 2020 from a rate settlement on Texas Eastern, partially offset by increased revenues due to the absence of pressure restrictions that existed on the Texas Eastern system in 2020; and

•higher income tax expense primarily due to increased earnings, partially offset by a reduction in US minimum tax.

BUSINESS SEGMENTS

LIQUIDS PIPELINES

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Earnings before interest, income taxes and depreciation and amortization	2,044	2,340	4,083	3,190

Three months ended June 30, 2021, compared with the three months ended June 30, 2020

EBITDA was negatively impacted by $396 million due to certain infrequent or other non-operating factors, primarily explained by non-cash, unrealized gains of $145 million in 2021, compared with unrealized gains of $616 million in 2020, reflecting net fair value gains and losses arising from changes in the mark-to-market value of derivative financial instruments used to manage foreign exchange risks. The decrease in mark-to-market gains was partially offset by a property tax settlement of $57 million related to the resolution of Minnesota property tax appeals for 2012-2018.

After taking into consideration the factors above, the remaining $100 million increase is primarily explained by the following significant business factors:

•higher Mainline System ex-Gretna throughput of 2.6 million barrels per day (mmbpd) in 2021 compared with 2.4 mmbpd in 2020 driven by the rebounding demand for crude oil and related products as economies continue to recover from the impacts of the COVID-19 pandemic;

•a higher IJT Benchmark Toll on our Mainline System of US$4.27 in 2021, compared with US$4.21 in 2020;

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•a higher foreign exchange hedge rate used to lock-in US dollar denominated Canadian Mainline revenue;

•an increased CTS surcharge of US$0.11 per barrel in 2021, compared to US$0.005 per barrel in 2020;

•higher throughput on our Athabasca and Waupisoo pipelines as production in the basin recovers from its lowest point in the second quarter of 2020; and

•stronger contributions on our Seaway Crude Pipeline System.

The positive business factors above were partially offset by the following factors:

•the net unfavorable effect of translating US dollar EBITDA to Canadian dollars at a lower average exchange rate in 2021 compared with 2020; and

•lower throughput on our Flanagan South Pipeline (Flanagan South) as a result of robust refinery demand in PADD II resulting in less volumes available to move towards the US Gulf Coast.

Six months ended June 30, 2021, compared with the six months ended June 30, 2020

EBITDA was positively impacted by $831 million due to certain infrequent or other non-operating factors, primarily explained by the following:

•non-cash, unrealized gains of $306 million in 2021, compared with unrealized losses of $450 million in 2020, reflecting net fair value gains and losses arising from changes in the mark-to-market value of derivative financial instruments used to manage foreign exchange risks; and

•a property tax settlement of $57 million related to the resolution of Minnesota property tax appeals for 2012-2018.

After taking into consideration the factors above, the remaining $62 million increase is primarily explained by the following significant business factors:

•a higher IJT Benchmark Toll on our Mainline System of US$4.27 in 2021, compared with US$4.21 in 2020;

•a higher foreign exchange hedge rate used to lock-in US dollar denominated Canadian Mainline revenue;

•an increased CTS surcharge of US$0.11 per barrel in 2021, compared to US$0.005 per barrel in 2020;

•higher throughput on our Athabasca and Waupisoo pipelines as production in the basin recovers from its lowest point in the second quarter of 2020; and

•stronger contributions on our Seaway Crude Pipeline System.

The positive business factors above were partially offset by the following factors:

•the net unfavorable effect of translating US dollar EBITDA to Canadian dollars at a lower average exchange rate in 2021, compared with the same period in 2020; and

•lower throughput on our Flanagan South as a result of robust refinery demand in PADD II resulting in less volumes available to move towards the US Gulf Coast.

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GAS TRANSMISSION AND MIDSTREAM

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Earnings/(loss) before interest, income taxes and depreciation and amortization	868	950	1,841	(104)

Three months ended June 30, 2021, compared with the three months ended June 30, 2020

EBITDA was negatively impacted by $42 million due to certain unusual, infrequent or other non-operating factors, primarily explained by a non-cash, negative equity earnings adjustment of $47 million in 2021, compared with a net negative adjustment of $22 million in 2020 relating to changes in the mark-to-market value of derivative financial instruments of our equity method investee, DCP Midstream.

After taking into consideration the factors above, the remaining $40 million decrease is primarily explained by the following significant business factors:

•the net unfavorable effect of translating US dollar EBITDA to Canadian dollars at a lower average exchange rate in 2021, compared to the same period in 2020; and

•the absence in 2021 of the recognition of revenues in 2020 that related to the settlement of interim rates collected from shippers on Texas Eastern, retroactive to June 1, 2019.

The business factors above were partially offset by the following positive factors:

•increased revenue on our US Gas Transmission assets due to the absence of pressure restrictions that existed on the Texas Eastern system in 2020; and

•contributions from the Atlantic Bridge Phase III project with in-service notification to FERC in January 2021.

Six months ended June 30, 2021, compared with the six months ended June 30, 2020

EBITDA was positively impacted by $2.1 billion due to certain unusual, infrequent or other non-operating factors, primarily explained by the following:

•the absence in 2021 of a non-cash impairment to the carrying value of our investment in DCP Midstream of $1.7 billion recognized in 2020;

•the absence in 2021 of a loss of $324 million resulting from asset and goodwill impairment losses within DCP Midstream recognized in 2020;

•the absence in 2021 of a loss of $159 million in 2020 resulting from the Texas Eastern rate case settlement that re-established the EDIT regulated liability that was previously eliminated in December 2018; and

•a non-cash, negative equity earnings adjustment of $66 million in 2021, compared with a positive adjustment of $31 million in 2020 relating to changes in the mark-to-market value of derivative financial instruments of our equity method investee, DCP Midstream which partially offset the positive factors above.

After taking into consideration the factors above, the remaining $130 million decrease is primarily explained by the following significant business factors:

•the net unfavorable effect of translating US dollar EBITDA at a lower Canadian to US dollar average exchange rate in 2021, compared to the same period in 2020; and

•the absence in 2021 of the recognition of revenues in 2020 that related to the settlement of interim rates collected from shippers on Texas Eastern, retroactive to June 1, 2019.

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The business factors above were partially offset by the following positive factors:

•increased revenue on our US Gas Transmission assets due to the absence of pressure restrictions that existed on the Texas Eastern system in 2020; and

•contributions from the Atlantic Bridge Phase III project with in-service notification to FERC in January 2021.

GAS DISTRIBUTION AND STORAGE

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Earnings before interest, income taxes and depreciation and amortization	458	383	1,092	987

Three months ended June 30, 2021, compared with the three months ended June 30, 2020

EBITDA was positively impacted by $20 million due to certain unusual, infrequent and other non-operating factors, primarily explained by a non-cash, unrealized gain of $12 million in 2021, compared with an unrealized loss of $15 million in 2020 arising from the change in the mark-to-market value of Noverco's derivative financial instruments. This positive factor was partially offset by employee transition and transformation costs of $14 million in 2021, compared to $8 million in 2020.

After taking into consideration the factor above, the remaining $55 million increase is primarily explained by the following business factors:

•lower operating and administrative expenses, largely due to achieved efficiencies; and

•higher distribution charges resulting from increases in rates and customer base growth.

The positive business factors above were partially offset by the effect of weather experienced in our service area. When compared with the normal weather forecast embedded in rates, 2021 had a negligible impact to 2021 EBITDA while the colder than normal weather in 2020 positively impacted 2020 EBITDA by approximately $22 million.

Six months ended June 30, 2021, compared with the six months ended June 30, 2020

EBITDA was positively impacted by $13 million due to certain unusual, infrequent and other non-operating factors, primarily explained by a non-cash, unrealized gain of $14 million in 2021, compared with an unrealized loss of $9 million in 2020 arising from the change in the mark-to-market value of Noverco's derivative financial instruments. This positive factor was partially offset by employee transition and transformation costs of $28 million in 2021, compared to $15 million in 2020.

After taking into consideration the factor above, the remaining $92 million increase is primarily explained by the following business factors:

•higher distribution charges resulting from increases in rates and customer base growth;

•higher optimization revenue, mainly relating to our storage assets; and

•lower operating and administrative expenses, largely due to achieved efficiencies.

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RENEWABLE POWER GENERATION

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Earnings before interest, income taxes and depreciation and amortization	115	163	271	283

Three months ended June 30, 2021, compared with the three months ended June 30, 2020

EBITDA was negatively impacted by $11 million due to certain unusual, infrequent and other non-operating factors, primarily explained by an absence in 2021 of a gain of $4 million on disposal and a $9 million further revision to the fair value of our Montana-Alberta Tie Line (MATL) transmission assets in 2020.

After taking into consideration the factor above, the remaining $37 million decrease is primarily explained by the following business factors:

•the absence in 2021 of reimbursements received in 2020 at certain Canadian wind facilities resulting from a change in operator; and

•weaker wind resources at Canadian wind facilities.

Six months ended June 30, 2021, compared with the six months ended June 30, 2020

EBITDA was negatively impacted by $11 million due to certain unusual, infrequent and other non-operating factors, primarily explained by an absence in 2021 of a gain of $4 million on disposal and a $9 million further revision to the fair value of our MATL transmission assets in 2020.

After taking into consideration the factor above, the remaining $1 million decrease is primarily explained by the following business factors:

•    weaker wind resources at the Canadian and US wind facilities and the effects from the winter storm in Texas during February 2021; and

•    the absence in 2021 of reimbursements received in 2020 at certain Canadian wind facilities resulting from a change in operator.

The business factors above were partially offset by the sale of a 49% interest of an entity that holds our 50% interest in EMF.

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ENERGY SERVICES

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Earnings/(loss) before interest, income taxes and depreciation and amortization	(239)	(99)	(175)	22

EBITDA from Energy Services is dependent on market conditions and results achieved in one period may not be indicative of results to be achieved in future periods.

Three months ended June 30, 2021, compared with the three months ended June 30, 2020

EBITDA was positively impacted by $32 million due to certain non-operating factors, explained by a non-cash, unrealized loss of $153 million in 2021, compared with a loss of $525 million in 2020, reflecting the revaluation of derivatives used to manage the profitability of transportation and storage transactions, as well as manage the exposure to movements in commodity prices. This positive factor was offset by the absence in 2021 of a net positive adjustment to crude oil and natural gas inventories of $340 million in 2020.

After taking into consideration the factors above, the remaining $172 million decrease is primarily explained by the following significant factors:

•the significant compression of location and quality differentials in certain markets;

•limited storage opportunities in 2021 due to market backwardation compared to favorable storage opportunities in 2020; and

•fewer opportunities to achieve profitable transportation margins on facilities in which Energy Services holds capacity obligations.

Six months ended June 30, 2021, compared with the six months ended June 30, 2020

EBITDA was positively impacted by $37 million due primarily to a non-operating, non-cash, unrealized loss of $14 million in 2021, compared with a loss of $49 million in 2020, reflecting the revaluation of derivatives used to manage the profitability of transportation and storage transactions, as well as manage the exposure to movements in commodity prices.

After taking into consideration the factors above, the remaining $234 million decrease is primarily explained by the following significant factors:

•significant compression of location and quality differentials in certain markets;

•limited storage opportunities in 2021 due to market backwardation compared to favorable storage opportunities in 2020;

•fewer opportunities to achieve profitable transportation margins on facilities in which Energy Services holds capacity obligations; and

•adverse impacts from the major winter storm experienced across the US Midwest during February 2021.

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ELIMINATIONS AND OTHER

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Earnings/(loss) before interest, income taxes and depreciation and amortization	92	261	312	(705)

Eliminations and Other includes operating and administrative costs and the impact of foreign exchange hedge settlements, which are not allocated to business segments. Eliminations and Other also includes the impact of new business development activities and corporate investments.

Three months ended June 30, 2021, compared with the three months ended June 30, 2020

EBITDA was negatively impacted by $253 million due to certain unusual, infrequent and other non-operating factors, primarily explained a non-cash, unrealized gain of $83 million in 2021, compared with an unrealized gain of $585 million in 2020, reflecting the change in the mark-to-market value of derivative financial instruments used to manage foreign exchange risk.

The factors above were partially offset by the following positive factors:

•employee severance, transition and transformation costs of $20 million in 2021, compared to $253 million in 2020 primarily related to our voluntary workforce reduction program offered in the second quarter of 2020; and

•a non-cash, unrealized intercompany foreign exchange loss of $3 million in 2021, compared to $22 million in 2020.

After taking into consideration the non-operating factors above, the remaining $84 million increase is primarily explained by realized gains related to settlements under our enterprise-wide foreign exchange risk management program which substantially offset the foreign currency exposures realized within our business segments' results. This factor was partially offset by the timing of the recovery of certain operating administrative costs allocated to the business segments.

Six months ended June 30, 2021, compared with the six months ended June 30, 2020

EBITDA was positively impacted by $836 million due to certain unusual, infrequent and other non-operating factors, primarily explained by the following:

•a non-cash, unrealized gain of $197 million in 2021, compared with an unrealized loss of $313 million in 2020, reflecting the change in the mark-to-market value of derivative financial instruments used to manage foreign exchange risk;

•employee severance, transition and transformation costs of $39 million in 2021, compared to $257 million in 2020;

•the absence in 2021 of a loss of $74 million in 2020 from non-cash changes in a corporate guarantee obligation; and

•the absence in 2021 of a loss of $43 million in 2020 from the write-down of certain minor investments in emerging energy and other technologies.

After taking into consideration the non-operating factors above, the remaining $181 million increase is primarily explained by realized gains related to settlements under our enterprise-wide foreign exchange risk management program which substantially offset the foreign currency exposures realized within our business segments' results. This factor was partially offset by the timing of the recovery of certain operating administrative costs allocated to the business segments.

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GROWTH PROJECTS – COMMERCIALLY SECURED PROJECTS

The following table summarizes the status of our significant commercially secured projects, organized by business segment:

		Enbridge's Ownership Interest		Estimated Capital Cost1	Expenditures to Date2	Status	Expected In-Service Date
(Canadian dollars, unless stated otherwise)
LIQUIDS PIPELINES
1.	US Line 3 Replacement Program	100	%	US$4.0 billion	US$3.1 billion	Under construction	Q4 - 2021
2.	Southern Access Expansion3	100	%	US$0.5 billion	US$0.5 billion	Under construction	Q4 - 2021
3.	Other - US	100	%	US$0.1 billion	US$0.1 billion	Under construction	Q3 - 2021
GAS TRANSMISSION AND MIDSTREAM
4.	T-South Reliability & Expansion Program	100	%	$1.0 billion	$0.8 billion	Under construction	Q4 - 2021
5.	Spruce Ridge Project	100	%	$0.5 billion	$0.3 billion	Under construction	Q4 - 2021
6.	Other - US	Various		US$0.8 billion	US$0.4 billion	Various stages	2021 - 2023
GAS DISTRIBUTION AND STORAGE
7.	System Enhancement Projects	100	%	$0.3 billion	No significant expenditures to date	Various stages	2021 - 2022
8.	Storage Enhancements	100	%	$0.1 billion	No significant expenditures to date	Under construction	2021 - 2022
9.	Community Expansion Program4	100	%	$0.1 billion	No significant expenditures to date	Pre-construction	2022 - 2027
RENEWABLE POWER GENERATION
10.	East-West Tie Line	25.0	%	$0.2 billion	$0.1 billion	Under construction	1H - 2022
11.	Solar Self-Power Projects5	100	%	US$0.1 billion	No significant expenditures to date	Various stages	2H - 2022
12.	Saint-Nazaire France Offshore Wind Project6	25.5	%	$0.9 billion	$0.4 billion	Under construction	2H - 2022
				(€0.6 billion)	(€0.2 billion)
13.	Fécamp Offshore Wind Project7	17.9	%	$0.7 billion	$0.2 billion	Under construction	2023
				(€0.5 billion)	(€0.1 billion)
14.	Calvados Offshore Wind Project8	21.7	%	$0.9 billion	No significant expenditures to date	Under construction	2024
				(€0.6 billion)

1 These amounts are estimates and are subject to upward or downward adjustment based on various factors. Where appropriate, the amounts reflect our share of joint venture projects.

2 Expenditures to date reflect total cumulative expenditures incurred from inception of the project to June 30, 2021.

3 The status and in-service date will coincide with the status and in-service date of the US L3R Program.

4 Represents Phase 2 of the Natural Gas Expansion Program (the Program) and the estimated capital cost is presented net of the maximum funding assistance we expect to receive from the Government of Ontario. The expected in-service dates represent the expected completion dates of the leave to construct requirements.

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5 Self-Power Projects consists of four solar projects along our US Mainline and Flanagan South liquids systems. All four will be located at existing pump stations—Adams (6.9 MW), Vesper (8.8 MW) and Portage (8 MW) in central Wisconsin, and Flanagan (10 MW) in north-central Illinois.

6 Reflects the sale of 49% of an entity that holds our 50% interest in EMF to CPP Investments that closed in the first quarter of 2021. Our equity contribution is $0.15 billion, with the remainder of the project financed through non-recourse project level debt.

7 Reflects the sale of 49% of an entity that holds our 50% interest in EMF to CPP Investments that closed in the first quarter of 2021. Our equity contribution is $0.1 billion, with the remainder of the project financed through non-recourse project level debt.

8 Reflects the sale of 49% of an entity that holds our 50% interest in EMF to CPP Investments that closed in the first quarter of 2021. Our equity contribution is $0.1 billion, with the remainder of the project financed through non-recourse project level debt

A full description of each of our projects is provided in our annual report on Form 10-K for the year ended December 31, 2020. Significant updates that have occurred since the date of filing of our Form 10-K are discussed below.

GAS DISTRIBUTION AND STORAGE

•System Enhancement Projects – Consists of the London Line Replacement Project and the Lake Shore KOL Replacement Project. The London Line Replacement Project will replace the two current pipelines known collectively as the London Line and includes the construction of approximately 90.5-kilometers of natural gas pipeline and ancillary facilities in southern Ontario. The project is expected to be placed into service in the fourth quarter of 2021. The Lake Shore KOL Replacement Project is a replacement of approximately 4.5-kilometers of natural gas pipeline and ancillary facilities of the Cherry to Bathurst segment of the Kipling Oshawa Loop (KOL) along Lake Shore Boulevard in the City of Toronto. The project is expected to be placed into service in the second half of 2022.

•Community Expansion Program – The Program was created under the Access to Natural Gas Act, 2018 to help expand access to natural gas to areas of Ontario that currently do not have access to the natural gas distribution system. Funding assistance was approved for Enbridge Gas under Phase 1 of the Program. To date, Enbridge Gas has initiated five of the projects approved for funding under the Program, with continued progress through 2021. On June 8, 2021, the Government of Ontario approved additional funding for projects under Phase 2 of the Program, under which Enbridge Gas will be provided up to $214 million in funding assistance to deliver 27 expansion projects throughout Ontario.

RENEWABLE POWER GENERATION

•Solar Self-Power Projects – Phase 1 of the project is comprised of four solar projects co-located at existing pump stations with behind-the-meter interconnections. The projects are expected to support our emissions reduction goals and are expected to be placed into service in the second half of 2022.

•Calvados Offshore Wind Project – an offshore wind project located off the northwest coast of France that is expected to generate approximately 448 MW. Project revenues are underpinned by a 20-year fixed price power purchase agreement.

During the first quarter of 2021, we sold 49% of an entity that holds our 50% interest in EMF to CPP Investments. EMF holds equity interests in the Fécamp Offshore Wind Project, the Saint-Nazaire France Offshore Wind Project and the Calvados Offshore Wind Project. CPP Investments will fund their 49% share of all ongoing future development capital.

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GROWTH PROJECTS - REGULATORY MATTERS

United States Line 3 Replacement Program

On February 3, 2020, and through its subsequent order on May 1, 2020, the Minnesota Public Utilities Commission (MNPUC) deemed the second revised final Environmental Impact Statement (EIS) for the US L3R Program adequate and reinstated the Certificate of Need and Route Permit, allowing for construction of the pipeline to commence following the issuance of required permits. After each environmental permitting agency issued their respective permits, the MNPUC issued its Authorization to Construct to Enbridge. With all required permits received, we commenced construction on December 1, 2020. Actions for injunctive relief at state and federal levels against the project have failed or have been denied to date. On June 14, 2021, based on subsequent consolidated appeals of the EIS, Certificate of Need and Route Permit, the Minnesota Court of Appeals affirmed the MNPUC’s determinations for the US L3R Program. On July 14, 2021, several parties sought further review of this decision by the Minnesota Supreme Court. Currently, construction in Minnesota continues despite ongoing appellate review; however, judicial decisions may impact construction activities.

OTHER ANNOUNCED PROJECTS UNDER DEVELOPMENT

We have announced the following projects, but neither have met our criteria to be classified as commercially secured:

GAS TRANSMISSION AND MIDSTREAM

•Rio Bravo Pipeline – The Rio Bravo Pipeline is designed to transport up to 4.5 billion cubic feet per day of natural gas from the Agua Dulce supply area to NextDecade's Rio Grande LNG export facility in the Port of Brownsville, Texas. We have acquired the Rio Bravo Pipeline development project from NextDecade. In addition, we have executed a precedent agreement with NextDecade under which we will provide firm transportation capacity on the Rio Bravo Pipeline to NextDecade's Rio Grande LNG export facility for a term of at least 20 years. Construction of the pipeline will be subject to the Rio Grande LNG export facility reaching a final investment decision which is forecasted to occur in the second half of 2021.

•Ridgeline Expansion Project Opportunity – We are working on a potential expansion of the ETNG system which would provide additional natural gas for the Tennessee Valley Authority (TVA) to support the replacement of an existing coal-fired power plant as it continues to transition its generation mix towards lower-carbon fuels. The TVA environmental review scoping process has begun for this proposed plant; TVA published a Notice of Intent (NOI) on the Federal Register on June 15, 2021 to initiate their review process. Several options to replace the retiring coal-fired generation would be assessed in TVA’s EIS. Should the onsite natural gas option of building a combined cycle plant be selected through TVA’s review, we would deliver on the required expansion of the East Tennessee system. ETNG’s proposed project would consist of the installation of additional pipeline primarily along the ETNG system, the installation of one electric-powered compressor station and solar facilities behind the meter, as well as other design features all contributing to minimizing greenhouse gas emissions. Should TVA’s environmental assessment determine that the natural gas solution of building an onsite combined cycle plant is the optimal supply source, and pending the approval and receipt of all necessary permits, construction of the pipeline would begin in 2025 with a target in-service date of fall 2026.

We also have a portfolio of additional projects under development that have not yet progressed to the point of securement.

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LIQUIDITY AND CAPITAL RESOURCES

The maintenance of financial strength and flexibility is fundamental to our growth strategy, particularly in light of the significant number and size of capital projects currently secured or under development. Access to timely funding from capital markets could be limited by factors outside our control, including but not limited to financial market volatility resulting from economic and political events both inside and outside North America. To mitigate such risks, we actively manage financial plans and strategies to help ensure we maintain sufficient liquidity to meet routine operating and future capital requirements. In the near term, we generally expect to utilize cash from operations together with commercial paper issuance and/or credit facility draws and the proceeds of capital market offerings to fund liabilities as they become due, finance capital expenditures, fund debt retirements and pay common and preference share dividends. We target to maintain sufficient liquidity through securement of committed credit facilities with a diversified group of banks and financial institutions to enable us to fund all anticipated requirements for approximately one year without accessing the capital markets.

Our financing plan is regularly updated to reflect evolving capital requirements and financial market conditions and identifies a variety of potential sources of debt and equity funding alternatives. Our current financing plan does not include any issuances of additional common equity.

CAPITAL MARKET ACCESS

We ensure ready access to capital markets, subject to market conditions, through maintenance of shelf prospectuses that allow for issuance of long-term debt, equity and other forms of long-term capital when market conditions are attractive.

Credit Facilities and Liquidity

To ensure ongoing liquidity and to mitigate the risk of capital market disruption, we maintain ready access to funds through committed bank credit facilities and actively manage our bank funding sources to optimize pricing and other terms. The following table provides details of our committed credit facilities as at June 30, 2021:

	Maturity1	Total Facilities	Draws2	Available
(millions of Canadian dollars)
Enbridge Inc.	2022-2024	9,125	7,446	1,679
Enbridge (U.S.) Inc.	2022-2024	6,811	3,076	3,735
Enbridge Pipelines Inc.	2022	3,000	494	2,506
Enbridge Gas Inc.	2022	2,000	1,410	590
Total committed credit facilities		20,936	12,426	8,510

1Maturity date is inclusive of the one-year term out option for certain credit facilities.

2Includes facility draws and commercial paper issuances that are back-stopped by credit facilities.

On February 10, 2021, Enbridge Inc. entered into a three year, revolving, extendible, sustainability-linked credit facility for $1.0 billion with a syndicate of lenders and concurrently terminated our one year, revolving, syndicated credit facility for $3.0 billion.

On February 25, 2021, two term loans with an aggregate total of US$500 million were repaid with proceeds from a floating rate notes issuance.

On July 22 and 23, 2021, we renewed approximately $8.0 billion of our five-year credit facilities, extending the maturity date out to July 2026. We also extended approximately $10.0 billion of our 364-day extendible credit facilities to July 2022, which includes a one-year term out provision to July 2023.

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In addition to the committed credit facilities noted above, we maintain $1.4 billion of uncommitted demand credit facilities, of which $978 million was unutilized as at June 30, 2021. As at December 31, 2020, we had $849 million of uncommitted demand credit facilities, of which $533 million was unutilized.

Our net available liquidity of $8.9 billion as at June 30, 2021, was inclusive of $374 million of unrestricted cash and cash equivalents as reported in the Consolidated Statements of Financial Position.

Our credit facility agreements and term debt indentures include standard events of default and covenant provisions whereby accelerated repayment and/or termination of the agreements may result if we were to default on payment or violate certain covenants. As at June 30, 2021, we were in compliance with all debt covenants and we expect to continue to comply with such covenants.

LONG-TERM DEBT ISSUANCES

During the six months ended June 30, 2021, we completed the following long-term debt issuances totaling US$2.0 billion and $800 million:

Company	Issue Date		Principal Amount
(millions of Canadian dollars unless otherwise stated)
Enbridge Inc.
	February 2021	Floating rate notes due February 20231	US$500
	June 2021	2.50% Sustainability-Linked senior notes due August 2033	US$1,000
	June 2021	3.40% senior notes due August 2051	US$500
Enbridge Pipelines Inc.
	May 2021	4.20% medium-term notes due May 2051	$400
	May 2021	2.82% medium-term notes due May 2031	$400

1Notes mature in two years and carry an interest rate set to equal SOFR plus a margin of 40 basis points.

LONG-TERM DEBT REPAYMENTS

During the six months ended June 30, 2021, we completed the following long-term debt repayments totaling $808 million and US$880 million:

Company	Repayment Date		Principal Amount
(millions of Canadian dollars unless otherwise stated)
Enbridge Inc.
	February 2021	4.26% medium-term notes	$200
	March 2021	3.16% medium-term notes	$400
Enbridge Energy Partners, L.P.
	June 2021	4.20% senior notes	US$600
Enbridge Gas Inc.
	May 2021	2.76% medium-term notes	$200
Enbridge Pipelines (Southern Lights) L.L.C.
	June 2021	3.98% senior notes	US$30
Enbridge Southern Lights LP
	June 2021	4.01% senior notes	$8
Spectra Energy Partners, LP
	March 2021	4.60% senior notes	US$250

Strong internal cash flow, ready access to liquidity from diversified sources and a stable business model have enabled us to manage our credit profile. We actively monitor and manage key financial metrics with the objective of sustaining investment grade credit ratings from the major credit rating agencies and ongoing access to bank funding and term debt capital on attractive terms. Key measures of financial strength that are closely managed include the ability to service debt obligations from operating cash flow and the ratio of debt to EBITDA.

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On June 1, 2021, Moody’s upgraded the credit ratings of Enbridge Inc. including our senior unsecured and issuer ratings to Baa1 from Baa2. Moody's also upgraded the credit ratings of our subsidiaries: EEP, EELP, SEP and Texas Eastern. The outlooks of all five entities are stable.

There are no material restrictions on our cash. Total restricted cash of $85 million, as reported on the Consolidated Statements of Financial Position, primarily includes cash collateral, future pipeline abandonment costs collected and held in trust, amounts received in respect of specific shipper commitments and capital projects. Cash and cash equivalents held by certain subsidiaries may not be readily accessible for alternative uses by us.

Excluding current maturities of long-term debt, we had a negative working capital position as at June 30, 2021. The major contributing factor to the negative working capital position was the ongoing funding of our growth capital program.

To address this negative working capital position, we maintain significant liquidity in the form of committed credit facilities and other sources as previously discussed, which enable the funding of liabilities as they become due.

SOURCES AND USES OF CASH

	Six months ended June 30,
	2021	2020
(millions of Canadian dollars)
Operating activities	4,791	5,225
Investing activities	(3,339)	(2,266)
Financing activities	(1,463)	(3,124)
Effect of translation of foreign denominated cash and cash equivalents and restricted cash	(20)	(14)
Net decrease in cash and cash equivalents and restricted cash	(31)	(179)

Significant sources and uses of cash for the six months ended June 30, 2021 and 2020 are summarized below:

Operating Activities

The decrease in cash provided by operating activities was primarily attributable to changes in operating assets and liabilities. Our operating assets and liabilities fluctuate in the normal course due to various factors, including the impact of fluctuations in commodity prices and activity levels on working capital within our business segments, the timing of tax payments, as well as timing of cash receipts and payments generally.

Investing Activities

•The increase in cash used in investing activities was attributable to higher capital expenditures during the six months ended June 30, 2021 compared to the same period in 2020. We are continuing with the execution of our growth capital program which is further described in Growth Projects - Commercially Secured Projects. The timing of project approval, construction and in-service dates impacts the timing of cash requirements. In addition, there were higher proceeds received from dispositions in the second quarter of 2020, as compared to proceeds received from disposition of 49% of our interest in EMF to CPP Investments in the first quarter of 2021.

•The above factors were offset by the absence of contributions to the Gray Oak Holdings LLC equity investment in the first half of 2021 compared to the same period in 2020, due to the fact that Gray Oak Pipeline was placed into service in March 2020.

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Financing Activities

•The decrease in cash used in financing activities was primarily attributable to a decrease in repayments of long-term debt and an increase in short-term borrowings.

•The factor above was partially offset by a decrease in issuances of long-term debt, a decrease in commercial paper and credit facility draws, and the redemption of Westcoast Energy Inc.'s preferred shares in the first quarter of 2021.

•Our common share dividend payments increased period-over-period primarily due to the increase in our common share dividend rate.

SUMMARIZED FINANCIAL INFORMATION

On January 22, 2019, Enbridge entered into supplemental indentures with its wholly-owned subsidiaries, SEP and EEP (the Partnerships), pursuant to which Enbridge fully and unconditionally guaranteed, on a senior unsecured basis, the payment obligations of the Partnerships with respect to the outstanding series of notes issued under the respective indentures of the Partnerships. Concurrently, the Partnerships entered into a subsidiary guarantee agreement pursuant to which they fully and unconditionally guaranteed, on a senior unsecured basis, the outstanding series of senior notes of Enbridge. The Partnerships have also entered into supplemental indentures with Enbridge pursuant to which the Partnerships have issued full and unconditional guarantees, on a senior unsecured basis, of senior notes issued by Enbridge subsequent to January 22, 2019. As a result of the guarantees, holders of any of the outstanding guaranteed notes of the Partnerships (the Guaranteed Partnership Notes) are in the same position with respect to the net assets, income and cash flows of Enbridge as holders of Enbridge's outstanding guaranteed notes (the Guaranteed Enbridge Notes), and vice versa. Other than the Partnerships, Enbridge subsidiaries (including the subsidiaries of the Partnerships, collectively, the Subsidiary Non-Guarantors), are not parties to the subsidiary guarantee agreement and have not otherwise guaranteed any of Enbridge's outstanding series of senior notes.

Consenting SEP notes and EEP notes under Guarantee

SEP Notes1	EEP Notes2
4.750% Senior Notes due 2024	5.875% Notes due 2025
3.500% Senior Notes due 2025	5.950% Notes due 2033
3.375% Senior Notes due 2026	6.300% Notes due 2034
5.950% Senior Notes due 2043	7.500% Notes due 2038
4.500% Senior Notes due 2045	5.500% Notes due 2040
	7.375% Notes due 2045

1As at June 30, 2021, the aggregate outstanding principal amount of SEP notes was approximately US$3.2 billion.

2As at June 30, 2021, the aggregate outstanding principal amount of EEP notes was approximately US$2.4 billion.

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Enbridge Notes under Guarantees

USD Denominated1	CAD Denominated2
Floating Rate Senior Notes due 2022	4.850% Senior Notes due 2022
Floating Rate Senior Notes due 2023	3.190% Senior Notes due 2022
2.900% Senior Notes due 2022	3.940% Senior Notes due 2023
4.000% Senior Notes due 2023	3.940% Senior Notes due 2023
3.500% Senior Notes due 2024	3.950% Senior Notes due 2024
2.500% Senior Notes due 2025	2.440% Senior Notes due 2025
4.250% Senior Notes due 2026	3.200% Senior Notes due 2027
3.700% Senior Notes due 2027	6.100% Senior Notes due 2028
3.125% Senior Notes due 2029	2.990% Senior Notes due 2029
2.500% Sustainability-Linked Senior Notes due 2033	7.220% Senior Notes due 2030
4.500% Senior Notes due 2044	7.200% Senior Notes due 2032
5.500% Senior Notes due 2046	5.570% Senior Notes due 2035
4.000% Senior Notes due 2049	5.750% Senior Notes due 2039
3.400% Senior Notes due 2051	5.120% Senior Notes due 2040
	4.240% Senior Notes due 2042
	4.570% Senior Notes due 2044
	4.870% Senior Notes due 2044
	4.560% Senior Notes due 2064

1As at June 30, 2021, the aggregate outstanding principal amount of the Enbridge US dollar denominated notes was approximately US$9.5 billion.

2As at June 30, 2021, the aggregate outstanding principal amount of the Enbridge Canadian dollar denominated notes was approximately $7.7 billion.

The following Summarized Combined Statement of Earnings and Summarized Combined Statements of Financial Position combines the balances of EEP, SEP and Enbridge Inc.

Summarized Combined Statement of Earnings

	Six months ended June 30, 2021
(millions of Canadian dollars)
Operating income	(30)
Earnings	1,999
Earnings attributable to common shareholders	1,817

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Summarized Combined Statements of Financial Position

	June 30, 2021	December 31, 2020
(millions of Canadian dollars)
Accounts receivable from affiliates	2,626	2,108
Short-term loans receivable from affiliates	4,840	4,926
Other current assets	528	375
Long-term loans receivable from affiliates	45,281	43,217
Other long-term assets	3,971	4,237
Accounts payable to affiliates	1,607	1,267
Short-term loans payable to affiliates	4,584	4,117
Other current liabilities	4,435	5,628
Long-term loans payable to affiliates	35,854	32,035
Other long-term liabilities	38,989	41,353

The Guaranteed Enbridge Notes and the Guaranteed Partnership Notes are structurally subordinated to the indebtedness of the Subsidiary Non-Guarantors in respect of the assets of those Subsidiary Non-Guarantors.

Under US bankruptcy law and comparable provisions of state fraudulent transfer laws, a guarantee can be voided, or claims may be subordinated to all other debts of that guarantor if, among other things, the guarantor, at the time the indebtedness evidenced by its guarantee or, in some states, when payments become due under the guarantee:

•received less than reasonably equivalent value or fair consideration for the incurrence of the guarantee and was insolvent or rendered insolvent by reason of such incurrence;

•was engaged in a business or transaction for which the guarantor’s remaining assets constituted unreasonably small capital; or

•intended to incur, or believed that it would incur, debts beyond its ability to pay those debts as they mature.

The guarantees of the Guaranteed Enbridge Notes contain provisions to limit the maximum amount of liability that the Partnerships could incur without causing the incurrence of obligations under the guarantee to be a fraudulent conveyance or fraudulent transfer under US federal or state law.

Each of the Partnerships is entitled to a right of contribution from the other Partnership for 50% of all payments, damages and expenses incurred by that Partnership in discharging its obligations under the guarantees for the Guaranteed Enbridge Notes.

Under the terms of the guarantee agreement and applicable supplemental indentures, the guarantees of either of the Partnerships of any Guaranteed Enbridge Notes will be unconditionally released and discharged automatically upon the occurrence of any of the following events:

•any direct or indirect sale, exchange or transfer, whether by way of merger, sale or transfer of equity interests or otherwise, to any person that is not an affiliate of Enbridge, of any of Enbridge’s direct or indirect limited partnership of other equity interests in that Partnership as a result of which the Partnership ceases to be a consolidated subsidiary of Enbridge;

•the merger of that Partnership into Enbridge or the other Partnership or the liquidation and dissolution of that Partnership;

•the repayment in full or discharge or defeasance of those Guaranteed Enbridge Notes, as contemplated by the applicable indenture or guarantee agreement;

•with respect to EEP, the repayment in full or discharge or defeasance of each of the consenting EEP notes listed above;

•with respect to SEP, the repayment in full or discharge or defeasance of each of the consenting SEP notes listed above; or

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•with respect to any series of Guaranteed Enbridge Notes, with the consent of holders of at least a majority of the outstanding principal amount of that series of Guaranteed Enbridge Notes.

The guarantee obligations of Enbridge will terminate with respect to any series of Guaranteed Partnership Notes if that series is discharged or defeased.

LEGAL AND OTHER UPDATES

LIQUIDS PIPELINES

Michigan Line 5 Dual Pipelines - Straits of Mackinac Easement

In 2019, the Michigan Attorney General filed a complaint in the Michigan Ingham County Circuit Court (the Court) that requests the Court to declare the easement granted in 1953 that we have for the operation of Line 5 in the Straits of Mackinac (the Straits) to be invalid and to prohibit continued operation of Line 5 in the Straits “as soon as possible after a reasonable notice period to allow orderly adjustments by affected parties”. Ruling on the motions is currently being held in abeyance by the Court pending further developments in the Federal Court cases described below.

On November 13, 2020, the Governor of Michigan and the Director of the Michigan Department of Natural Resources notified us that the State of Michigan (the State) was revoking and terminating the easement granted in 1953 that allows Line 5 to operate across the Straits. The notice demands that the portion of Line 5 that crosses the Straits must be shut down by May 2021. On November 24, 2020, we filed in the US District Court for the Western District of Michigan a Notice of Removal, which removed the State’s November Complaint to Federal Court and a Complaint for Declaratory and Injunctive Relief that requests the US District Court to enjoin the Governor from taking any action to prevent or impede the operation of Line 5. On February 18, 2021, the Judge ruled that the motion to remand back to State Court will be briefed and decided first. Parties were also ordered to collaborate and identify a facilitative mediator. Accordingly, retired US District Court Judge Gerald Rosen was chosen to act as mediator. The parties have had multiple mediation sessions with the mediator.

On January 12, 2021, we responded to the Governor’s Notice of Revocation and Termination of Easement. On February 11, 2021, we sent a further letter to the Department of Natural Resources regarding our rights under the easement and renewing the request to meet and have technical discussions to better understand the State’s concerns. On May 11, 2021, the Governor sent a letter to us stating that if we continued to operate in the Straits past May 12, 2021, the State would consider us as intentionally trespassing and therefore we will be unjustly enriched entitling the State to all profits derived from wrongful use of the State's property. On May 21, 2021, we responded to the letter refuting the State's claims that the pipelines are in trespass. We will vigorously defend our ability to operate Line 5 under the 1953 easement in pending Court actions.

In March 2021, we completed the engineering and design phase of the Great Lakes Tunnel Project and we have begun the process of hiring a contractor to construct the tunnel. We are actively pursuing state and federal regulatory permits from the US Army Corps of Engineers (Army Corps), the Michigan Department of Environment, Great Lakes & Energy (EGLE) and the Michigan Public Service Commission. The EGLE permits were granted in the first quarter of 2021; one of the EGLE permits has been challenged by the Bay Mills Indian Community.

On June 23, 2021, the Army Corps announced they would proceed with an EIS for the Great Lakes Tunnel Project to replace Line 5 at the Straits. On June 23 2021, we issued a statement stating that construction on this project would be delayed due to the EIS.

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Dakota Access Pipeline

We own an effective interest of 27.6% in the Bakken Pipeline System, which is inclusive of the Dakota Access Pipeline (DAPL). The Standing Rock Sioux Tribe and the Cheyenne River Sioux Tribe filed lawsuits in 2016 with the US Court for the District of Columbia (the District Court) contesting the lawfulness of the Army Corps easement for DAPL, including the adequacy of the Army Corps’ environmental review and tribal consultation process. The Oglala Sioux and Yankton Sioux Tribes also filed lawsuits alleging similar claims in 2018.

On June 14, 2017, the District Court found the Army Corps’ environmental review to be deficient and ordered the Army Corps to conduct further study concerning spill risks from DAPL. In August 2018, the Army Corps completed on remand the further environmental review ordered by the District Court and reaffirmed the issuance of the easement for DAPL. All four plaintiff Tribes subsequently amended their complaints to include claims challenging the adequacy of the Army Corps’ August 2018 remand decision.

On March 25, 2020, in response to amended complaints from the Tribes, the District Court found the Army Corps’ environmental review on remand was deficient and ordered the Army Corps to prepare an EIS to address unresolved controversy pertaining to potential spill impacts resulting from DAPL. On July 6, 2020, the District Court issued an order vacating the Army Corps’ easement for DAPL and ordering that the pipeline be shut down by August 5, 2020. Dakota Access, LLC and the Army Corps appealed the decision and filed a motion for a stay pending appeal with the US Court of Appeals for the District of Columbia Circuit. On August 5, 2020, the US Court of Appeals stayed the District Court’s July 6 order to shut down and empty the pipeline, but did not stay the District Court’s March 25 order requiring the Army Corps to prepare an EIS or the District Court’s July 6 order vacating the DAPL easement.

On January 26, 2021, the US Court of Appeals affirmed the District Court’s decision, holding that the Army Corps is required to prepare an EIS and that the Army Corps’ easement for DAPL is vacated. The US Court of Appeals also determined that, absent considering the closure of DAPL in the context of an injunction proceeding, the District Court could not order DAPL’s operations to cease. While not an issue before the US Court of Appeals, the US Court of Appeals also recognized that the Army Corps could consider whether to allow DAPL to continue to operate in the absence of an easement.

On May 21, 2021, the District Court dismissed the plaintiff Tribes’ request for an injunction enjoining DAPL from operating until the Army Corps has completed its EIS. The right of the plaintiff Tribes to appeal the denial of the injunction request expired on July 20, 2021. The Army Corps earlier indicated that it did not intend, at that time, to exercise its authority to bar DAPL’s continued operation, notwithstanding the absence of an easement and that it anticipates completing its EIS by March 2022.

On July 22, 2021, the Army Corps filed a notice with the District Court advising that the Pipeline and Hazardous Materials Safety Administration (PHMSA) issued a notice asserting violations of federal safety regulations resulting from the operation of DAPL. The Army Corps stated that it would consider PHMSA’s notice as part of its ongoing consideration of whether and how the Army Corps will enforce its rights on property crossed by the pipeline and in the context of the ongoing EIS. The Army Corps further reported that it has received, but had not made any decisions on, requests from the Tribes to extend certain timelines, including an extension of the EIS completion date to September 2022.

OTHER LITIGATION

We and our subsidiaries are involved in various other legal and regulatory actions and proceedings which arise in the normal course of business, including interventions in regulatory proceedings and challenges to regulatory approvals and permits. While the final outcome of such actions and proceedings cannot be predicted with certainty, management believes that the resolution of such actions and proceedings will not have a material impact on our consolidated financial position or results of operations.

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CAPITAL EXPENDITURE COMMITMENTS

We have signed contracts for the purchase of services, pipe and other materials totaling approximately $2.5 billion which are expected to be paid over the next five years.

TAX MATTERS

We and our subsidiaries maintain tax liabilities related to uncertain tax positions. While fully supportable in our view, these tax positions, if challenged by tax authorities, may not be fully sustained on review.

CHANGES IN ACCOUNTING POLICIES

Refer to Part I. Item 1. Financial Statements - Note 2. Changes in Accounting Policies.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our exposure to market risk is described in Part II. Item 7A. Quantitative and Qualitative Disclosures About Market Risk of our annual report on Form 10-K for the year ended December 31, 2020. We believe our exposure to market risk has not changed materially since then.

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

Disclosure controls and procedures are controls and other procedures that are designed to ensure that information required to be disclosed by us in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified by the SEC's rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to provide reasonable assurance that information required to be disclosed by us in the reports we file or submit under the Exchange Act is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Under the supervision of and with the participation of management, including the Chief Executive Officer and Chief Financial Officer, we have evaluated the effectiveness of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as at June 30, 2021, and based upon this evaluation, the Chief Executive Officer and Chief Financial Officer have concluded that these controls and procedures are effective in ensuring that information required to be disclosed by us in reports that we file with or submit to the SEC and the Canadian Securities Administrators is recorded, processed, summarized and reported within the time periods required.

Changes in Internal Control over Financial Reporting

Under the supervision of and with the participation of management, including the Chief Executive Officer and Chief Financial Officer, we have evaluated changes in internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during the fiscal quarter ended June 30, 2021 and found no change that has materially affected, or is reasonably likely to materially affect, internal control over financial reporting.

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PART II - OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

We are involved in various legal and regulatory actions and proceedings which arise in the ordinary course of business. While the final outcome of such actions and proceedings cannot be predicted with certainty, management believes that the resolution of such actions and proceedings will not have a material impact on our consolidated financial position or results of operations. Refer to Part I. Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations - Legal and Other Updates for discussion of other legal proceedings.

ITEM 1A. RISK FACTORS

In addition to the other information set forth in this report, careful consideration should be given to the factors discussed in Part I. Item 1A. Risk Factors of our annual report on Form 10-K for the year ended December 31, 2020, which could materially affect our financial condition or future results. There have been no material modifications to those risk factors.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

None.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

We issued a press release on July 29, 2021 announcing the appointment of a new Director to our Board, which is attached hereto as Exhibit 99.2.

The Board, on recommendation of its Governance Committee, appointed Mayank (Mike) Ashar to serve until the next Annual Meeting of Shareholders of Enbridge in 2022.

Mr. Ashar was appointed to the Board, effective July 29, 2021, and was appointed to the Human Resources & Compensation Committee and Governance Committee, all effective July 29, 2021.

In accordance with our standard compensatory arrangement for non-employee directors, Mr. Ashar will receive a $285,000 annual retainer, in a combination of cash, Enbridge shares and deferred share units.

We have entered into our standard form of indemnification agreement with Mr. Ashar.

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ITEM 6. EXHIBITS

Each exhibit identified below is included as a part of this quarterly report. Exhibits included in this filing are designated by an asterisk (“*”); all exhibits not so designated are incorporated by reference to a prior filing as indicated.

Exhibit No.	Description
4.1	Eighth Supplemental Indenture to the Indenture between Enbridge Inc. and Deutsche Bank Trust Company Americas, dated June 28, 2021 (incorporated by reference to Exhibit 4.4 to Enbridge’s Current Report on Form 8-K filed June 28, 2021)
22.1*	Subsidiary Guarantors
31.1*	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*	Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2*	Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
99.2*	Press Release of Enbridge Inc. dated July 29, 2021.
101.INS*	XBRL Instance Document.
101.SCH*	Inline XBRL Taxonomy Extension Schema Document.
101.CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF*	Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB*	Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104	Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document (included in Exhibit 101)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

			ENBRIDGE INC.
			(Registrant)
Date:	July 30, 2021	By:	/s/ Al Monaco
			Al Monaco President and Chief Executive Officer
			(Principal Executive Officer)
Date:	July 30, 2021	By:	/s/ Colin K. Gruending
			Colin K. Gruending Executive Vice President and Chief Financial Officer
			(Principal Financial Officer)

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EX-22.1

Exhibit 22.1

Subsidiary Guarantors

As of June 30, 2021, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below:

Subsidiary Guarantors

1.Spectra Energy Partners, LP, a Delaware limited partnership

2.Enbridge Energy Partners, L.P., a Delaware limited partnership

Registered Debt Securities of Enbridge Guaranteed by each of the Subsidiary Guarantors

1.Floating Rate Senior Notes due 2022

2.2.900% Senior Notes due 2022

3.Floating Rate Senior Notes due 2023

4.4.000% Senior Notes due 2023

5.3.500% Senior Notes due 2024

6.2.500% Senior Notes due 2025

7.4.250% Senior Notes due 2026

8.3.700% Senior Notes due 2027

9.3.125% Senior Notes due 2029

10.2.500% Sustainability-Linked Senior Notes due 2033

11.4.500% Senior Notes due 2044

12.5.500% Senior Notes due 2046

13.4.000% Senior Notes due 2049

14.3.400% Senior Notes due 2051

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Al Monaco, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Enbridge Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	July 30, 2021	By:	/s/ Al Monaco
			Al Monaco President and Chief Executive Officer Enbridge Inc.

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Colin K. Gruending, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Enbridge Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.    Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.    Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a.    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b.     Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting

Date:	July 30, 2021	By:	/s/ Colin K. Gruending
			Colin K. Gruending Executive Vice President and Chief Financial Officer (Principal Financial Officer) Enbridge Inc.

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Enbridge Inc. on Form 10-Q for the period ending June 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Al Monaco, President and Chief Executive Officer of Enbridge Inc., certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that:

1.The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Enbridge Inc.

Date:	July 30, 2021	By:	/s/ Al Monaco
			Al Monaco President and Chief Executive Officer Enbridge Inc.

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Enbridge Inc. on Form 10-Q for the period ending June 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Colin K. Gruending, Executive Vice President and Chief Financial Officer of Enbridge Inc., certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that:

1.The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Enbridge Inc.

Date:	July 30, 2021	By:	/s/ Colin K. Gruending
			Colin K. Gruending Executive Vice President and Chief Financial Officer (Principal Financial Officer) Enbridge Inc.

EX-99.2

Exhibit 99.2

NEWS RELEASE     

Enbridge Appoints New Director to its Board

CALGARY, Alberta, July 29, 2021 – Enbridge Inc. (TSX:ENB) (NYSE:ENB)is pleased to announce that its Board of Directors has appointed Mayank (Mike) Ashar as a director of Enbridge.

Mr. Ashar has more than 30 years of energy industry experience. Most recently, Mr. Ashar was Executive Director, Managing Director and Chief Executive Officer of Cairn Energy India Ltd. Prior thereto, he served as President of Irving Oil Ltd. Mr. Ashar is currently a director of Teck Resources Ltd.

“On behalf of the Board of Directors of Enbridge, we are very pleased to welcome Mike to the Enbridge Board. His extensive industry experience will be a strong addition to our Board”, stated Greg Ebel, the Chair of the Board of Directors of Enbridge.

About Enbridge Inc.

Enbridge Inc. is a leading North American energy infrastructure company. We safely and reliably deliver the energy people need and want to fuel quality of life. Our core businesses include Liquids Pipelines, which transports approximately 25 percent of the crude oil produced in North America; Gas Transmission and Midstream, which transports approximately 20 percent of the natural gas consumed in the U.S.; Gas Distribution and Storage, which serves approximately 3.8 million retail customers in Ontario and Quebec; and Renewable Power Generation, which generates approximately 1,763 MW of net renewable power in North America and Europe. The Company's common shares trade on the Toronto and New York stock exchanges under the symbol ENB. For more information, visit www.enbridge.com.

FOR FURTHER INFORMATION PLEASE CONTACT:    

Media

Toll Free: (888) 992-0997

Email: media@enbridge.com

Investment Community

Toll Free: (800) 481-2804

Email: investor.relations@enbridge.com

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Cover Page - shares	6 Months Ended
	Jun. 30, 2021	Jul. 23, 2021
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	1-10934
Entity Registrant Name	ENBRIDGE INC.
Entity Incorporation, State or Country Code	Z4
Entity Tax Identification Number	98-0377957
Entity Address, Address Line One	200, 425 - 1st Street S.W.
Entity Address, City or Town	Calgary
Entity Address, State or Province	AB
Entity Address, Country	CA
Entity Address, Postal Zip Code	T2P 3L8
City Area Code	403
Local Phone Number	231-3900
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		2,025,755,195
Entity Central Index Key	0000895728
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Common shares
Entity Information [Line Items]
Title of 12(b) Security	Common Shares
Trading Symbol	ENB
Security Exchange Name	NYSE
6.375% Fixed-to-Floating Rate Subordinated Notes Series 2018-B due 2078
Entity Information [Line Items]
Title of 12(b) Security	6.375% Fixed-to-Floating Rate Subordinated Notes Series 2018-B due 2078
Trading Symbol	ENBA
Security Exchange Name	NYSE

XML

CONSOLIDATED STATEMENTS OF EARNINGS - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating revenues
Total operating revenues	$ 10,948	$ 7,956	$ 23,085	$ 19,969
Operating expenses
Operating and administrative	1,484	1,801	3,043	3,401
Depreciation and amortization	929	949	1,861	1,831
Total operating expenses	9,132	5,858	18,771	16,358
Operating income/(loss)	1,816	2,098	4,314	3,611
Income from equity investments	352	327	747	490
Impairment of equity investments (Note 8)	0	0	0	(1,736)
Other income/(expense)
Net foreign currency gain/(loss)	159	526	311	(430)
Other	82	98	191	(93)
Interest expense	(618)	(681)	(1,275)	(1,387)
Earnings before income taxes	1,791	2,368	4,288	455
Income tax expense (Note 10)	(270)	(591)	(753)	(42)
Earnings	1,521	1,777	3,535	413
Earnings attributable to noncontrolling interests	(37)	(36)	(59)	(5)
Earnings attributable to controlling interests	1,484	1,741	3,476	408
Preference share dividends	(90)	(94)	(182)	(190)
Earnings attributable to common shareholders	$ 1,394	$ 1,647	$ 3,294	$ 218
Earnings per common share attributable to common shareholders (in Canadian dollars per share)	$ 0.69	$ 0.82	$ 1.63	$ 0.11
Diluted earnings per common share attributable to common shareholders (in Canadian dollars per share)	$ 0.69	$ 0.82	$ 1.63	$ 0.11
Commodity sales
Operating revenues
Total operating revenues	$ 6,334	$ 2,936	$ 12,763	$ 10,325
Operating expenses
Commodity costs and Gas distribution costs	6,430	2,858	12,628	10,021
Transportation and other services
Operating revenues
Total operating revenues	3,877	4,326	8,045	7,534
Gas distribution revenue
Operating revenues
Total operating revenues	737	694	2,277	2,110
Operating expenses
Commodity costs and Gas distribution costs	$ 289	$ 250	$ 1,239	$ 1,105

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Earnings	$ 1,521	$ 1,777	$ 3,535	$ 413
Other comprehensive income/(loss), net of tax
Change in unrealized gain/(loss) on cash flow hedges	(157)	(48)	213	(561)
Change in unrealized gain/(loss) on net investment hedges	129	340	222	(375)
Other comprehensive income from equity investees	24	30	2	20
Excluded components of fair value hedges	(1)	5	(2)	8
Reclassification to earnings of loss on cash flow hedges	61	48	113	80
Reclassification to earnings of pension and other postretirement benefits (OPEB) amounts	6	4	11	7
Foreign currency translation adjustments	(835)	(2,701)	(1,631)	2,936
Other comprehensive income/(loss), net of tax	(773)	(2,322)	(1,072)	2,115
Comprehensive income/(loss)	748	(545)	2,463	2,528
Comprehensive (income)/loss attributable to noncontrolling interests	(9)	50	(6)	(95)
Comprehensive income/(loss) attributable to controlling interests	739	(495)	2,457	2,433
Preference share dividends	(90)	(94)	(182)	(190)
Comprehensive income/(loss) attributable to common shareholders	$ 649	$ (589)	$ 2,275	$ 2,243

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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	Adjustment Deficit
Balance at the beginning of the period at Dec. 31, 2019		$ 7,747	$ 64,746	$ 187	$ (6,314)	$ (272)	$ (51)		$ 3,364	$ (66)
Increase (Decrease) in Stockholders' Equity
Options exercised			17	(18)
Stock-based compensation				19
Change in reciprocal interest				12			4
Other				7
Earnings attributable to controlling interests	$ 408				408
Preference share dividends					(190)
Dividends paid to reciprocal shareholder					10
Common share dividends declared					(1,641)
Other					(4)				0
Other comprehensive income/(loss) attributable to common shareholders, net of tax						2,025
Earnings attributable to noncontrolling interests									5
Change in unrealized loss on cash flow hedges									(3)
Foreign currency translation adjustments									93
Contributions									20
Distributions									(164)
Balance at the end of the period at Jun. 30, 2020	$ 69,941	7,747	64,763	207	(7,797)	1,753	(47)	$ 66,626	3,315
Increase (Decrease) in Stockholders' Equity
Dividends paid per common share (in Canadian dollars per share)	$ 1.620
Balance at the beginning of the period at Mar. 31, 2020		7,747	64,760	202	(7,808)	3,989	(47)		3,448
Increase (Decrease) in Stockholders' Equity
Options exercised			3	(2)
Stock-based compensation				5
Change in reciprocal interest	$ 0						0
Other				2
Earnings attributable to controlling interests	1,741				1,741
Preference share dividends					(94)
Dividends paid to reciprocal shareholder					5
Common share dividends declared					(1,641)
Other					0				0
Other comprehensive income/(loss) attributable to common shareholders, net of tax						(2,236)
Earnings attributable to noncontrolling interests									36
Change in unrealized loss on cash flow hedges									(1)
Foreign currency translation adjustments									(85)
Contributions									5
Distributions									(88)
Balance at the end of the period at Jun. 30, 2020	$ 69,941	7,747	64,763	207	(7,797)	1,753	(47)	66,626	3,315
Increase (Decrease) in Stockholders' Equity
Dividends paid per common share (in Canadian dollars per share)	$ 0.810
Balance at the beginning of the period at Dec. 31, 2020	$ 64,363	7,747	64,768	277	(9,995)	(1,401)	(29)		2,996
Increase (Decrease) in Stockholders' Equity
Options exercised			12	(8)
Stock-based compensation				16
Change in reciprocal interest				39			12
Other				0
Earnings attributable to controlling interests	3,476				3,476
Preference share dividends					(182)
Dividends paid to reciprocal shareholder					5
Common share dividends declared					(1,692)
Other					0				2
Other comprehensive income/(loss) attributable to common shareholders, net of tax						(1,019)
Earnings attributable to noncontrolling interests									59
Change in unrealized loss on cash flow hedges									(6)
Foreign currency translation adjustments									(47)
Contributions									9
Distributions									(143)
Balance at the end of the period at Jun. 30, 2021	$ 64,896	7,747	64,780	324	(8,388)	(2,420)	(17)	62,026	2,870
Increase (Decrease) in Stockholders' Equity
Dividends paid per common share (in Canadian dollars per share)	$ 1.670
Balance at the beginning of the period at Mar. 31, 2021		7,747	64,772	324	(8,093)	(1,675)	(17)		2,930
Increase (Decrease) in Stockholders' Equity
Options exercised			8	(5)
Stock-based compensation				5
Change in reciprocal interest				0			0
Other				0
Earnings attributable to controlling interests	$ 1,484				1,484
Preference share dividends					(90)
Dividends paid to reciprocal shareholder					2
Common share dividends declared					(1,692)
Other					1				2
Other comprehensive income/(loss) attributable to common shareholders, net of tax						(745)
Earnings attributable to noncontrolling interests									37
Change in unrealized loss on cash flow hedges									(3)
Foreign currency translation adjustments									(25)
Contributions									6
Distributions									(77)
Balance at the end of the period at Jun. 30, 2021	$ 64,896	$ 7,747	$ 64,780	$ 324	$ (8,388)	$ (2,420)	$ (17)	$ 62,026	$ 2,870
Increase (Decrease) in Stockholders' Equity
Dividends paid per common share (in Canadian dollars per share)	$ 0.835

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CONSOLIDATED STATEMENTS OF CASH FLOWS - CAD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating activities
Earnings	$ 3,535	$ 413
Adjustments to reconcile earnings to net cash provided by operating activities:
Depreciation and amortization	1,861	1,831
Deferred income tax expense/(recovery)	647	(223)
Changes in unrealized (gain)/loss on derivative instruments, net (Note 9)	(448)	824
Income from equity investments	(747)	(490)
Distributions from equity investments	737	821
Impairment of equity investments (Note 8)	0	1,736
Gain on disposition	(41)	0
Other	(128)	210
Changes in operating assets and liabilities	(625)	103
Net cash provided by operating activities	4,791	5,225
Investing activities
Capital expenditures	(3,463)	(2,352)
Long-term investments and restricted long-term investments	(155)	(335)
Distributions from equity investments in excess of cumulative earnings	246	253
Additions to intangible assets	(118)	(104)
Proceeds from disposition	122	245
Affiliate loans, net	29	27
Net cash used in investing activities	(3,339)	(2,266)
Financing activities
Net change in short-term borrowings	289	(543)
Net change in commercial paper and credit facility draws	739	854
Debenture and term note issues, net of issue costs	3,247	3,479
Debenture and term note repayments	(1,888)	(3,268)
Contributions from noncontrolling interests	9	20
Distributions to noncontrolling interests	(143)	(164)
Common shares issued	3	3
Preference share dividends	(182)	(190)
Common share dividends	(3,382)	(3,280)
Redemption of preferred shares held by subsidiary	(115)	0
Other	(40)	(35)
Net cash used in financing activities	(1,463)	(3,124)
Effect of translation of foreign denominated cash and cash equivalents and restricted cash	(20)	(14)
Net decrease in cash and cash equivalents and restricted cash	(31)	(179)
Cash and cash equivalents and restricted cash at beginning of period	490	676
Cash and cash equivalents and restricted cash at end of period	$ 459	$ 497

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CONSOLIDATED STATEMENTS OF FINANCIAL POSITION - CAD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 374	$ 452
Restricted cash	85	38
Accounts receivable and other	6,108	5,258
Accounts receivable from affiliates	115	66
Inventory	1,480	1,536
Total current assets	8,162	7,350
Property, plant and equipment, net	95,273	94,571
Long-term investments	13,358	13,818
Restricted long-term investments	573	553
Deferred amounts and other assets	8,576	8,446
Intangible assets, net	2,204	2,080
Goodwill	32,014	32,688
Deferred income taxes	567	770
Total assets	160,727	160,276
Current liabilities
Short-term borrowings	1,410	1,121
Accounts payable and other	7,683	9,228
Accounts payable to affiliates	99	22
Interest payable	619	651
Current portion of long-term debt	3,739	2,957
Total current liabilities	13,550	13,979
Long-term debt	63,090	62,819
Other long-term liabilities	8,238	8,783
Deferred income taxes	10,953	10,332
Total liabilities	95,831	95,913
Contingencies (Note 12)
Share capital
Preference shares	7,747	7,747
Common shares (2,026 outstanding at June 30, 2021 and December 31, 2020)	64,780	64,768
Additional paid-in capital	324	277
Deficit	(8,388)	(9,995)
Accumulated other comprehensive loss (Note 7)	(2,420)	(1,401)
Reciprocal shareholding	(17)	(29)
Total Enbridge Inc. shareholders’ equity	62,026	61,367
Noncontrolling interests	2,870	2,996
Total equity	64,896	64,363
Total liabilities and equity	$ 160,727	$ 160,276

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CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Parenthetical) - shares shares in Millions	Jun. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Common shares, outstanding (in shares)	2,026	2,026

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BASIS OF PRESENTATION

6 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

BASIS OF PRESENTATION

BASIS OF PRESENTATION

The accompanying unaudited interim consolidated financial statements of Enbridge Inc. ("we", "our", "us" and "Enbridge") have been prepared in accordance with generally accepted accounting principles in the United States of America (US GAAP) and Regulation S-X for interim consolidated financial information. They do not include all of the information and notes required by US GAAP for annual consolidated financial statements and should therefore be read in conjunction with our audited consolidated financial statements and notes for the year ended December 31, 2020. In the opinion of management, the interim consolidated financial statements contain all normal recurring adjustments necessary to present fairly our financial position, results of operations and cash flows for the interim periods reported. These interim consolidated financial statements follow the same significant accounting policies as those included in our audited consolidated financial statements for the year ended December 31, 2020, except for the adoption of new standards (Note 2). Amounts are stated in Canadian dollars unless otherwise noted.

Our operations and earnings for interim periods can be affected by seasonal fluctuations within the gas distribution utility businesses, as well as other factors such as the supply of and demand for crude oil and natural gas, and may not be indicative of annual results.

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CHANGES IN ACCOUNTING POLICIES

6 Months Ended

Jun. 30, 2021

Accounting Standards Update and Change in Accounting Principle [Abstract]

CHANGES IN ACCOUNTING POLICIES

CHANGES IN ACCOUNTING POLICIES

ADOPTION OF NEW ACCOUNTING STANDARDS

Reference Rate Reform

For eligible hedging relationships existing as at January 1, 2021 and prospectively, we have applied the optional expedient in Accounting Standards Update (ASU) 2020-04 whereby the modification of the hedging instrument does not result in an automatic hedging relationship de-designation. The adoption of this ASU did not have a material impact on our consolidated financial statements.

Clarifying Interaction Between Equity Securities, Equity Method Investments and Derivatives

Effective January 1, 2021, we adopted ASU 2020-01 on a prospective basis. The new standard was issued in January 2020 and clarifies that observable transactions should be considered for the purpose of applying the measurement alternative in accordance with Accounting Standards Codification (ASC) 321 Investments - Equity Securities immediately before the application or upon discontinuance of the equity method of accounting. Furthermore, the ASU clarifies that forward contracts or purchased options on equity securities are not out of scope of ASC 815 Derivatives and Hedging guidance only because, upon the contracts’ exercise, the equity securities could be accounted for under the equity method of accounting or fair value option. The adoption of this ASU did not have a material impact on our consolidated financial statements.

Accounting for Income Taxes

Effective January 1, 2021, we adopted ASU 2019-12 on a prospective basis. The new standard was issued in December 2019 with the intent of simplifying the accounting for income taxes. The accounting update removes certain exceptions to the general principles in ASC 740 Income Taxes as well as provides simplification by clarifying and amending existing guidance. The adoption of this ASU did not have a material impact on our consolidated financial statements.

FUTURE ACCOUNTING POLICY CHANGES

Accounting for Certain Lessor Leases with Variable Lease Payments

ASU 2021-05 was issued in July 2021 to amend lessor accounting for certain leases with variable lease payments that do not depend on a reference index or a rate and would have resulted in the recognition of a loss at lease commencement if classified as a sales-type or a direct financing lease. The ASU amends the classification requirements of such leases for lessors to result in an operating lease classification. ASU 2021-05 is effective January 1, 2022 and can be applied either retrospectively or prospectively with early adoption permitted. We are currently assessing the impact of the new standard on our consolidated financial statements.

Accounting for Modifications or Exchanges of Certain Equity-Classified Contracts

ASU 2021-04 was issued in May 2021 to clarify issuer accounting for modifications or exchanges of freestanding equity-classified written call options that remain equity classified after modification or exchange. The ASU requires an issuer to determine the accounting for the modification or exchange based on the economic substance of the modification or exchange. ASU 2021-04 is effective January 1, 2022 and should be applied prospectively. We are currently assessing the impact of the new standard on our consolidated financial statements.

Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity

ASU 2020-06 was issued in August 2020 to simplify accounting for certain financial instruments. The ASU eliminates the current models that require separation of beneficial conversion and cash conversion features from convertible instruments and simplifies the derivative scope exception guidance pertaining to equity classification of contracts in an entity’s own equity. The ASU also introduces additional disclosures for convertible debt and freestanding instruments that are indexed to and settled in an entity’s own equity. The ASU amends the diluted earnings per share guidance, including the requirement to use if-converted method for all convertible instruments and an update for instruments that can be settled in either cash or shares. ASU 2020-06 is effective January 1, 2022 and should be applied on a full or modified retrospective basis. We are currently assessing the impact of the new standard on our consolidated financial statements.

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REVENUES

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

REVENUES

REVENUES

REVENUE FROM CONTRACTS WITH CUSTOMERS

Major Products and Services

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Transportation revenue	2,157	1,046	150	—	—	—	3,353
Storage and other revenue	37	63	51	—	—	—	151
Gas gathering and processing revenue	—	10	—	—	—	—	10
Gas distribution revenue	—	—	725	—	—	—	725
Electricity and transmission revenue	—	—	—	55	—	—	55
Total revenue from contracts with customers	2,194	1,119	926	55	—	—	4,294
Commodity sales	—	—	—	—	6,334	—	6,334
Other revenue1,2	215	9	12	77	1	6	320
Intersegment revenue	138	—	15	—	10	(163)	—
Total revenue	2,547	1,128	953	132	6,345	(157)	10,948

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Transportation revenue	2,141	1,126	151	—	—	—	3,418
Storage and other revenue	24	66	56	—	—	—	146
Gas gathering and processing revenue	—	5	—	—	—	—	5
Gas distribution revenue	—	—	686	—	—	—	686
Electricity and transmission revenue	—	—	—	54	—	—	54
Total revenue from contracts with customers	2,165	1,197	893	54	—	—	4,309
Commodity sales	—	—	—	—	2,936	—	2,936
Other revenue1,2	598	5	8	96	11	(7)	711
Intersegment revenue	182	1	2	—	2	(187)	—
Total revenue	2,945	1,203	903	150	2,949	(194)	7,956

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Transportation revenue	4,486	2,167	366	—	—	—	7,019
Storage and other revenue	63	137	109	—	—	—	309
Gas gathering and processing revenue	—	17	—	—	—	—	17
Gas distribution revenue	—	—	2,259	—	—	—	2,259
Electricity and transmission revenue	—	—	—	81	—	—	81
Total revenue from contracts with customers	4,549	2,321	2,734	81	—	—	9,685
Commodity sales	—	—	—	—	12,763	—	12,763
Other revenue1,2	427	21	18	168	1	2	637
Intersegment revenue	270	—	24	—	14	(308)	—
Total revenue	5,246	2,342	2,776	249	12,778	(306)	23,085

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Transportation revenue	4,581	2,381	366	—	—	—	7,328
Storage and other revenue	50	145	103	—	—	—	298
Gas gathering and processing revenue	—	12	—	—	—	—	12
Gas distribution revenue	—	—	2,103	—	—	—	2,103
Electricity and transmission revenue	—	—	—	104	—	—	104
Total revenue from contracts with customers	4,631	2,538	2,572	104	—	—	9,845
Commodity sales	—	—	—	—	10,325	—	10,325
Other revenue1,2	(419)	21	7	199	4	(13)	(201)
Intersegment revenue	267	1	6	—	18	(292)	—
Total revenue	4,479	2,560	2,585	303	10,347	(305)	19,969

1 Includes mark-to-market gains from our hedging program for the three months ended June 30, 2021 and 2020 of $131 million and $531 million, respectively. For the six months ended June 30, 2021 and 2020, other revenue includes a $261 million mark-to-market gain and $575 million mark-to-market loss, respectively.

2 Includes revenues from lease contracts for the three months ended June 30, 2021 and 2020 of $143 million and $157 million, respectively and for the six months ended June 30, 2021 and 2020 of $302 million and $315 million, respectively.

We disaggregate revenues into categories which represent our principal performance obligations within each business segment. These revenue categories represent the most significant revenue streams in each segment and consequently are considered to be the most relevant revenue information for management to consider in evaluating performance.

Contract Balances

	Contract Receivables	Contract Assets	Contract Liabilities
(millions of Canadian dollars)
Balance as at June 30, 2021	1,755	213	1,708
Balance as at December 31, 2020	2,042	226	1,815

Contract receivables represent the amount of receivables derived from contracts with customers.

Contract assets represent the amount of revenues which have been recognized in advance of payments received for performance obligations we have fulfilled (or partially fulfilled) and prior to the point in time at which our right to payment is unconditional. Amounts included in contract assets are transferred to accounts receivable when our right to receive the consideration becomes unconditional.

Contract liabilities represent payments received for performance obligations which have not been fulfilled. Contract liabilities primarily relate to make-up rights and deferred revenues. Revenue recognized during the three and six months ended June 30, 2021 included in contract liabilities at the beginning of the period was $80 million and $225 million, respectively. Increases in contract liabilities from cash received, net of amounts recognized as revenues, during the three and six months ended June 30, 2021 were $76 million and $145 million, respectively.

Performance Obligations

There were no material revenues recognized in the three and six months ended June 30, 2021 from performance obligations satisfied in previous periods.

Revenues to be Recognized from Unfulfilled Performance Obligations

Total revenues from performance obligations expected to be fulfilled in future periods is $55.2 billion, of which $3.3 billion and $5.6 billion are expected to be recognized during the remaining six months ending December 31, 2021 and the year ending December 31, 2022, respectively.

The revenues excluded from the amounts above based on optional exemptions available under ASC 606, as explained below, represent a significant portion of our overall revenues and revenue from contracts with customers. Certain revenues such as flow-through operating costs charged to shippers are recognized at the amount for which we have the right to invoice our customers and are excluded from the amounts for revenues to be recognized in the future from unfulfilled performance obligations above. Variable consideration is excluded from the amounts above due to the uncertainty of the associated consideration, which is generally resolved when actual volumes and prices are determined. For example, we consider interruptible transportation service revenues to be variable revenues since volumes cannot be estimated. Additionally, the effect of escalation on certain tolls which are contractually escalated for inflation has not been reflected in the amounts above as it is not possible to reliably estimate future inflation rates. Revenues for periods extending beyond the current rate settlement term for regulated contracts where the tolls are periodically reset by the regulator are excluded from the amounts above since future tolls remain unknown. Finally, revenue from contracts with customers which have an original expected duration of one year or less are excluded from the amounts above.

Recognition and Measurement of Revenues

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	17	—	17
Revenues from products and services transferred over time1	2,194	1,119	909	55	4,277
Total revenue from contracts with customers	2,194	1,119	926	55	4,294

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	15	—	15
Revenues from products and services transferred over time1	2,165	1,197	878	54	4,294
Total revenue from contracts with customers	2,165	1,197	893	54	4,309

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	34	—	34
Revenues from products and services transferred over time1	4,549	2,321	2,700	81	9,651
Total revenue from contracts with customers	4,549	2,321	2,734	81	9,685

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	30	—	30
Revenues from products and services transferred over time1	4,631	2,538	2,542	104	9,815
Total revenue from contracts with customers	4,631	2,538	2,572	104	9,845

1     Includes revenues from crude oil and natural gas pipeline transportation, storage, natural gas gathering, compression and treating, natural gas distribution, natural gas storage services and electricity sales.

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SEGMENTED INFORMATION

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

SEGMENTED INFORMATION

SEGMENTED INFORMATION

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Revenues	2,547	1,128	953	132	6,345	(157)	10,948
Commodity and gas distribution costs	(7)	—	(299)	—	(6,567)	154	(6,719)
Operating and administrative	(673)	(424)	(242)	(37)	(9)	(99)	(1,484)
Income from equity investments	180	132	27	13	—	—	352
Other income/(expense)	(3)	32	19	7	(8)	194	241
Earnings/(loss) before interest, income taxes, and depreciation and amortization	2,044	868	458	115	(239)	92	3,338
Depreciation and amortization							(929)
Interest expense							(618)
Income tax expense							(270)
Earnings							1,521
Capital expenditures1	567	547	300	2	—	9	1,425

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Revenues	2,945	1,203	903	150	2,949	(194)	7,956
Commodity and gas distribution costs	(1)	—	(254)	—	(3,021)	168	(3,108)
Operating and administrative	(782)	(438)	(269)	(37)	(29)	(246)	(1,801)
Income/(loss) from equity investments	148	168	(8)	21	(2)	—	327
Other income	30	17	11	29	4	533	624
Earnings/(loss) before interest, income taxes, and depreciation and amortization	2,340	950	383	163	(99)	261	3,998
Depreciation and amortization							(949)
Interest expense							(681)
Income tax expense							(591)
Earnings							1,777
Capital expenditures1	561	429	204	7	1	19	1,221

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Revenues	5,246	2,342	2,776	249	12,778	(306)	23,085
Commodity and gas distribution costs	(10)	—	(1,257)	—	(12,920)	320	(13,867)
Operating and administrative	(1,492)	(858)	(514)	(80)	(23)	(76)	(3,043)
Income from equity investments	334	314	49	50	—	—	747
Other income/(expense)	5	43	38	52	(10)	374	502
Earnings/(loss) before interest, income taxes, and depreciation and amortization	4,083	1,841	1,092	271	(175)	312	7,424
Depreciation and amortization							(1,861)
Interest expense							(1,275)
Income tax expense							(753)
Earnings							3,535
Capital expenditures1	1,923	1,029	519	7	—	21	3,499

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Revenues	4,479	2,560	2,585	303	10,347	(305)	19,969
Commodity and gas distribution costs	(8)	—	(1,126)	—	(10,264)	272	(11,126)
Operating and administrative	(1,647)	(945)	(518)	(87)	(57)	(147)	(3,401)
Income from equity investments	345	93	15	37	—	—	490
Impairment of equity investments	—	(1,736)	—	—	—	—	(1,736)
Other income/(expense)	21	(76)	31	30	(4)	(525)	(523)
Earnings/(loss) before interest, income taxes, and depreciation and amortization	3,190	(104)	987	283	22	(705)	3,673
Depreciation and amortization							(1,831)
Interest expense							(1,387)
Income tax expense							(42)
Earnings							413
Capital expenditures1	1,061	820	426	30	1	41	2,379

1 Includes allowance for equity funds used during construction.

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EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE

EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE

BASIC

Earnings per common share is calculated by dividing earnings attributable to common shareholders by the weighted average number of common shares outstanding. The weighted average number of common shares outstanding has been reduced by our pro-rata weighted average interest in our own common shares of approximately 2 million and 3 million for the three and six months ended June 30, 2021, respectively, compared to 6 million for the three and six months ended June 30, 2020, resulting from our reciprocal investment in Noverco Inc. (Noverco).

DILUTED

The treasury stock method is used to determine the dilutive impact of stock options. This method assumes any proceeds from the exercise of stock options would be used to purchase common shares at the average market price during the period.

Weighted average shares outstanding used to calculate basic and diluted earnings per share are as follows:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(number of shares in millions)
Weighted average shares outstanding	2,024	2,019	2,023	2,019
Effect of dilutive options	2	1	1	2
Diluted weighted average shares outstanding	2,026	2,020	2,024	2,021

For the three months ended June 30, 2021 and 2020, 20.5 million and 34.6 million, respectively, of anti-dilutive stock options with a weighted average exercise price of $50.66 and $51.00, respectively, were excluded from the diluted earnings per common share calculation.

For the six months ended June 30, 2021 and 2020, 24.0 million and 25.7 million, respectively, of anti-dilutive stock options with a weighted average exercise price of $51.10 and $52.71, respectively, were excluded from the diluted earnings per common share calculation.

DIVIDENDS PER SHARE

On July 27, 2021, our Board of Directors declared the following quarterly dividends. All dividends are payable on September 1, 2021 to shareholders of record on August 13, 2021.

	Dividend per share
Common Shares1	$0.83500
Preference Shares, Series A	$0.34375
Preference Shares, Series B	$0.21340
Preference Shares, Series C2	$0.15753
Preference Shares, Series D	$0.27875
Preference Shares, Series F	$0.29306
Preference Shares, Series H	$0.27350
Preference Shares, Series J	US$0.30540
Preference Shares, Series L	US$0.30993
Preference Shares, Series N	$0.31788
Preference Shares, Series P	$0.27369
Preference Shares, Series R	$0.25456
Preference Shares, Series 1	US$0.37182
Preference Shares, Series 3	$0.23356
Preference Shares, Series 5	US$0.33596
Preference Shares, Series 7	$0.27806
Preference Shares, Series 9	$0.25606
Preference Shares, Series 11	$0.24613
Preference Shares, Series 13	$0.19019
Preference Shares, Series 15	$0.18644
Preference Shares, Series 17	$0.32188
Preference Shares, Series 19	$0.30625

1 The quarterly dividend per common share was increased 3% to $0.835 from $0.81, effective March 1, 2021.

2 The quarterly dividend per share paid on Series C was increased to $0.15501 from $0.15349 on March 1, 2021, and increased to $0.15753 from $0.15501 on June 1, 2021, due to reset on a quarterly basis following the date of issuance of the Series C Preference Shares.

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DEBT

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

DEBT

DEBT

CREDIT FACILITIES

The following table provides details of our committed credit facilities as at June 30, 2021:

	Maturity1	Total Facilities	Draws2	Available
(millions of Canadian dollars)
Enbridge Inc.	2022-2024	9,125	7,446	1,679
Enbridge (U.S.) Inc.	2022-2024	6,811	3,076	3,735
Enbridge Pipelines Inc.	2022	3,000	494	2,506
Enbridge Gas Inc.	2022	2,000	1,410	590
Total committed credit facilities		20,936	12,426	8,510

1Maturity date is inclusive of the one-year term out option for certain credit facilities.

2Includes facility draws and commercial paper issuances that are back-stopped by credit facilities.

On February 10, 2021, Enbridge Inc. entered into a three year, revolving, extendible, sustainability-linked credit facility for $1.0 billion with a syndicate of lenders and concurrently terminated our one year, revolving, syndicated credit facility for $3.0 billion.

On February 25, 2021, two term loans with an aggregate total of US$500 million were repaid with proceeds from a floating rate notes issuance.

On July 22 and 23, 2021, we renewed approximately $8.0 billion of our five-year credit facilities, extending the maturity date out to July 2026. We also extended approximately $10.0 billion of our 364-day extendible credit facilities to July 2022, which includes a one-year term out provision to July 2023.

In addition to the committed credit facilities noted above, we maintain $1.4 billion of uncommitted demand credit facilities, of which $978 million was unutilized as at June 30, 2021. As at December 31, 2020, we had $849 million of uncommitted demand credit facilities, of which $533 million was unutilized.

Our credit facilities carry a weighted average standby fee of 0.2% per annum on the unused portion and draws bear interest at market rates. Certain credit facilities serve as a back-stop to the commercial paper programs and we have the option to extend such facilities.

As at June 30, 2021 and December 31, 2020, commercial paper and credit facility draws, net of short-term borrowings and non-revolving credit facilities that mature within one year, of $9.0 billion and $9.9 billion, respectively, were supported by the availability of long-term committed credit facilities and, therefore, have been classified as long-term debt.

LONG-TERM DEBT ISSUANCES

During the six months ended June 30, 2021, we completed the following long-term debt issuances totaling US$2.0 billion and $800 million:

Company	Issue Date		Principal Amount
(millions of Canadian dollars unless otherwise stated)
Enbridge Inc.
	February 2021	Floating rate notes due February 20231	US$500
	June 2021	2.50% Sustainability-Linked senior notes due August 2033	US$1,000
	June 2021	3.40% senior notes due August 2051	US$500
Enbridge Pipelines Inc.
	May 2021	4.20% medium-term notes due May 2051	$400
	May 2021	2.82% medium-term notes due May 2031	$400

1Notes mature in two years and carry an interest rate set to equal Secured Overnight Financing Rate (SOFR) plus a margin of 40 basis points.

LONG-TERM DEBT REPAYMENTS

During the six months ended June 30, 2021, we completed the following long-term debt repayments totaling $808 million and US$880 million:

Company	Repayment Date		Principal Amount
(millions of Canadian dollars unless otherwise stated)
Enbridge Inc.
	February 2021	4.26% medium-term notes	$200
	March 2021	3.16% medium-term notes	$400
Enbridge Energy Partners, L.P.
	June 2021	4.20% senior notes	US$600
Enbridge Gas Inc.
	May 2021	2.76% medium-term notes	$200
Enbridge Pipelines (Southern Lights) L.L.C.
	June 2021	3.98% senior notes	US$30
Enbridge Southern Lights LP
	June 2021	4.01% senior notes	$8
Spectra Energy Partners, LP
	March 2021	4.60% senior notes	US$250

SUBORDINATED TERM NOTES

As at June 30, 2021 and December 31, 2020, our fixed-to-floating rate and fixed-to-fixed subordinated term notes had a principal value of $7.6 billion and $7.8 billion, respectively.

FAIR VALUE ADJUSTMENT

As at June 30, 2021 and December 31, 2020, the net fair value adjustments to total debt assumed in a historical acquisition were $703 million and $750 million, respectively. During the three months ended June 30, 2021 and 2020, amortization of the fair value adjustment recorded as a reduction to Interest expense in the Consolidated Statements of Earnings was $13 million and $14 million, respectively. During the six months ended June 30, 2021 and 2020, amortization of the fair value adjustment recorded as a reduction to Interest expense in the Consolidated Statements of Earnings was $25 million and $29 million, respectively.

DEBT COVENANTS

Our credit facility agreements and term debt indentures include standard events of default and covenant provisions whereby accelerated repayment and/or termination of the agreements may result if we were to default on payment or violate certain covenants. As at June 30, 2021, we were in compliance with all debt covenants.

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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME

6 Months Ended

Jun. 30, 2021

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME

COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME

Changes in Accumulated Other Comprehensive Income (AOCI) attributable to our common shareholders for the six months ended June 30, 2021 and 2020 are as follows:

	Cash Flow  Hedges	Excluded Components of Fair Value Hedges	Net Investment Hedges	Cumulative Translation Adjustment	Equity Investees	Pension and OPEB Adjustment	Total
(millions of Canadian dollars)
Balance as at January 1, 2021	(1,326)	5	(215)	568	66	(499)	(1,401)
Other comprehensive income/(loss) retained in AOCI	294	(2)	251	(1,584)	1	—	(1,040)
Other comprehensive loss/(income) reclassified to earnings
Interest rate contracts1	142	—	—	—	—	—	142
Foreign exchange contracts2	3	—	—	—	—	—	3
Other contracts3	1	—	—	—	—	—	1
Amortization of pension and OPEB actuarial loss and prior service costs4	—	—	—	—	—	14	14
Other	17	—	—	(20)	3	—	—
	457	(2)	251	(1,604)	4	14	(880)
Tax impact
Income tax on amounts retained in AOCI	(75)	—	(29)	—	1	—	(103)
Income tax on amounts reclassified to earnings	(33)	—	—	—	—	(3)	(36)
	(108)	—	(29)	—	1	(3)	(139)
Balance as at June 30, 2021	(977)	3	7	(1,036)	71	(488)	(2,420)

	Cash Flow  Hedges	Excluded Components of Fair Value Hedges	Net Investment Hedges	Cumulative Translation Adjustment	Equity Investees	Pension and OPEB Adjustment	Total
(millions of Canadian dollars)
Balance as at January 1, 2020	(1,073)	—	(317)	1,396	67	(345)	(272)
Other comprehensive income/(loss) retained in AOCI	(738)	8	(375)	2,843	25	—	1,763
Other comprehensive loss reclassified to earnings
Interest rate contracts1	103	—	—	—	—	—	103
Foreign exchange contracts2	2	—	—	—	—	—	2
Amortization of pension and OPEB actuarial loss and prior service costs4	—	—	—	—	—	9	9
	(633)	8	(375)	2,843	25	9	1,877
Tax impact
Income tax on amounts retained in AOCI	180	—	—	—	(5)	—	175
Income tax on amounts reclassified to earnings	(25)	—	—	—	—	(2)	(27)
	155	—	—	—	(5)	(2)	148
Balance as at June 30, 2020	(1,551)	8	(692)	4,239	87	(338)	1,753

1 Reported within Interest expense in the Consolidated Statements of Earnings.

2 Reported within Transportation and other services revenues and Net foreign currency gain/(loss) in the Consolidated Statements of Earnings.

3 Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

4 These components are included in the computation of net periodic benefit costs and are reported within Other income/(expense) in the Consolidated Statements of Earnings.

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IMPAIRMENT OF EQUITY INVESTMENTS

6 Months Ended

Jun. 30, 2021

Noncontrolling Interest [Abstract]

IMPAIRMENT OF EQUITY INVESTMENTS

IMPAIRMENT OF EQUITY INVESTMENTS

DCP Midstream, LLC

DCP Midstream, LLC (DCP Midstream), a 50% owned equity method investment of Enbridge, holds an equity interest in DCP Midstream, LP. A decline in the market price of DCP Midstream, LP’s publicly traded units during the first quarter of 2020 resulted in an other than temporary impairment loss on our investment in DCP Midstream of $1.7 billion for the six months ended June 30, 2020. In addition, we incurred losses of $324 million through our equity earnings pick up in relation to asset and goodwill impairment losses recorded by DCP Midstream, LP during the six months ended June 30, 2020. The carrying value of our investment in DCP Midstream as at June 30, 2021 and December 31, 2020 was $286 million and $331 million, respectively.

Our investment in DCP Midstream forms part of our Gas Transmission and Midstream segment. The impairment losses were recorded within Impairment of equity investments in the Consolidated Statements of Earnings.

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS

6 Months Ended

Jun. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

RISK MANAGEMENT AND FINANCIAL INSTRUMENTS

RISK MANAGEMENT AND FINANCIAL INSTRUMENTS

MARKET RISK

Our earnings, cash flows and other comprehensive income (OCI) are subject to movements in foreign exchange rates, interest rates, commodity prices and our share price (collectively, market risks). Formal risk management policies, processes and systems have been designed to mitigate these risks.

The following summarizes the types of market risks to which we are exposed and the risk management instruments used to mitigate them. We use a combination of qualifying and non-qualifying derivative instruments to manage the risks noted below.

Foreign Exchange Risk

We generate certain revenues, incur expenses, and hold a number of investments and subsidiaries that are denominated in currencies other than Canadian dollars. As a result, our earnings, cash flows and OCI are exposed to fluctuations resulting from foreign exchange rate variability.

We employ financial derivative instruments to hedge foreign currency denominated earnings exposure. A combination of qualifying cash flow, fair value and non-qualifying derivative instruments is used to hedge anticipated foreign currency denominated revenues and expenses, and to manage variability in cash flows. We hedge certain net investments in US dollar denominated investments and subsidiaries using foreign currency derivatives and US dollar denominated debt.

Interest Rate Risk

Our earnings and cash flows are exposed to short-term interest rate variability due to the regular repricing of our variable rate debt, primarily commercial paper. We monitor our debt portfolio mix of fixed and variable rate debt instruments to manage a consolidated portfolio of floating rate debt within the Board of Directors approved policy limit of a maximum of 30% of floating rate debt as a percentage of total debt outstanding. We primarily use qualifying derivative instruments to manage interest rate risk. Pay fixed-receive floating interest rate swaps may be used to hedge against the effect of future interest rate movements. We have implemented a program to significantly mitigate the impact of short-term interest rate volatility on interest expense via execution of floating to fixed interest rate swaps with an average swap rate of 3.1%.

We are exposed to changes in the fair value of fixed rate debt that arise as a result of the changes in market interest rates. Pay floating-receive fixed interest rate swaps are used, when applicable, to hedge against future changes to the fair value of fixed rate debt which mitigates the impact of fluctuations in the fair value of fixed rate debt via execution of fixed to floating interest rate swaps. As at June 30, 2021, we do not have any pay floating-receive fixed interest rate swaps outstanding.

Our earnings and cash flows are also exposed to variability in longer term interest rates ahead of anticipated fixed rate term debt issuances. Forward starting interest rate swaps are used to hedge against the effect of future interest rate movements. We have established a program within some of our subsidiaries to mitigate our exposure to long-term interest rate variability on select forecast term debt issuances via execution of floating to fixed interest rate swaps with an average swap rate of 2.2%.

Commodity Price Risk

Our earnings and cash flows are exposed to changes in commodity prices as a result of our ownership interests in certain assets and investments, as well as through the activities of our energy services subsidiaries. These commodities include natural gas, crude oil, power and NGL. We employ financial and physical derivative instruments to fix a portion of the variable price exposures that arise from physical transactions involving these commodities. We use primarily non-qualifying derivative instruments to manage commodity price risk.

Equity Price Risk

Equity price risk is the risk of earnings fluctuations due to changes in our share price. We have exposure to our own common share price through the issuance of various forms of stock-based compensation, which affect earnings through revaluation of the outstanding units every period. We use equity derivatives to manage the earnings volatility derived from one form of stock-based compensation, restricted share units. We use a combination of qualifying and non-qualifying derivative instruments to manage equity price risk.

COVID-19 PANDEMIC RISK

The spread of the COVID-19 pandemic has caused significant volatility in Canada, the US and international markets. While we have taken proactive measures to deliver energy safely and reliably during this pandemic, given the ongoing dynamic nature of the circumstances surrounding COVID-19, including ongoing uncertainty as to the duration of the pandemic and corresponding public health measures, the impact of this pandemic and the ongoing recovery on our business remains uncertain.

TOTAL DERIVATIVE INSTRUMENTS

We generally have a policy of entering into individual International Swaps and Derivatives Association, Inc. agreements, or other similar derivative agreements, with the majority of our financial derivative counterparties. These agreements provide for the net settlement of derivative instruments outstanding with specific counterparties in the event of bankruptcy or other significant credit events, and reduce our credit risk exposure on financial derivative asset positions outstanding with the counterparties in those circumstances.

The following table summarizes the maximum potential settlement amounts in the event of these specific circumstances. All amounts are presented gross in the Consolidated Statements of Financial Position.

June 30, 2021	Derivative Instruments Used as Cash Flow Hedges	Derivative Instruments Used as Fair Value  Hedges	Non- Qualifying Derivative Instruments	Total Gross Derivative Instruments as Presented	Amounts Available for Offset	Total Net Derivative Instruments
(millions of Canadian dollars)
Accounts receivable and other
Foreign exchange contracts	—	—	312	312	(29)	283
Commodity contracts	—	—	219	219	(174)	45
Other contracts	1	—	5	6	—	6
	1	—	536	537	(203)	334
Deferred amounts and other assets
Foreign exchange contracts	—	—	493	493	(207)	286
Interest rate contracts	157	—	—	157	(23)	134
Commodity contracts	—	—	64	64	(40)	24
Other contracts	2	—	2	4	—	4
	159	—	559	718	(270)	448
Accounts payable and other
Foreign exchange contracts	(14)	(153)	(110)	(277)	29	(248)
Interest rate contracts	(156)	—	—	(156)	—	(156)
Commodity contracts	(9)	—	(356)	(365)	174	(191)
	(179)	(153)	(466)	(798)	203	(595)
Other long-term liabilities
Foreign exchange contracts	—	—	(435)	(435)	207	(228)
Interest rate contracts	(123)	—	(23)	(146)	23	(123)
Commodity contracts	(5)	—	(93)	(98)	40	(58)
	(128)	—	(551)	(679)	270	(409)
Total net derivative assets/(liabilities)
Foreign exchange contracts	(14)	(153)	260	93	—	93
Interest rate contracts	(122)	—	(23)	(145)	—	(145)
Commodity contracts	(14)	—	(166)	(180)	—	(180)
Other contracts	3	—	7	10	—	10
	(147)	(153)	78	(222)	—	(222)

December 31, 2020	Derivative Instruments Used as Cash Flow Hedges	Derivative Instruments Used as Fair Value  Hedges	Non- Qualifying Derivative Instruments	Total Gross Derivative Instruments as Presented	Amounts Available for Offset	Total Net Derivative Instruments
(millions of Canadian dollars)
Accounts receivable and other
Foreign exchange contracts	—	—	180	180	(28)	152
Interest rate contracts	—	—	—	—	—	—
Commodity contracts	—	—	143	143	(81)	62
	—	—	323	323	(109)	214
Deferred amounts and other assets
Foreign exchange contracts	14	—	452	466	(218)	248
Interest rate contracts	56	—	—	56	(25)	31
Commodity contracts	—	—	39	39	(9)	30
	70	—	491	561	(252)	309
Accounts payable and other
Foreign exchange contracts	(5)	(29)	(151)	(185)	28	(157)
Interest rate contracts	(423)	—	(2)	(425)	—	(425)
Commodity contracts	(2)	—	(278)	(280)	81	(199)
Other contracts	(1)	—	(3)	(4)	—	(4)
	(431)	(29)	(434)	(894)	109	(785)
Other long-term liabilities
Foreign exchange contracts	—	(87)	(673)	(760)	218	(542)
Interest rate contracts	(218)	—	(23)	(241)	25	(216)
Commodity contracts	(1)	—	(57)	(58)	9	(49)
	(219)	(87)	(753)	(1,059)	252	(807)
Total net derivative assets/(liabilities)
Foreign exchange contracts	9	(116)	(192)	(299)	—	(299)
Interest rate contracts	(585)	—	(25)	(610)	—	(610)
Commodity contracts	(3)	—	(153)	(156)	—	(156)
Other contracts	(1)	—	(3)	(4)	—	(4)
	(580)	(116)	(373)	(1,069)	—	(1,069)

The following table summarizes the maturity and notional principal or quantity outstanding related to our derivative instruments.

June 30, 2021	2021	2022	2023	2024	2025	Thereafter	Total
Foreign exchange contracts - US dollar forwards - purchase (millions of US dollars)	1,364	1,750	—	—	—	—	3,114
Foreign exchange contracts - US dollar forwards - sell (millions of US dollars)	3,140	5,853	3,784	1,856	648	—	15,281
Foreign exchange contracts - British pound (GBP) forwards - sell (millions of GBP)	67	28	29	30	30	60	244
Foreign exchange contracts - Euro forwards - sell (millions of Euro)	47	94	92	91	86	428	838
Foreign exchange contracts - Japanese yen forwards - purchase (millions of yen)	—	72,500	—	—	—	—	72,500
Interest rate contracts - short-term debt pay fixed rate (millions of Canadian dollars)	1,963	391	47	35	30	90	2,556
Interest rate contracts - long-term debt pay fixed rate (millions of Canadian dollars)	1,062	1,967	1,319	—	—	—	4,348
Equity contracts (millions of Canadian dollars)	39	7	11	—	—	—	57
Commodity contracts - natural gas (billions of cubic feet)2	81	48	12	4	11	—	156
Commodity contracts - crude oil (millions of barrels)2	13	—	—	—	—	—	13
Commodity contracts - power (megawatt per hour) (MW/H)	(41)	(43)	(43)	(43)	(43)	—	(43)	1

1 Total is an average net purchase/(sale) of power.

2 Total is a net purchase/(sale) of underlying commodity.

Fair Value Derivatives

For foreign exchange derivative instruments that are designated and qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk is included in Net foreign currency gain/(loss) in the Consolidated Statements of Earnings. Any excluded components are included in the Consolidated Statements of Comprehensive Income.

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Unrealized gain/(loss) on derivative	(32)	(133)	(35)	85
Unrealized gain/(loss) on hedged item	32	138	28	(65)
Realized gain/(loss) on derivative	—	—	(39)	(12)
Realized gain on hedged item	—	—	45	—

The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income

The following table presents the effect of cash flow hedges, fair value hedges and net investment hedges on our consolidated earnings and consolidated comprehensive income, before the effect of income taxes:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Amount of unrealized gain/(loss) recognized in OCI
Cash flow hedges
Foreign exchange contracts	(5)	(13)	(25)	6
Interest rate contracts	(203)	(35)	294	(750)
Commodity contracts	4	—	(4)	9
Other contracts	1	1	4	(6)
Fair value hedges
Foreign exchange contracts	(1)	5	(2)	8
Net investment hedges
Foreign exchange contracts	—	3	—	(4)
	(204)	(39)	267	(737)
Amount of loss reclassified from AOCI to earnings
Foreign exchange contracts1	2	1	3	2
Interest rate contracts2	79	59	142	103
Commodity contracts	(1)	—	—	—
Other contracts3	1	—	1	—
	81	60	146	105

1    Reported within Transportation and other services revenues and Net foreign currency gain/(loss) in the Consolidated Statements of Earnings.

2    Reported within Interest expense in the Consolidated Statements of Earnings.

3    Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

We estimate that a loss of $90 million of AOCI related to unrealized cash flow hedges will be reclassified to earnings in the next 12 months. Actual amounts reclassified to earnings depend on the foreign exchange rates, interest rates and commodity prices in effect when derivative contracts that are currently outstanding mature. For all forecasted transactions, the maximum term over which we are hedging exposures to the variability of cash flows is 30 months as at June 30, 2021.

Non-Qualifying Derivatives

The following table presents the unrealized gains and losses associated with changes in the fair value of our non-qualifying derivatives:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Foreign exchange contracts1	218	1,246	454	(757)
Interest rate contracts2	—	3	2	(15)
Commodity contracts3	(90)	(517)	(18)	(44)
Other contracts4	5	—	10	(8)
Total unrealized derivative fair value gain/(loss), net	133	732	448	(824)

1    For the respective six months ended periods, reported within Transportation and other services revenues (2021 - $292 million gain; 2020 - $437 million loss) and Net foreign currency gain/(loss) (2021 - $162 million gain; 2020 - $320 million loss) in the Consolidated Statements of Earnings.

2    Reported as an (increase)/decrease within Interest expense in the Consolidated Statements of Earnings.

3    For the respective six months ended periods, reported within Transportation and other services revenues (2021 - $3 million loss; 2020 - $17 million gain), Commodity sales (2021 - $144 million gain; 2020 - $403 million loss), Commodity costs (2021 - $166 million loss; 2020 - $348 million gain) and Operating and administrative expense (2021 - $7 million gain; 2020 - $6 million loss) in the Consolidated Statements of Earnings.

4    Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

LIQUIDITY RISK

Liquidity risk is the risk that we will not be able to meet our financial obligations, including commitments and guarantees, as they become due. In order to mitigate this risk, we forecast cash requirements over a 12-month rolling time period to determine whether sufficient funds will be available and maintain substantial capacity under our committed bank lines of credit to address any contingencies. Our primary sources of liquidity and capital resources are funds generated from operations, the issuance of commercial paper and draws under committed credit facilities and long-term debt, which includes debentures and medium-term notes. We also maintain current shelf prospectuses with securities regulators which enables ready access to either the Canadian or US public capital markets, subject to market conditions. In addition, we maintain sufficient liquidity through committed credit facilities with a diversified group of banks and institutions which, if necessary, enables us to fund all anticipated requirements for approximately one year without accessing the capital markets. We are in compliance with all the terms and conditions of our committed credit facility agreements and term debt indentures as at June 30, 2021. As a result, all credit facilities are available to us and the banks are obligated to fund and have been funding us under the terms of the facilities.

CREDIT RISK

Entering into derivative instruments may result in exposure to credit risk from the possibility that a counterparty will default on its contractual obligations. In order to mitigate this risk, we enter into risk management transactions primarily with institutions that possess strong investment grade credit ratings. Credit risk relating to derivative counterparties is mitigated through maintenance and monitoring of credit exposure limits and contractual requirements, netting arrangements and ongoing monitoring of counterparty credit exposure using external credit rating services and other analytical tools.

We have credit concentrations and credit exposure, with respect to derivative instruments, in the following counterparty segments:

	June 30, 2021	December 31, 2020
(millions of Canadian dollars)
Canadian financial institutions	668	481
US financial institutions	230	99
European financial institutions	—	28
Asian financial institutions	245	167
Other1	110	97
	1,253	872

1    Other is comprised of commodity clearing house and physical natural gas and crude oil counterparties.

As at June 30, 2021, we provided letters of credit totaling nil in lieu of providing cash collateral to our counterparties pursuant to the terms of the relevant International Swaps and Derivatives Association agreements. We held no cash collateral on derivative asset exposures as at June 30, 2021 and December 31, 2020.

Gross derivative balances have been presented without the effects of collateral posted. Derivative assets are adjusted for non-performance risk of our counterparties using their credit default swap spread rates, and are reflected at fair value. For derivative liabilities, our non-performance risk is considered in the valuation.

Credit risk also arises from trade and other long-term receivables, and is mitigated through credit exposure limits and contractual requirements, assessment of credit ratings and netting arrangements. Within Enbridge Gas Inc. (Enbridge Gas), credit risk is mitigated by the utility's large and diversified customer base and the ability to recover an estimate for expected credit losses through the ratemaking process. We actively monitor the financial strength of large industrial customers, and in select cases, have obtained additional security to minimize the risk of default on receivables. Generally, we utilize a loss allowance matrix which contemplates historical credit losses by age of receivables, adjusted for any forward-looking information and management expectations to measure lifetime expected credit losses of receivables. The maximum exposure to credit risk related to non-derivative financial assets is their carrying value.

FAIR VALUE MEASUREMENTS

Our financial assets and liabilities measured at fair value on a recurring basis include derivative instruments. We also disclose the fair value of other financial instruments not measured at fair value. The fair value of financial instruments reflects our best estimates of market value based on generally accepted valuation techniques or models and is supported by observable market prices and rates. When such values are not available, we use discounted cash flow analysis from applicable yield curves based on observable market inputs to estimate fair value.

FAIR VALUE OF FINANCIAL INSTRUMENTS

We categorize our derivative instruments measured at fair value into one of three different levels depending on the observability of the inputs employed in the measurement.

Level 1

Level 1 includes derivatives measured at fair value based on unadjusted quoted prices for identical assets and liabilities in active markets that are accessible at the measurement date. An active market for a derivative is considered to be a market where transactions occur with sufficient frequency and volume to provide pricing information on an ongoing basis. Our Level 1 instruments consist primarily of exchange-traded derivatives used to mitigate the risk of crude oil price fluctuations.

Level 2

Level 2 includes derivative valuations determined using directly or indirectly observable inputs other than quoted prices included within Level 1. Derivatives in this category are valued using models or other industry standard valuation techniques derived from observable market data. Such valuation techniques include inputs such as quoted forward prices, time value, volatility factors and broker quotes that can be observed or corroborated in the market for the entire duration of the derivative. Derivatives valued using Level 2 inputs include non-exchange traded derivatives such as over-the-counter foreign exchange forward and cross currency swap contracts, interest rate swaps, physical forward commodity contracts, as well as commodity swaps and options for which observable inputs can be obtained.

We have also categorized the fair value of our available-for-sale preferred share investment and long-term debt as Level 2. The fair value of our available-for-sale preferred share investment is based on the redemption value, which equals the face value plus accrued and unpaid interest periodically reset based on market interest rates. The fair value of our long-term debt is based on quoted market prices for instruments of similar yield, credit risk and tenor.

Level 3

Level 3 includes derivative valuations based on inputs which are less observable, unavailable or where the observable data does not support a significant portion of the derivatives’ fair value. Generally, Level 3 derivatives are longer dated transactions, occur in less active markets, occur at locations where pricing information is not available or have no binding broker quote to support Level 2 classification. We have developed methodologies, benchmarked against industry standards, to determine fair value for these derivatives based on extrapolation of observable future prices and rates. Derivatives valued using Level 3 inputs primarily include long-dated derivative power, NGL and natural gas contracts, basis swaps, commodity swaps, and power and energy swaps. We do not have any other financial instruments categorized in Level 3.

We use the most observable inputs available to estimate the fair value of our derivatives. When possible, we estimate the fair value of our derivatives based on quoted market prices. If quoted market prices are not available, we use estimates from third party brokers. For non-exchange traded derivatives classified in Levels 2 and 3, we use standard valuation techniques to calculate the estimated fair value. These methods include discounted cash flows for forwards and swaps and Black-Scholes-Merton pricing models for options. Depending on the type of derivative and nature of the underlying risk, we use observable market prices (interest, foreign exchange, commodity and share price) as primary inputs to these valuation techniques. Finally, we consider our own credit default swap spread as well as the credit default swap spreads associated with our counterparties in our estimation of fair value.

We have categorized our derivative assets and liabilities measured at fair value as follows:

June 30, 2021	Level 1	Level 2	Level 3	Total Gross Derivative Instruments
(millions of Canadian dollars)
Financial assets
Current derivative assets
Foreign exchange contracts	—	312	—	312
Commodity contracts	105	73	41	219
Other contracts	—	6	—	6
	105	391	41	537
Long-term derivative assets
Foreign exchange contracts	—	493	—	493
Interest rate contracts	—	157	—	157
Commodity contracts	24	32	8	64
Other contracts	—	4	—	4
	24	686	8	718
Financial liabilities
Current derivative liabilities
Foreign exchange contracts	—	(277)	—	(277)
Interest rate contracts	—	(156)	—	(156)
Commodity contracts	(123)	(69)	(173)	(365)
	(123)	(502)	(173)	(798)
Long-term derivative liabilities
Foreign exchange contracts	—	(435)	—	(435)
Interest rate contracts	—	(146)	—	(146)
Commodity contracts	(28)	(16)	(54)	(98)
	(28)	(597)	(54)	(679)
Total net financial assets/(liabilities)
Foreign exchange contracts	—	93	—	93
Interest rate contracts	—	(145)	—	(145)
Commodity contracts	(22)	20	(178)	(180)
Other contracts	—	10	—	10
	(22)	(22)	(178)	(222)

December 31, 2020	Level 1	Level 2	Level 3	Total Gross Derivative Instruments
(millions of Canadian dollars)
Financial assets
Current derivative assets
Foreign exchange contracts	—	180	—	180
Commodity contracts	43	33	67	143
	43	213	67	323
Long-term derivative assets
Foreign exchange contracts	—	466	—	466
Interest rate contracts	—	56	—	56
Commodity contracts	1	24	14	39
	1	546	14	561
Financial liabilities
Current derivative liabilities
Foreign exchange contracts	—	(185)	—	(185)
Interest rate contracts	—	(425)	—	(425)
Commodity contracts	(39)	(18)	(223)	(280)
Other contracts	—	(4)	—	(4)
	(39)	(632)	(223)	(894)
Long-term derivative liabilities
Foreign exchange contracts	—	(760)	—	(760)
Interest rate contracts	—	(241)	—	(241)
Commodity contracts	(1)	(8)	(49)	(58)
	(1)	(1,009)	(49)	(1,059)
Total net financial assets/(liabilities)
Foreign exchange contracts	—	(299)	—	(299)
Interest rate contracts	—	(610)	—	(610)
Commodity contracts	4	31	(191)	(156)
Other contracts	—	(4)	—	(4)
	4	(882)	(191)	(1,069)

The significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments were as follows:

June 30, 2021	Fair Value	Unobservable Input	Minimum Price	Maximum Price	Weighted Average Price	Unit of Measurement
(fair value in millions of Canadian dollars)
Commodity contracts - financial1
Natural gas	(9)	Forward gas price	2.83	5.90	3.87	$/mmbtu2
Crude	(17)	Forward crude price	67.09	90.65	75.20	$/barrel
NGL	—	Forward NGL price	0.99	1.39	1.37	$/gallon
Power	(49)	Forward power price	18.20	116.93	63.92	$/MW/H
Commodity contracts - physical1
Natural gas	(17)	Forward gas price	2.43	6.75	4.02	$/mmbtu2
Crude	(86)	Forward crude price	67.19	91.39	85.53	$/barrel
NGL	—	Forward NGL price	—	—	—	$/gallon
	(178)

1    Financial and physical forward commodity contracts are valued using a market approach valuation technique.

2    One million British thermal units (mmbtu).

If adjusted, the significant unobservable inputs disclosed in the table above would have a direct impact on the fair value of our Level 3 derivative instruments. The significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments include forward commodity prices. Changes in forward commodity prices could result in significantly different fair values for our Level 3 derivatives.

Changes in net fair value of derivative assets and liabilities classified as Level 3 in the fair value hierarchy were as follows:

	Six months ended June 30,
	2021	2020
(millions of Canadian dollars)
Level 3 net derivative liability at beginning of period	(191)	(69)
Total gain/(loss)
Included in earnings1	(143)	(107)
Included in OCI	(12)	7
Settlements	168	41
Level 3 net derivative liability at end of period	(178)	(128)

1    Reported within Transportation and other services revenues, Commodity costs and Operating and administrative expense in the Consolidated Statements of Earnings.

There were no transfers into or out of Level 3 as at June 30, 2021 or December 31, 2020.

NET INVESTMENT HEDGES

We currently have designated a portion of our US dollar denominated debt, as well as a portfolio of foreign exchange forward contracts in prior periods, as a hedge of our net investment in US dollar denominated investments and subsidiaries.

During the six months ended June 30, 2021 and 2020, we recognized an unrealized foreign exchange gain of $251 million and a loss of $371 million, respectively, on the translation of US dollar denominated debt and unrealized loss of nil and $4 million, respectively, on the change in fair value of our outstanding foreign exchange forward contracts in OCI. During the six months ended June 30, 2021 and 2020, we recognized no OCI associated with the settlement of foreign exchange forward contracts or with the settlement of US dollar denominated debt that had matured during the period.

FAIR VALUE OF OTHER FINANCIAL INSTRUMENTS

Certain long-term investments in other entities with no actively quoted prices are classified as Fair Value Measurement Alternative (FVMA) investments and are recorded at cost less impairment. The carrying value of FVMA investments totaled $51 million and $52 million as at June 30, 2021 and December 31, 2020, respectively.

We have Restricted long-term investments held in trust totaling $573 million and $553 million as at June 30, 2021 and December 31, 2020, respectively, which are recognized at fair value.

During the three months ended June 30, 2021, we entered into a definitive agreement to sell our 38.9% noncontrolling interest in Noverco, which is comprised of both common shares and preferred shares. Historically, the preferred shares have been classified as held-to-maturity and carried at amortized cost. As a result of our intent to sell our interest in Noverco, the preferred shares were reclassified from held-to-maturity to available-for-sale at fair value during the second quarter of 2021. The fair value of the preferred shares was $580 million and $567 million as at June 30, 2021 and December 31, 2020, respectively. There were no gains or losses recognized in OCI on reclassification.

As at June 30, 2021 and December 31, 2020, our long-term debt had a carrying value of $67.1 billion and $66.1 billion, respectively, before debt issuance costs and a fair value of $74.0 billion and $75.1 billion, respectively. We also have non-current notes receivable carried at book value and recorded in Deferred amounts and other assets in the Consolidated Statements of Financial Position. As at June 30, 2021 and December 31, 2020, the non-current notes receivable had a carrying value of $1.0 billion and $1.1 billion, respectively, which also approximates their fair value.

The fair value of financial assets and liabilities other than derivative instruments, long-term investments, restricted long-term investments, long-term debt and non-current notes receivable described above approximate their carrying value due to the short period to maturity.

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INCOME TAXES

6 Months Ended

Jun. 30, 2021

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

The effective income tax rates for the three months ended June 30, 2021 and 2020 were 15.1% and 25.0%, respectively and for the six months ended June 30, 2021 and 2020 were 17.6% and 9.2%, respectively.

The period-over-period change in the effective income tax rates is due to the effect of rate-regulated accounting for income taxes and the benefit of foreign tax rate differentials relative to the change in earnings being offset by a reduction in US minimum tax and the release of a previously recognized uncertain tax position as it has become statute barred.

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PENSION AND OTHER POSTRETIREMENT BENEFITS

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

PENSION AND OTHER POSTRETIREMENT BENEFITS

PENSION AND OTHER POSTRETIREMENT BENEFITS

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Service cost	48	58	96	100
Interest cost	32	54	64	87
Expected return on plan assets	(84)	(113)	(168)	(180)
Amortization of actuarial loss and prior service costs	14	10	28	19
Net periodic benefit costs	10	9	20	26

For the three and six months ended June 30, 2020, we incurred $236 million in severance costs related to our voluntary workforce reduction program. For the three and six months ended June 30, 2021, there were no such costs incurred. Severance costs are included in Operating and administrative expense in the Consolidated Statements of Earnings.

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CONTINGENCIES

6 Months Ended

Jun. 30, 2021

Loss Contingency [Abstract]

CONTINGENCIES

CONTINGENCIES

We and our subsidiaries are involved in various legal and regulatory actions and proceedings which arise in the normal course of business, including interventions in regulatory proceedings and challenges to regulatory approvals and permits. While the final outcome of such actions and proceedings cannot be predicted with certainty, management believes that the resolution of such actions and proceedings will not have a material impact on our interim consolidated financial position or results of operations.

TAX MATTERS

We and our subsidiaries maintain tax liabilities related to uncertain tax positions. While fully supportable in our view, these tax positions, if challenged by tax authorities, may not be fully sustained on review.

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CHANGES IN ACCOUNTING POLICIES (Policies)

6 Months Ended

Jun. 30, 2021

Accounting Standards Update and Change in Accounting Principle [Abstract]

ADOPTION OF NEW ACCOUNTING STANDARDS and FUTURE ACCOUNTING POLICY CHANGES

ADOPTION OF NEW ACCOUNTING STANDARDS

Reference Rate Reform

For eligible hedging relationships existing as at January 1, 2021 and prospectively, we have applied the optional expedient in Accounting Standards Update (ASU) 2020-04 whereby the modification of the hedging instrument does not result in an automatic hedging relationship de-designation. The adoption of this ASU did not have a material impact on our consolidated financial statements.

Clarifying Interaction Between Equity Securities, Equity Method Investments and Derivatives

Effective January 1, 2021, we adopted ASU 2020-01 on a prospective basis. The new standard was issued in January 2020 and clarifies that observable transactions should be considered for the purpose of applying the measurement alternative in accordance with Accounting Standards Codification (ASC) 321 Investments - Equity Securities immediately before the application or upon discontinuance of the equity method of accounting. Furthermore, the ASU clarifies that forward contracts or purchased options on equity securities are not out of scope of ASC 815 Derivatives and Hedging guidance only because, upon the contracts’ exercise, the equity securities could be accounted for under the equity method of accounting or fair value option. The adoption of this ASU did not have a material impact on our consolidated financial statements.

Accounting for Income Taxes

Effective January 1, 2021, we adopted ASU 2019-12 on a prospective basis. The new standard was issued in December 2019 with the intent of simplifying the accounting for income taxes. The accounting update removes certain exceptions to the general principles in ASC 740 Income Taxes as well as provides simplification by clarifying and amending existing guidance. The adoption of this ASU did not have a material impact on our consolidated financial statements.

FUTURE ACCOUNTING POLICY CHANGES

Accounting for Certain Lessor Leases with Variable Lease Payments

ASU 2021-05 was issued in July 2021 to amend lessor accounting for certain leases with variable lease payments that do not depend on a reference index or a rate and would have resulted in the recognition of a loss at lease commencement if classified as a sales-type or a direct financing lease. The ASU amends the classification requirements of such leases for lessors to result in an operating lease classification. ASU 2021-05 is effective January 1, 2022 and can be applied either retrospectively or prospectively with early adoption permitted. We are currently assessing the impact of the new standard on our consolidated financial statements.

Accounting for Modifications or Exchanges of Certain Equity-Classified Contracts

ASU 2021-04 was issued in May 2021 to clarify issuer accounting for modifications or exchanges of freestanding equity-classified written call options that remain equity classified after modification or exchange. The ASU requires an issuer to determine the accounting for the modification or exchange based on the economic substance of the modification or exchange. ASU 2021-04 is effective January 1, 2022 and should be applied prospectively. We are currently assessing the impact of the new standard on our consolidated financial statements.

Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity

ASU 2020-06 was issued in August 2020 to simplify accounting for certain financial instruments. The ASU eliminates the current models that require separation of beneficial conversion and cash conversion features from convertible instruments and simplifies the derivative scope exception guidance pertaining to equity classification of contracts in an entity’s own equity. The ASU also introduces additional disclosures for convertible debt and freestanding instruments that are indexed to and settled in an entity’s own equity. The ASU amends the diluted earnings per share guidance, including the requirement to use if-converted method for all convertible instruments and an update for instruments that can be settled in either cash or shares. ASU 2020-06 is effective January 1, 2022 and should be applied on a full or modified retrospective basis. We are currently assessing the impact of the new standard on our consolidated financial statements.

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REVENUES (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

Major Products and Services

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Transportation revenue	2,157	1,046	150	—	—	—	3,353
Storage and other revenue	37	63	51	—	—	—	151
Gas gathering and processing revenue	—	10	—	—	—	—	10
Gas distribution revenue	—	—	725	—	—	—	725
Electricity and transmission revenue	—	—	—	55	—	—	55
Total revenue from contracts with customers	2,194	1,119	926	55	—	—	4,294
Commodity sales	—	—	—	—	6,334	—	6,334
Other revenue1,2	215	9	12	77	1	6	320
Intersegment revenue	138	—	15	—	10	(163)	—
Total revenue	2,547	1,128	953	132	6,345	(157)	10,948

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Transportation revenue	2,141	1,126	151	—	—	—	3,418
Storage and other revenue	24	66	56	—	—	—	146
Gas gathering and processing revenue	—	5	—	—	—	—	5
Gas distribution revenue	—	—	686	—	—	—	686
Electricity and transmission revenue	—	—	—	54	—	—	54
Total revenue from contracts with customers	2,165	1,197	893	54	—	—	4,309
Commodity sales	—	—	—	—	2,936	—	2,936
Other revenue1,2	598	5	8	96	11	(7)	711
Intersegment revenue	182	1	2	—	2	(187)	—
Total revenue	2,945	1,203	903	150	2,949	(194)	7,956

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Transportation revenue	4,486	2,167	366	—	—	—	7,019
Storage and other revenue	63	137	109	—	—	—	309
Gas gathering and processing revenue	—	17	—	—	—	—	17
Gas distribution revenue	—	—	2,259	—	—	—	2,259
Electricity and transmission revenue	—	—	—	81	—	—	81
Total revenue from contracts with customers	4,549	2,321	2,734	81	—	—	9,685
Commodity sales	—	—	—	—	12,763	—	12,763
Other revenue1,2	427	21	18	168	1	2	637
Intersegment revenue	270	—	24	—	14	(308)	—
Total revenue	5,246	2,342	2,776	249	12,778	(306)	23,085

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Transportation revenue	4,581	2,381	366	—	—	—	7,328
Storage and other revenue	50	145	103	—	—	—	298
Gas gathering and processing revenue	—	12	—	—	—	—	12
Gas distribution revenue	—	—	2,103	—	—	—	2,103
Electricity and transmission revenue	—	—	—	104	—	—	104
Total revenue from contracts with customers	4,631	2,538	2,572	104	—	—	9,845
Commodity sales	—	—	—	—	10,325	—	10,325
Other revenue1,2	(419)	21	7	199	4	(13)	(201)
Intersegment revenue	267	1	6	—	18	(292)	—
Total revenue	4,479	2,560	2,585	303	10,347	(305)	19,969

1 Includes mark-to-market gains from our hedging program for the three months ended June 30, 2021 and 2020 of $131 million and $531 million, respectively. For the six months ended June 30, 2021 and 2020, other revenue includes a $261 million mark-to-market gain and $575 million mark-to-market loss, respectively.

2 Includes revenues from lease contracts for the three months ended June 30, 2021 and 2020 of $143 million and $157 million, respectively and for the six months ended June 30, 2021 and 2020 of $302 million and $315 million, respectively.

Recognition and Measurement of Revenues

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	17	—	17
Revenues from products and services transferred over time1	2,194	1,119	909	55	4,277
Total revenue from contracts with customers	2,194	1,119	926	55	4,294

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	15	—	15
Revenues from products and services transferred over time1	2,165	1,197	878	54	4,294
Total revenue from contracts with customers	2,165	1,197	893	54	4,309

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	34	—	34
Revenues from products and services transferred over time1	4,549	2,321	2,700	81	9,651
Total revenue from contracts with customers	4,549	2,321	2,734	81	9,685

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	30	—	30
Revenues from products and services transferred over time1	4,631	2,538	2,542	104	9,815
Total revenue from contracts with customers	4,631	2,538	2,572	104	9,845

1     Includes revenues from crude oil and natural gas pipeline transportation, storage, natural gas gathering, compression and treating, natural gas distribution, natural gas storage services and electricity sales.

Contract with customer, asset and liability

Contract Balances

	Contract Receivables	Contract Assets	Contract Liabilities
(millions of Canadian dollars)
Balance as at June 30, 2021	1,755	213	1,708
Balance as at December 31, 2020	2,042	226	1,815

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SEGMENTED INFORMATION (Tables)

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Schedule of reporting information by segment

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2021
(millions of Canadian dollars)
Revenues	2,547	1,128	953	132	6,345	(157)	10,948
Commodity and gas distribution costs	(7)	—	(299)	—	(6,567)	154	(6,719)
Operating and administrative	(673)	(424)	(242)	(37)	(9)	(99)	(1,484)
Income from equity investments	180	132	27	13	—	—	352
Other income/(expense)	(3)	32	19	7	(8)	194	241
Earnings/(loss) before interest, income taxes, and depreciation and amortization	2,044	868	458	115	(239)	92	3,338
Depreciation and amortization							(929)
Interest expense							(618)
Income tax expense							(270)
Earnings							1,521
Capital expenditures1	567	547	300	2	—	9	1,425

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Revenues	2,945	1,203	903	150	2,949	(194)	7,956
Commodity and gas distribution costs	(1)	—	(254)	—	(3,021)	168	(3,108)
Operating and administrative	(782)	(438)	(269)	(37)	(29)	(246)	(1,801)
Income/(loss) from equity investments	148	168	(8)	21	(2)	—	327
Other income	30	17	11	29	4	533	624
Earnings/(loss) before interest, income taxes, and depreciation and amortization	2,340	950	383	163	(99)	261	3,998
Depreciation and amortization							(949)
Interest expense							(681)
Income tax expense							(591)
Earnings							1,777
Capital expenditures1	561	429	204	7	1	19	1,221

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2021
(millions of Canadian dollars)
Revenues	5,246	2,342	2,776	249	12,778	(306)	23,085
Commodity and gas distribution costs	(10)	—	(1,257)	—	(12,920)	320	(13,867)
Operating and administrative	(1,492)	(858)	(514)	(80)	(23)	(76)	(3,043)
Income from equity investments	334	314	49	50	—	—	747
Other income/(expense)	5	43	38	52	(10)	374	502
Earnings/(loss) before interest, income taxes, and depreciation and amortization	4,083	1,841	1,092	271	(175)	312	7,424
Depreciation and amortization							(1,861)
Interest expense							(1,275)
Income tax expense							(753)
Earnings							3,535
Capital expenditures1	1,923	1,029	519	7	—	21	3,499

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Revenues	4,479	2,560	2,585	303	10,347	(305)	19,969
Commodity and gas distribution costs	(8)	—	(1,126)	—	(10,264)	272	(11,126)
Operating and administrative	(1,647)	(945)	(518)	(87)	(57)	(147)	(3,401)
Income from equity investments	345	93	15	37	—	—	490
Impairment of equity investments	—	(1,736)	—	—	—	—	(1,736)
Other income/(expense)	21	(76)	31	30	(4)	(525)	(523)
Earnings/(loss) before interest, income taxes, and depreciation and amortization	3,190	(104)	987	283	22	(705)	3,673
Depreciation and amortization							(1,831)
Interest expense							(1,387)
Income tax expense							(42)
Earnings							413
Capital expenditures1	1,061	820	426	30	1	41	2,379

1 Includes allowance for equity funds used during construction.

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EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Schedule of weighted average shares outstanding used to calculate basic and diluted earnings per common share

Weighted average shares outstanding used to calculate basic and diluted earnings per share are as follows:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(number of shares in millions)
Weighted average shares outstanding	2,024	2,019	2,023	2,019
Effect of dilutive options	2	1	1	2
Diluted weighted average shares outstanding	2,026	2,020	2,024	2,021

Schedule of preferred stock characteristics by class

On July 27, 2021, our Board of Directors declared the following quarterly dividends. All dividends are payable on September 1, 2021 to shareholders of record on August 13, 2021.

	Dividend per share
Common Shares1	$0.83500
Preference Shares, Series A	$0.34375
Preference Shares, Series B	$0.21340
Preference Shares, Series C2	$0.15753
Preference Shares, Series D	$0.27875
Preference Shares, Series F	$0.29306
Preference Shares, Series H	$0.27350
Preference Shares, Series J	US$0.30540
Preference Shares, Series L	US$0.30993
Preference Shares, Series N	$0.31788
Preference Shares, Series P	$0.27369
Preference Shares, Series R	$0.25456
Preference Shares, Series 1	US$0.37182
Preference Shares, Series 3	$0.23356
Preference Shares, Series 5	US$0.33596
Preference Shares, Series 7	$0.27806
Preference Shares, Series 9	$0.25606
Preference Shares, Series 11	$0.24613
Preference Shares, Series 13	$0.19019
Preference Shares, Series 15	$0.18644
Preference Shares, Series 17	$0.32188
Preference Shares, Series 19	$0.30625

1 The quarterly dividend per common share was increased 3% to $0.835 from $0.81, effective March 1, 2021.

2 The quarterly dividend per share paid on Series C was increased to $0.15501 from $0.15349 on March 1, 2021, and increased to $0.15753 from $0.15501 on June 1, 2021, due to reset on a quarterly basis following the date of issuance of the Series C Preference Shares.

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DEBT (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of credit facilities

The following table provides details of our committed credit facilities as at June 30, 2021:

	Maturity1	Total Facilities	Draws2	Available
(millions of Canadian dollars)
Enbridge Inc.	2022-2024	9,125	7,446	1,679
Enbridge (U.S.) Inc.	2022-2024	6,811	3,076	3,735
Enbridge Pipelines Inc.	2022	3,000	494	2,506
Enbridge Gas Inc.	2022	2,000	1,410	590
Total committed credit facilities		20,936	12,426	8,510

1Maturity date is inclusive of the one-year term out option for certain credit facilities.

2Includes facility draws and commercial paper issuances that are back-stopped by credit facilities.

Schedule of long-term debt instruments

During the six months ended June 30, 2021, we completed the following long-term debt issuances totaling US$2.0 billion and $800 million:

Company	Issue Date		Principal Amount
(millions of Canadian dollars unless otherwise stated)
Enbridge Inc.
	February 2021	Floating rate notes due February 20231	US$500
	June 2021	2.50% Sustainability-Linked senior notes due August 2033	US$1,000
	June 2021	3.40% senior notes due August 2051	US$500
Enbridge Pipelines Inc.
	May 2021	4.20% medium-term notes due May 2051	$400
	May 2021	2.82% medium-term notes due May 2031	$400

1Notes mature in two years and carry an interest rate set to equal Secured Overnight Financing Rate (SOFR) plus a margin of 40 basis points.

Schedule of repayment of debt

, we completed the following long-term debt repayments totaling $808 million and US$880 million:

Company	Repayment Date		Principal Amount
(millions of Canadian dollars unless otherwise stated)
Enbridge Inc.
	February 2021	4.26% medium-term notes	$200
	March 2021	3.16% medium-term notes	$400
Enbridge Energy Partners, L.P.
	June 2021	4.20% senior notes	US$600
Enbridge Gas Inc.
	May 2021	2.76% medium-term notes	$200
Enbridge Pipelines (Southern Lights) L.L.C.
	June 2021	3.98% senior notes	US$30
Enbridge Southern Lights LP
	June 2021	4.01% senior notes	$8
Spectra Energy Partners, LP
	March 2021	4.60% senior notes	US$250

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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

6 Months Ended

Jun. 30, 2021

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Schedule of changes in AOCI attributable to Enbridge, Inc. common shareholders

Changes in Accumulated Other Comprehensive Income (AOCI) attributable to our common shareholders for the six months ended June 30, 2021 and 2020 are as follows:

	Cash Flow  Hedges	Excluded Components of Fair Value Hedges	Net Investment Hedges	Cumulative Translation Adjustment	Equity Investees	Pension and OPEB Adjustment	Total
(millions of Canadian dollars)
Balance as at January 1, 2021	(1,326)	5	(215)	568	66	(499)	(1,401)
Other comprehensive income/(loss) retained in AOCI	294	(2)	251	(1,584)	1	—	(1,040)
Other comprehensive loss/(income) reclassified to earnings
Interest rate contracts1	142	—	—	—	—	—	142
Foreign exchange contracts2	3	—	—	—	—	—	3
Other contracts3	1	—	—	—	—	—	1
Amortization of pension and OPEB actuarial loss and prior service costs4	—	—	—	—	—	14	14
Other	17	—	—	(20)	3	—	—
	457	(2)	251	(1,604)	4	14	(880)
Tax impact
Income tax on amounts retained in AOCI	(75)	—	(29)	—	1	—	(103)
Income tax on amounts reclassified to earnings	(33)	—	—	—	—	(3)	(36)
	(108)	—	(29)	—	1	(3)	(139)
Balance as at June 30, 2021	(977)	3	7	(1,036)	71	(488)	(2,420)

	Cash Flow  Hedges	Excluded Components of Fair Value Hedges	Net Investment Hedges	Cumulative Translation Adjustment	Equity Investees	Pension and OPEB Adjustment	Total
(millions of Canadian dollars)
Balance as at January 1, 2020	(1,073)	—	(317)	1,396	67	(345)	(272)
Other comprehensive income/(loss) retained in AOCI	(738)	8	(375)	2,843	25	—	1,763
Other comprehensive loss reclassified to earnings
Interest rate contracts1	103	—	—	—	—	—	103
Foreign exchange contracts2	2	—	—	—	—	—	2
Amortization of pension and OPEB actuarial loss and prior service costs4	—	—	—	—	—	9	9
	(633)	8	(375)	2,843	25	9	1,877
Tax impact
Income tax on amounts retained in AOCI	180	—	—	—	(5)	—	175
Income tax on amounts reclassified to earnings	(25)	—	—	—	—	(2)	(27)
	155	—	—	—	(5)	(2)	148
Balance as at June 30, 2020	(1,551)	8	(692)	4,239	87	(338)	1,753

1 Reported within Interest expense in the Consolidated Statements of Earnings.

2 Reported within Transportation and other services revenues and Net foreign currency gain/(loss) in the Consolidated Statements of Earnings.

3 Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

4 These components are included in the computation of net periodic benefit costs and are reported within Other income/(expense) in the Consolidated Statements of Earnings.

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS (Tables)

6 Months Ended

Jun. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of the Consolidated Statements of Financial Position location and carrying value of derivative instruments

The following table summarizes the maximum potential settlement amounts in the event of these specific circumstances. All amounts are presented gross in the Consolidated Statements of Financial Position.

June 30, 2021	Derivative Instruments Used as Cash Flow Hedges	Derivative Instruments Used as Fair Value  Hedges	Non- Qualifying Derivative Instruments	Total Gross Derivative Instruments as Presented	Amounts Available for Offset	Total Net Derivative Instruments
(millions of Canadian dollars)
Accounts receivable and other
Foreign exchange contracts	—	—	312	312	(29)	283
Commodity contracts	—	—	219	219	(174)	45
Other contracts	1	—	5	6	—	6
	1	—	536	537	(203)	334
Deferred amounts and other assets
Foreign exchange contracts	—	—	493	493	(207)	286
Interest rate contracts	157	—	—	157	(23)	134
Commodity contracts	—	—	64	64	(40)	24
Other contracts	2	—	2	4	—	4
	159	—	559	718	(270)	448
Accounts payable and other
Foreign exchange contracts	(14)	(153)	(110)	(277)	29	(248)
Interest rate contracts	(156)	—	—	(156)	—	(156)
Commodity contracts	(9)	—	(356)	(365)	174	(191)
	(179)	(153)	(466)	(798)	203	(595)
Other long-term liabilities
Foreign exchange contracts	—	—	(435)	(435)	207	(228)
Interest rate contracts	(123)	—	(23)	(146)	23	(123)
Commodity contracts	(5)	—	(93)	(98)	40	(58)
	(128)	—	(551)	(679)	270	(409)
Total net derivative assets/(liabilities)
Foreign exchange contracts	(14)	(153)	260	93	—	93
Interest rate contracts	(122)	—	(23)	(145)	—	(145)
Commodity contracts	(14)	—	(166)	(180)	—	(180)
Other contracts	3	—	7	10	—	10
	(147)	(153)	78	(222)	—	(222)

December 31, 2020	Derivative Instruments Used as Cash Flow Hedges	Derivative Instruments Used as Fair Value  Hedges	Non- Qualifying Derivative Instruments	Total Gross Derivative Instruments as Presented	Amounts Available for Offset	Total Net Derivative Instruments
(millions of Canadian dollars)
Accounts receivable and other
Foreign exchange contracts	—	—	180	180	(28)	152
Interest rate contracts	—	—	—	—	—	—
Commodity contracts	—	—	143	143	(81)	62
	—	—	323	323	(109)	214
Deferred amounts and other assets
Foreign exchange contracts	14	—	452	466	(218)	248
Interest rate contracts	56	—	—	56	(25)	31
Commodity contracts	—	—	39	39	(9)	30
	70	—	491	561	(252)	309
Accounts payable and other
Foreign exchange contracts	(5)	(29)	(151)	(185)	28	(157)
Interest rate contracts	(423)	—	(2)	(425)	—	(425)
Commodity contracts	(2)	—	(278)	(280)	81	(199)
Other contracts	(1)	—	(3)	(4)	—	(4)
	(431)	(29)	(434)	(894)	109	(785)
Other long-term liabilities
Foreign exchange contracts	—	(87)	(673)	(760)	218	(542)
Interest rate contracts	(218)	—	(23)	(241)	25	(216)
Commodity contracts	(1)	—	(57)	(58)	9	(49)
	(219)	(87)	(753)	(1,059)	252	(807)
Total net derivative assets/(liabilities)
Foreign exchange contracts	9	(116)	(192)	(299)	—	(299)
Interest rate contracts	(585)	—	(25)	(610)	—	(610)
Commodity contracts	(3)	—	(153)	(156)	—	(156)
Other contracts	(1)	—	(3)	(4)	—	(4)
	(580)	(116)	(373)	(1,069)	—	(1,069)

Summary of the maturity and notional principal or quantity outstanding related to derivative instruments

The following table summarizes the maturity and notional principal or quantity outstanding related to our derivative instruments.

June 30, 2021	2021	2022	2023	2024	2025	Thereafter	Total
Foreign exchange contracts - US dollar forwards - purchase (millions of US dollars)	1,364	1,750	—	—	—	—	3,114
Foreign exchange contracts - US dollar forwards - sell (millions of US dollars)	3,140	5,853	3,784	1,856	648	—	15,281
Foreign exchange contracts - British pound (GBP) forwards - sell (millions of GBP)	67	28	29	30	30	60	244
Foreign exchange contracts - Euro forwards - sell (millions of Euro)	47	94	92	91	86	428	838
Foreign exchange contracts - Japanese yen forwards - purchase (millions of yen)	—	72,500	—	—	—	—	72,500
Interest rate contracts - short-term debt pay fixed rate (millions of Canadian dollars)	1,963	391	47	35	30	90	2,556
Interest rate contracts - long-term debt pay fixed rate (millions of Canadian dollars)	1,062	1,967	1,319	—	—	—	4,348
Equity contracts (millions of Canadian dollars)	39	7	11	—	—	—	57
Commodity contracts - natural gas (billions of cubic feet)2	81	48	12	4	11	—	156
Commodity contracts - crude oil (millions of barrels)2	13	—	—	—	—	—	13
Commodity contracts - power (megawatt per hour) (MW/H)	(41)	(43)	(43)	(43)	(43)	—	(43)	1

1 Total is an average net purchase/(sale) of power.

2 Total is a net purchase/(sale) of underlying commodity.

Schedule of effect of cash flow hedges and net investment hedges on consolidated earnings and consolidated comprehensive income, before income taxes

For foreign exchange derivative instruments that are designated and qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk is included in Net foreign currency gain/(loss) in the Consolidated Statements of Earnings. Any excluded components are included in the Consolidated Statements of Comprehensive Income.

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Unrealized gain/(loss) on derivative	(32)	(133)	(35)	85
Unrealized gain/(loss) on hedged item	32	138	28	(65)
Realized gain/(loss) on derivative	—	—	(39)	(12)
Realized gain on hedged item	—	—	45	—

The following table presents the effect of cash flow hedges, fair value hedges and net investment hedges on our consolidated earnings and consolidated comprehensive income, before the effect of income taxes:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Amount of unrealized gain/(loss) recognized in OCI
Cash flow hedges
Foreign exchange contracts	(5)	(13)	(25)	6
Interest rate contracts	(203)	(35)	294	(750)
Commodity contracts	4	—	(4)	9
Other contracts	1	1	4	(6)
Fair value hedges
Foreign exchange contracts	(1)	5	(2)	8
Net investment hedges
Foreign exchange contracts	—	3	—	(4)
	(204)	(39)	267	(737)
Amount of loss reclassified from AOCI to earnings
Foreign exchange contracts1	2	1	3	2
Interest rate contracts2	79	59	142	103
Commodity contracts	(1)	—	—	—
Other contracts3	1	—	1	—
	81	60	146	105

1    Reported within Transportation and other services revenues and Net foreign currency gain/(loss) in the Consolidated Statements of Earnings.

2    Reported within Interest expense in the Consolidated Statements of Earnings.

3    Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

Schedule of unrealized gains and losses associated with changes in the fair value of non-qualifying derivatives

The following table presents the unrealized gains and losses associated with changes in the fair value of our non-qualifying derivatives:

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Foreign exchange contracts1	218	1,246	454	(757)
Interest rate contracts2	—	3	2	(15)
Commodity contracts3	(90)	(517)	(18)	(44)
Other contracts4	5	—	10	(8)
Total unrealized derivative fair value gain/(loss), net	133	732	448	(824)

1    For the respective six months ended periods, reported within Transportation and other services revenues (2021 - $292 million gain; 2020 - $437 million loss) and Net foreign currency gain/(loss) (2021 - $162 million gain; 2020 - $320 million loss) in the Consolidated Statements of Earnings.

2    Reported as an (increase)/decrease within Interest expense in the Consolidated Statements of Earnings.

3    For the respective six months ended periods, reported within Transportation and other services revenues (2021 - $3 million loss; 2020 - $17 million gain), Commodity sales (2021 - $144 million gain; 2020 - $403 million loss), Commodity costs (2021 - $166 million loss; 2020 - $348 million gain) and Operating and administrative expense (2021 - $7 million gain; 2020 - $6 million loss) in the Consolidated Statements of Earnings.

4    Reported within Operating and administrative expense in the Consolidated Statements of Earnings.

Schedule of group credit concentrations and maximum credit exposure, with respect to derivative instruments

We have credit concentrations and credit exposure, with respect to derivative instruments, in the following counterparty segments:

	June 30, 2021	December 31, 2020
(millions of Canadian dollars)
Canadian financial institutions	668	481
US financial institutions	230	99
European financial institutions	—	28
Asian financial institutions	245	167
Other1	110	97
	1,253	872

1    Other is comprised of commodity clearing house and physical natural gas and crude oil counterparties.

Schedule of derivative assets and liabilities measured at fair value

We have categorized our derivative assets and liabilities measured at fair value as follows:

June 30, 2021	Level 1	Level 2	Level 3	Total Gross Derivative Instruments
(millions of Canadian dollars)
Financial assets
Current derivative assets
Foreign exchange contracts	—	312	—	312
Commodity contracts	105	73	41	219
Other contracts	—	6	—	6
	105	391	41	537
Long-term derivative assets
Foreign exchange contracts	—	493	—	493
Interest rate contracts	—	157	—	157
Commodity contracts	24	32	8	64
Other contracts	—	4	—	4
	24	686	8	718
Financial liabilities
Current derivative liabilities
Foreign exchange contracts	—	(277)	—	(277)
Interest rate contracts	—	(156)	—	(156)
Commodity contracts	(123)	(69)	(173)	(365)
	(123)	(502)	(173)	(798)
Long-term derivative liabilities
Foreign exchange contracts	—	(435)	—	(435)
Interest rate contracts	—	(146)	—	(146)
Commodity contracts	(28)	(16)	(54)	(98)
	(28)	(597)	(54)	(679)
Total net financial assets/(liabilities)
Foreign exchange contracts	—	93	—	93
Interest rate contracts	—	(145)	—	(145)
Commodity contracts	(22)	20	(178)	(180)
Other contracts	—	10	—	10
	(22)	(22)	(178)	(222)

December 31, 2020	Level 1	Level 2	Level 3	Total Gross Derivative Instruments
(millions of Canadian dollars)
Financial assets
Current derivative assets
Foreign exchange contracts	—	180	—	180
Commodity contracts	43	33	67	143
	43	213	67	323
Long-term derivative assets
Foreign exchange contracts	—	466	—	466
Interest rate contracts	—	56	—	56
Commodity contracts	1	24	14	39
	1	546	14	561
Financial liabilities
Current derivative liabilities
Foreign exchange contracts	—	(185)	—	(185)
Interest rate contracts	—	(425)	—	(425)
Commodity contracts	(39)	(18)	(223)	(280)
Other contracts	—	(4)	—	(4)
	(39)	(632)	(223)	(894)
Long-term derivative liabilities
Foreign exchange contracts	—	(760)	—	(760)
Interest rate contracts	—	(241)	—	(241)
Commodity contracts	(1)	(8)	(49)	(58)
	(1)	(1,009)	(49)	(1,059)
Total net financial assets/(liabilities)
Foreign exchange contracts	—	(299)	—	(299)
Interest rate contracts	—	(610)	—	(610)
Commodity contracts	4	31	(191)	(156)
Other contracts	—	(4)	—	(4)
	4	(882)	(191)	(1,069)

Schedule of significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments

The significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments were as follows:

June 30, 2021	Fair Value	Unobservable Input	Minimum Price	Maximum Price	Weighted Average Price	Unit of Measurement
(fair value in millions of Canadian dollars)
Commodity contracts - financial1
Natural gas	(9)	Forward gas price	2.83	5.90	3.87	$/mmbtu2
Crude	(17)	Forward crude price	67.09	90.65	75.20	$/barrel
NGL	—	Forward NGL price	0.99	1.39	1.37	$/gallon
Power	(49)	Forward power price	18.20	116.93	63.92	$/MW/H
Commodity contracts - physical1
Natural gas	(17)	Forward gas price	2.43	6.75	4.02	$/mmbtu2
Crude	(86)	Forward crude price	67.19	91.39	85.53	$/barrel
NGL	—	Forward NGL price	—	—	—	$/gallon
	(178)

1    Financial and physical forward commodity contracts are valued using a market approach valuation technique.

2    One million British thermal units (mmbtu).

Schedule of changes in net fair value of derivative assets and liabilities classified as Level 3 in the fair value hierarchy

Changes in net fair value of derivative assets and liabilities classified as Level 3 in the fair value hierarchy were as follows:

	Six months ended June 30,
	2021	2020
(millions of Canadian dollars)
Level 3 net derivative liability at beginning of period	(191)	(69)
Total gain/(loss)
Included in earnings1	(143)	(107)
Included in OCI	(12)	7
Settlements	168	41
Level 3 net derivative liability at end of period	(178)	(128)

1    Reported within Transportation and other services revenues, Commodity costs and Operating and administrative expense in the Consolidated Statements of Earnings.

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PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables)

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Schedule of net benefit costs recognized

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
(millions of Canadian dollars)
Service cost	48	58	96	100
Interest cost	32	54	64	87
Expected return on plan assets	(84)	(113)	(168)	(180)
Amortization of actuarial loss and prior service costs	14	10	28	19
Net periodic benefit costs	10	9	20	26

For the three and six months ended June 30, 2020, we incurred $236 million in severance costs related to our voluntary workforce reduction program. For the three and six months ended June 30, 2021, there were no such costs incurred. Severance costs are included in Operating and administrative expense in the Consolidated Statements of Earnings.

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REVENUES - Disaggregation of Revenue (Details) - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 4,294	$ 4,309	$ 9,685	$ 9,845
Total revenues	10,948	7,956	23,085	19,969
Revenues from products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	17	15	34	30
Revenues from products and services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	4,277	4,294	9,651	9,815
Transportation revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	3,353	3,418	7,019	7,328
Storage and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	151	146	309	298
Gas gathering and processing revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	10	5	17	12
Gas distribution revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	725	686	2,259	2,103
Total revenues	737	694	2,277	2,110
Electricity and transmission revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	55	54	81	104
Commodity sales
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	6,334	2,936	12,763	10,325
Total revenues	6,334	2,936	12,763	10,325
Other revenue
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	320	711	637	(201)
Liquids Pipelines
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,194	2,165	4,549	4,631
Liquids Pipelines | Revenues from products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Liquids Pipelines | Revenues from products and services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,194	2,165	4,549	4,631
Gas Transmission and Midstream
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,119	1,197	2,321	2,538
Gas Transmission and Midstream | Revenues from products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Gas Transmission and Midstream | Revenues from products and services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,119	1,197	2,321	2,538
Gas Distribution and Storage
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	926	893	2,734	2,572
Gas Distribution and Storage | Revenues from products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	17	15	34	30
Gas Distribution and Storage | Revenues from products and services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	909	878	2,700	2,542
Renewable Power Generation
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	55	54	81	104
Renewable Power Generation | Revenues from products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Renewable Power Generation | Revenues from products and services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	55	54	81	104
Business segments | Liquids Pipelines
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,194	2,165	4,549	4,631
Total revenues	2,547	2,945	5,246	4,479
Business segments | Liquids Pipelines | Transportation revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,157	2,141	4,486	4,581
Business segments | Liquids Pipelines | Storage and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	37	24	63	50
Business segments | Liquids Pipelines | Gas gathering and processing revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Liquids Pipelines | Gas distribution revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Liquids Pipelines | Electricity and transmission revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Liquids Pipelines | Commodity sales
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	0	0	0	0
Business segments | Liquids Pipelines | Other revenue
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	215	598	427	(419)
Business segments | Gas Transmission and Midstream
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,119	1,197	2,321	2,538
Total revenues	1,128	1,203	2,342	2,560
Business segments | Gas Transmission and Midstream | Transportation revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,046	1,126	2,167	2,381
Business segments | Gas Transmission and Midstream | Storage and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	63	66	137	145
Business segments | Gas Transmission and Midstream | Gas gathering and processing revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	10	5	17	12
Business segments | Gas Transmission and Midstream | Gas distribution revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Gas Transmission and Midstream | Electricity and transmission revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Gas Transmission and Midstream | Commodity sales
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	0	0	0	0
Business segments | Gas Transmission and Midstream | Other revenue
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	9	5	21	21
Business segments | Gas Distribution and Storage
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	926	893	2,734	2,572
Total revenues	953	903	2,776	2,585
Business segments | Gas Distribution and Storage | Transportation revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	150	151	366	366
Business segments | Gas Distribution and Storage | Storage and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	51	56	109	103
Business segments | Gas Distribution and Storage | Gas gathering and processing revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Gas Distribution and Storage | Gas distribution revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	725	686	2,259	2,103
Business segments | Gas Distribution and Storage | Electricity and transmission revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Gas Distribution and Storage | Commodity sales
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	0	0	0	0
Business segments | Gas Distribution and Storage | Other revenue
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	12	8	18	7
Business segments | Renewable Power Generation
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	55	54	81	104
Total revenues	132	150	249	303
Business segments | Renewable Power Generation | Transportation revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Renewable Power Generation | Storage and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Renewable Power Generation | Gas gathering and processing revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Renewable Power Generation | Gas distribution revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Renewable Power Generation | Electricity and transmission revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	55	54	81	104
Business segments | Renewable Power Generation | Commodity sales
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	0	0	0	0
Business segments | Renewable Power Generation | Other revenue
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	77	96	168	199
Business segments | Energy Services
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Total revenues	6,345	2,949	12,778	10,347
Business segments | Energy Services | Transportation revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Energy Services | Storage and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Energy Services | Gas gathering and processing revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Energy Services | Gas distribution revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Energy Services | Electricity and transmission revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Business segments | Energy Services | Commodity sales
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	6,334	2,936	12,763	10,325
Business segments | Energy Services | Other revenue
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	1	11	1	4
Eliminations and Other
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Total revenues	(157)	(194)	(306)	(305)
Eliminations and Other | Transportation revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Eliminations and Other | Storage and other revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Eliminations and Other | Gas gathering and processing revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Eliminations and Other | Gas distribution revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Eliminations and Other | Electricity and transmission revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0	0	0
Eliminations and Other | Commodity sales
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	0	0	0	0
Eliminations and Other | Other revenue
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	6	(7)	2	(13)
Intersegment revenue
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	(163)	(187)	(308)	(292)
Total revenues	(157)	(194)	(306)	(305)
Intersegment revenue | Liquids Pipelines
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	138	182	270	267
Intersegment revenue | Gas Transmission and Midstream
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	0	1	0	1
Intersegment revenue | Gas Distribution and Storage
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	15	2	24	6
Intersegment revenue | Renewable Power Generation
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	0	0	0	0
Intersegment revenue | Energy Services
Disaggregation of Revenue [Line Items]
Revenue not from contract with customers	$ 10	$ 2	$ 14	$ 18

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REVENUES - Narrative (Details) - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue from Contract with Customer [Abstract]
Mark-to-market gains (losses) from hedging program	$ 131	$ 531	$ 261	$ (575)
Revenues from lease contracts	143	$ 157	302	$ 315
Revenue recognized	80		225
Increase (decrease) in contract with customers, liability	76		145
Remaining performance obligation	55,200		55,200
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 3,300		$ 3,300
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, period	6 months		6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 5,600		$ 5,600
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, period	1 year		1 year

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REVENUES - Contract Balances (Details) - CAD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Contract Receivables	$ 1,755	$ 2,042
Contract Assets	213	226
Contract Liabilities	$ 1,708	$ 1,815

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SEGMENTED INFORMATION (Details) - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segmented Information
Revenues	$ 10,948	$ 7,956	$ 23,085	$ 19,969
Commodity and gas distribution costs	(6,719)	(3,108)	(13,867)	(11,126)
Operating and administrative	(1,484)	(1,801)	(3,043)	(3,401)
Income from equity investments	352	327	747	490
Impairment of equity investments	0	0	0	(1,736)
Other income/(expense)	241	624	502	(523)
Earnings/(loss) before interest, income taxes, and depreciation and amortization	3,338	3,998	7,424	3,673
Depreciation and amortization	(929)	(949)	(1,861)	(1,831)
Interest expense	(618)	(681)	(1,275)	(1,387)
Income tax expense	(270)	(591)	(753)	(42)
Earnings	1,521	1,777	3,535	413
Capital expenditures	1,425	1,221	3,499	2,379
Eliminations and Other
Segmented Information
Revenues	(157)	(194)	(306)	(305)
Commodity and gas distribution costs	154	168	320	272
Operating and administrative	(99)	(246)	(76)	(147)
Income from equity investments	0	0	0	0
Impairment of equity investments				0
Other income/(expense)	194	533	374	(525)
Earnings/(loss) before interest, income taxes, and depreciation and amortization	92	261	312	(705)
Capital expenditures	9	19	21	41
Liquids Pipelines | Business segments
Segmented Information
Revenues	2,547	2,945	5,246	4,479
Commodity and gas distribution costs	(7)	(1)	(10)	(8)
Operating and administrative	(673)	(782)	(1,492)	(1,647)
Income from equity investments	180	148	334	345
Impairment of equity investments				0
Other income/(expense)	(3)	30	5	21
Earnings/(loss) before interest, income taxes, and depreciation and amortization	2,044	2,340	4,083	3,190
Capital expenditures	567	561	1,923	1,061
Gas Transmission and Midstream | Business segments
Segmented Information
Revenues	1,128	1,203	2,342	2,560
Commodity and gas distribution costs	0	0	0	0
Operating and administrative	(424)	(438)	(858)	(945)
Income from equity investments	132	168	314	93
Impairment of equity investments				(1,736)
Other income/(expense)	32	17	43	(76)
Earnings/(loss) before interest, income taxes, and depreciation and amortization	868	950	1,841	(104)
Capital expenditures	547	429	1,029	820
Gas Distribution and Storage | Business segments
Segmented Information
Revenues	953	903	2,776	2,585
Commodity and gas distribution costs	(299)	(254)	(1,257)	(1,126)
Operating and administrative	(242)	(269)	(514)	(518)
Income from equity investments	27	(8)	49	15
Impairment of equity investments				0
Other income/(expense)	19	11	38	31
Earnings/(loss) before interest, income taxes, and depreciation and amortization	458	383	1,092	987
Capital expenditures	300	204	519	426
Renewable Power Generation | Business segments
Segmented Information
Revenues	132	150	249	303
Commodity and gas distribution costs	0	0	0	0
Operating and administrative	(37)	(37)	(80)	(87)
Income from equity investments	13	21	50	37
Impairment of equity investments				0
Other income/(expense)	7	29	52	30
Earnings/(loss) before interest, income taxes, and depreciation and amortization	115	163	271	283
Capital expenditures	2	7	7	30
Energy Services | Business segments
Segmented Information
Revenues	6,345	2,949	12,778	10,347
Commodity and gas distribution costs	(6,567)	(3,021)	(12,920)	(10,264)
Operating and administrative	(9)	(29)	(23)	(57)
Income from equity investments	0	(2)	0	0
Impairment of equity investments				0
Other income/(expense)	(8)	4	(10)	(4)
Earnings/(loss) before interest, income taxes, and depreciation and amortization	(239)	(99)	(175)	22
Capital expenditures	$ 0	$ 1	$ 0	$ 1

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EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE - Basic (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Pro-rata weighted average interest in entity's own common shares (in shares)	2	6	3	6

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EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE - Diluted (Details) - $ / shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Weighted average number of common shares outstanding diluted
Weighted average shares outstanding (in shares)	2,024.0	2,019.0	2,023.0	2,019.0
Effect of dilutive options (in shares)	2.0	1.0	1.0	2.0
Diluted weighted average shares outstanding (in shares)	2,026.0	2,020.0	2,024.0	2,021.0
Stock options
Weighted average number of common shares outstanding diluted
Antidilutive securities excluded from the diluted earnings per common share calculation (in shares)	20.5	34.6	24.0	25.7
Weighted average exercise price of antidilutive securities (in Canadian dollars per share)	$ 50.66	$ 51.00	$ 51.10	$ 52.71

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EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE - Dividends Per Share (Details)					2 Months Ended
	Jul. 27, 2021 $ / shares	Jul. 27, 2021 $ / shares	Jun. 01, 2021 $ / shares	Mar. 01, 2021 $ / shares	Feb. 28, 2021 $ / shares
Dividends Payable [Line Items]
Common stock, dividends, per share, declared (in dollars per share)				$ 0.835	$ 0.81
Increase in quarterly dividend per common share (percent)				3.00%
Preferred share investment | Preference Shares, Series C
Dividends Payable [Line Items]
Dividend per share (in dollars per share)			$ 0.15753	$ 0.15501	$ 0.15349
Subsequent event | Common shares
Dividends Payable [Line Items]
Common stock, dividends, per share, declared (in dollars per share)	$ 0.83500
Subsequent event | Preferred share investment | Preference Shares, Series A
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.34375
Subsequent event | Preferred share investment | Preference Shares, Series B
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.21340
Subsequent event | Preferred share investment | Preference Shares, Series C
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.15753
Subsequent event | Preferred share investment | Preference Shares, Series D
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.27875
Subsequent event | Preferred share investment | Preference Shares, Series F
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.29306
Subsequent event | Preferred share investment | Preference Shares, Series H
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.27350
Subsequent event | Preferred share investment | Preference Shares, Series J
Dividends Payable [Line Items]
Dividend per share (in dollars per share)		$ 0.30540
Subsequent event | Preferred share investment | Preference Shares, Series L
Dividends Payable [Line Items]
Dividend per share (in dollars per share)		0.30993
Subsequent event | Preferred share investment | Preference Shares, Series N
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.31788
Subsequent event | Preferred share investment | Preference Shares, Series P
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.27369
Subsequent event | Preferred share investment | Preference Shares, Series R
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.25456
Subsequent event | Preferred share investment | Preference Shares, Series 1
Dividends Payable [Line Items]
Dividend per share (in dollars per share)		0.37182
Subsequent event | Preferred share investment | Preference Shares, Series 3
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.23356
Subsequent event | Preferred share investment | Preference Shares, Series 5
Dividends Payable [Line Items]
Dividend per share (in dollars per share)		$ 0.33596
Subsequent event | Preferred share investment | Preference Shares, Series 7
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.27806
Subsequent event | Preferred share investment | Preference Shares, Series 9
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.25606
Subsequent event | Preferred share investment | Preference Shares, Series 11
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.24613
Subsequent event | Preferred share investment | Preference Shares, Series 13
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.19019
Subsequent event | Preferred share investment | Preference Shares, Series 15
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.18644
Subsequent event | Preferred share investment | Preference Shares, Series 17
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	0.32188
Subsequent event | Preferred share investment | Preference Shares, Series 19
Dividends Payable [Line Items]
Dividend per share (in dollars per share)	$ 0.30625

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DEBT - Credit Facilities (Details) - Committed credit facilities $ in Millions	Jun. 30, 2021 CAD ($)
CREDIT FACILITIES
Total Facilities	$ 20,936
Draws	12,426
Available	8,510
Enbridge (U.S.) Inc.
CREDIT FACILITIES
Total Facilities	6,811
Draws	3,076
Available	3,735
Enbridge Pipelines Inc.
CREDIT FACILITIES
Total Facilities	3,000
Draws	494
Available	2,506
Enbridge Gas Inc.
CREDIT FACILITIES
Total Facilities	2,000
Draws	1,410
Available	590
Enbridge Inc.
CREDIT FACILITIES
Total Facilities	9,125
Draws	7,446
Available	$ 1,679

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DEBT - Narrative (Details) $ in Millions, $ in Millions				1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 23, 2021 CAD ($)	Feb. 25, 2021 USD ($) debt_instrument	Feb. 10, 2021 CAD ($)	Feb. 28, 2021 USD ($)	Jun. 30, 2021 CAD ($)	Jun. 30, 2020 CAD ($)	Jun. 30, 2021 CAD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 CAD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 CAD ($)
Line of Credit Facility [Line Items]
Principal Amount							$ 808	$ 880
Commitment fee percentage							0.20%	0.20%
Long-term debt					$ 63,090		$ 63,090				$ 62,819
Principal amount of debt					800		800			$ 2,000
Long-term debt, fair value adjustment					703		703				750
Amortization of fair value adjustment					13	$ 14	25		$ 29
Term Loan
Line of Credit Facility [Line Items]
Number of term loans repaid | debt_instrument		2
Principal Amount		$ 500
Commercial paper and credit facility draws
Line of Credit Facility [Line Items]
Long-term debt					9,000		9,000				9,900
Fixed-to-floating subordinated term notes | Subordinated term notes
Line of Credit Facility [Line Items]
Subordinated debt					7,600		7,600
Fixed-to-fixed subordinated term notes | Subordinated term notes
Line of Credit Facility [Line Items]
Subordinated debt											7,800
Floating rate notes due February 2023 | Enbridge Inc.
Line of Credit Facility [Line Items]
Term of debt instrument				2 years
Principal amount of debt				$ 500
Floating rate notes due February 2023 | SOFR | Enbridge Inc.
Line of Credit Facility [Line Items]
Spread on variable rate (percent)				0.40%
Committed credit facilities
Line of Credit Facility [Line Items]
Amount of credit facility					20,936		20,936
Unutilized amount of facility					8,510		$ 8,510
Committed credit facilities | Enbridge Inc.
Line of Credit Facility [Line Items]
Term out provision							1 year	1 year
Amount of credit facility					9,125		$ 9,125
Unutilized amount of facility					1,679		$ 1,679
Committed credit facilities | Enbridge Pipelines Inc.
Line of Credit Facility [Line Items]
Term out provision							1 year	1 year
Amount of credit facility					3,000		$ 3,000
Unutilized amount of facility					2,506		$ 2,506
Committed credit facilities | Enbridge Gas Inc.
Line of Credit Facility [Line Items]
Term out provision							1 year	1 year
Amount of credit facility					2,000		$ 2,000
Unutilized amount of facility					590		$ 590
Committed credit facilities | Enbridge (U.S.) Inc.
Line of Credit Facility [Line Items]
Term out provision							1 year	1 year
Amount of credit facility					6,811		$ 6,811
Unutilized amount of facility					3,735		3,735
Revolving credit facility | Sustainability-linked Credit Facility
Line of Credit Facility [Line Items]
Term of debt instrument			3 years
Amount of credit facility			$ 1,000
Revolving credit facility | Syndicated Credit Facility
Line of Credit Facility [Line Items]
Term of debt instrument			1 year
Credit facility terminated			$ 3,000
Revolving credit facility | 364-Day Extendible Credit Facilities | Subsequent event
Line of Credit Facility [Line Items]
Term out provision	1 year
Term of debt instrument	364 days
Amount of credit facility	$ 10,000
Revolving credit facility | Five-Year Credit Facilities | Subsequent event
Line of Credit Facility [Line Items]
Term of debt instrument	5 years
Amount of credit facility	$ 8,000
Uncommitted demand credit facilities
Line of Credit Facility [Line Items]
Amount of credit facility					1,400		1,400				849
Unutilized amount of facility					$ 978		$ 978				$ 533

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DEBT - Long Term Debt Issuance (Details) $ in Millions, $ in Millions	Jun. 30, 2021 USD ($)	Jun. 30, 2021 CAD ($)	May 31, 2021 CAD ($)	Feb. 28, 2021 USD ($)
Debt Instrument [Line Items]
Principal Amount	$ 2,000	$ 800
Floating rate notes due February 2023 | Enbridge Inc.
Debt Instrument [Line Items]
Principal Amount				$ 500
2.50% Sustainability-Linked senior notes due August 2033 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)	2.50%	2.50%
Principal Amount	$ 1,000
3.40% senior notes due August 2051 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)	3.40%	3.40%
Principal Amount	$ 500
4.20% medium-term notes due May 2051 | Enbridge Pipelines Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)			4.20%
Principal Amount			$ 400
2.82% medium-term notes due May 2031 | Enbridge Pipelines Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)			2.82%
Principal Amount			$ 400

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DEBT - Long Term Debt Repayments (Details) $ in Millions, $ in Millions	1 Months Ended						6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2021 CAD ($)	May 31, 2021 CAD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2021 CAD ($)	Feb. 28, 2021 CAD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 CAD ($)
DEBT
Principal Amount							$ 880	$ 808
Enbridge Energy Partners, L.P. | 4.20% senior notes
DEBT
Interest rate (as a percent)	4.20%	4.20%					4.20%	4.20%
Principal Amount	$ 600
Enbridge Gas Inc. | 2.76% medium-term notes
DEBT
Interest rate (as a percent)			2.76%
Principal Amount			$ 200
Enbridge Pipelines (Southern Lights) LLC [Member] | 3.98% senior notes
DEBT
Interest rate (as a percent)	3.98%	3.98%					3.98%	3.98%
Principal Amount	$ 30
Enbridge Southern Lights LP [Member] | 4.01% senior notes
DEBT
Interest rate (as a percent)	4.01%	4.01%					4.01%	4.01%
Principal Amount		$ 8
Spectra Energy Partners, LP | 4.60% senior notes
DEBT
Interest rate (as a percent)				4.60%	4.60%
Principal Amount				$ 250
Enbridge Inc. | 4.26% medium-term notes
DEBT
Interest rate (as a percent)						4.26%
Principal Amount						$ 200
Enbridge Inc. | 3.16% medium-term notes
DEBT
Interest rate (as a percent)				3.16%	3.16%
Principal Amount					$ 400

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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - CAD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Changes in AOCI
Balance at the beginning of the period	$ 64,363
Other comprehensive income/(loss) retained in AOCI	(1,040)	$ 1,763
Total before tax impact	(880)	1,877
Income tax on amounts retained in AOCI	(103)	175
Income tax on amounts reclassified to earnings	(36)	(27)
Tax impact	(139)	148
Balance at the end of the period	64,896	69,941
Interest rate contracts
Changes in AOCI
Other comprehensive (income)/loss reclassified to earnings	142	103
Foreign exchange contracts
Changes in AOCI
Other comprehensive (income)/loss reclassified to earnings	3	2
Other contracts
Changes in AOCI
Other comprehensive (income)/loss reclassified to earnings	1
Total
Changes in AOCI
Balance at the beginning of the period	(1,401)	(272)
Balance at the end of the period	(2,420)	1,753
Cash Flow  Hedges
Changes in AOCI
Balance at the beginning of the period	(1,326)	(1,073)
Other comprehensive income/(loss) retained in AOCI	294	(738)
Other comprehensive (income)/loss reclassified to earnings	17
Total before tax impact	457	(633)
Income tax on amounts retained in AOCI	(75)	180
Income tax on amounts reclassified to earnings	(33)	(25)
Tax impact	(108)	155
Balance at the end of the period	(977)	(1,551)
Cash Flow  Hedges | Interest rate contracts
Changes in AOCI
Other comprehensive (income)/loss reclassified to earnings	142	103
Cash Flow  Hedges | Foreign exchange contracts
Changes in AOCI
Other comprehensive (income)/loss reclassified to earnings	3	2
Cash Flow  Hedges | Other contracts
Changes in AOCI
Other comprehensive (income)/loss reclassified to earnings	1
Excluded Components of Fair Value Hedges
Changes in AOCI
Balance at the beginning of the period	5	0
Other comprehensive income/(loss) retained in AOCI	(2)	8
Total before tax impact	(2)	8
Income tax on amounts retained in AOCI	0	0
Income tax on amounts reclassified to earnings	0	0
Tax impact	0	0
Balance at the end of the period	3	8
Net Investment Hedges
Changes in AOCI
Balance at the beginning of the period	(215)	(317)
Other comprehensive income/(loss) retained in AOCI	251	(375)
Total before tax impact	251	(375)
Income tax on amounts retained in AOCI	(29)	0
Income tax on amounts reclassified to earnings	0	0
Tax impact	(29)	0
Balance at the end of the period	7	(692)
Cumulative Translation Adjustment
Changes in AOCI
Balance at the beginning of the period	568	1,396
Other comprehensive income/(loss) retained in AOCI	(1,584)	2,843
Other comprehensive (income)/loss reclassified to earnings	(20)
Total before tax impact	(1,604)	2,843
Income tax on amounts retained in AOCI	0	0
Income tax on amounts reclassified to earnings	0	0
Tax impact	0	0
Balance at the end of the period	(1,036)	4,239
Equity Investees
Changes in AOCI
Balance at the beginning of the period	66	67
Other comprehensive income/(loss) retained in AOCI	1	25
Other comprehensive (income)/loss reclassified to earnings	3
Total before tax impact	4	25
Income tax on amounts retained in AOCI	1	(5)
Income tax on amounts reclassified to earnings	0	0
Tax impact	1	(5)
Balance at the end of the period	71	87
Pension and OPEB Adjustment
Changes in AOCI
Balance at the beginning of the period	(499)	(345)
Other comprehensive (income)/loss reclassified to earnings	14	9
Total before tax impact	14	9
Income tax on amounts retained in AOCI	0	0
Income tax on amounts reclassified to earnings	(3)	(2)
Tax impact	(3)	(2)
Balance at the end of the period	$ (488)	$ (338)

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IMPAIRMENT OF EQUITY INVESTMENTS (Details) - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Impairment loss on equity method investments	$ 0	$ 0	$ 0	$ 1,736
Loss from equity investments	$ (352)	$ (327)	$ (747)	(490)
DCP Midstream, LLC
Schedule of Equity Method Investments [Line Items]
Ownership interest (percent)	50.00%		50.00%
Impairment loss on equity method investments				1,700
Loss from equity investments				$ 324
Carrying value of investment	$ 286		$ 286		$ 331

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Market Risk (Details)	6 Months Ended
	Jun. 30, 2021 equity_type
Interest rate contracts - short-term borrowings
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
Floating rate debt as target percentage of total debt outstanding	30.00%
Short-term pay fixed-receive floating interest rate swaps
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
Average swap rate (percent)	3.10%
Average swap rate, variable (as a percent)	2.20%
Equity contracts
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
Number of forms of stock-based compensation with equity price risk	1

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Total Derivative Instruments (Details) - CAD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	$ (222)	$ (1,069)
Derivative liabilities, Total Net Derivative Instruments	(222)	(1,069)
Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	78	(373)
Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(147)	(580)
Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(153)	(116)
Accounts receivable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	537	323
Derivative assets, Amounts Available for Offset	(203)	(109)
Derivative assets, Total Net Derivative Instruments	334	214
Accounts receivable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	536	323
Accounts receivable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	1	0
Accounts receivable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Deferred amounts and other assets
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	718	561
Derivative assets, Amounts Available for Offset	(270)	(252)
Derivative assets, Total Net Derivative Instruments	448	309
Deferred amounts and other assets | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	559	491
Deferred amounts and other assets | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	159	70
Deferred amounts and other assets | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Accounts payable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(798)	(894)
Derivative liabilities, Amounts Available for Offset	203	109
Derivative liabilities, Total Net Derivative Instruments	(595)	(785)
Accounts payable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(466)	(434)
Accounts payable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(179)	(431)
Accounts payable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(153)	(29)
Other long-term liabilities
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(679)	(1,059)
Derivative liabilities, Amounts Available for Offset	270	252
Derivative liabilities, Total Net Derivative Instruments	(409)	(807)
Other long-term liabilities | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(551)	(753)
Other long-term liabilities | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(128)	(219)
Other long-term liabilities | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	0	(87)
Foreign exchange contracts
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	93	(299)
Derivative liabilities, Total Net Derivative Instruments	93	(299)
Foreign exchange contracts | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	260	(192)
Foreign exchange contracts | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(14)	9
Foreign exchange contracts | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(153)	(116)
Foreign exchange contracts | Accounts receivable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	312	180
Derivative assets, Amounts Available for Offset	(29)	(28)
Derivative assets, Total Net Derivative Instruments	283	152
Foreign exchange contracts | Accounts receivable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	312	180
Foreign exchange contracts | Accounts receivable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Foreign exchange contracts | Accounts receivable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Foreign exchange contracts | Deferred amounts and other assets
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	493	466
Derivative assets, Amounts Available for Offset	(207)	(218)
Derivative assets, Total Net Derivative Instruments	286	248
Foreign exchange contracts | Deferred amounts and other assets | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	493	452
Foreign exchange contracts | Deferred amounts and other assets | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	14
Foreign exchange contracts | Deferred amounts and other assets | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Foreign exchange contracts | Accounts payable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(277)	(185)
Derivative liabilities, Amounts Available for Offset	29	28
Derivative liabilities, Total Net Derivative Instruments	(248)	(157)
Foreign exchange contracts | Accounts payable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(110)	(151)
Foreign exchange contracts | Accounts payable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(14)	(5)
Foreign exchange contracts | Accounts payable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(153)	(29)
Foreign exchange contracts | Other long-term liabilities
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(435)	(760)
Derivative liabilities, Amounts Available for Offset	207	218
Derivative liabilities, Total Net Derivative Instruments	(228)	(542)
Foreign exchange contracts | Other long-term liabilities | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(435)	(673)
Foreign exchange contracts | Other long-term liabilities | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	0	0
Foreign exchange contracts | Other long-term liabilities | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	0	(87)
Interest rate contracts
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(145)	(610)
Derivative liabilities, Total Net Derivative Instruments	(145)	(610)
Interest rate contracts | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(23)	(25)
Interest rate contracts | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(122)	(585)
Interest rate contracts | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	0	0
Interest rate contracts | Accounts receivable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets		0
Derivative assets, Amounts Available for Offset		0
Derivative assets, Total Net Derivative Instruments		0
Interest rate contracts | Accounts receivable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets		0
Interest rate contracts | Accounts receivable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets		0
Interest rate contracts | Accounts receivable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets		0
Interest rate contracts | Deferred amounts and other assets
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	157	56
Derivative assets, Amounts Available for Offset	(23)	(25)
Derivative assets, Total Net Derivative Instruments	134	31
Interest rate contracts | Deferred amounts and other assets | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Interest rate contracts | Deferred amounts and other assets | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	157	56
Interest rate contracts | Deferred amounts and other assets | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Interest rate contracts | Accounts payable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(156)	(425)
Derivative liabilities, Amounts Available for Offset	0	0
Derivative liabilities, Total Net Derivative Instruments	(156)	(425)
Interest rate contracts | Accounts payable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	0	(2)
Interest rate contracts | Accounts payable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(156)	(423)
Interest rate contracts | Accounts payable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	0	0
Interest rate contracts | Other long-term liabilities
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(146)	(241)
Derivative liabilities, Amounts Available for Offset	23	25
Derivative liabilities, Total Net Derivative Instruments	(123)	(216)
Interest rate contracts | Other long-term liabilities | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(23)	(23)
Interest rate contracts | Other long-term liabilities | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(123)	(218)
Interest rate contracts | Other long-term liabilities | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	0	0
Commodity contracts
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(180)	(156)
Derivative liabilities, Total Net Derivative Instruments	(180)	(156)
Commodity contracts | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(166)	(153)
Commodity contracts | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	(14)	(3)
Commodity contracts | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	0	0
Commodity contracts | Accounts receivable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	219	143
Derivative assets, Amounts Available for Offset	(174)	(81)
Derivative assets, Total Net Derivative Instruments	45	62
Commodity contracts | Accounts receivable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	219	143
Commodity contracts | Accounts receivable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Commodity contracts | Accounts receivable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Commodity contracts | Deferred amounts and other assets
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	64	39
Derivative assets, Amounts Available for Offset	(40)	(9)
Derivative assets, Total Net Derivative Instruments	24	30
Commodity contracts | Deferred amounts and other assets | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	64	39
Commodity contracts | Deferred amounts and other assets | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Commodity contracts | Deferred amounts and other assets | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0	0
Commodity contracts | Accounts payable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(365)	(280)
Derivative liabilities, Amounts Available for Offset	174	81
Derivative liabilities, Total Net Derivative Instruments	(191)	(199)
Commodity contracts | Accounts payable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(356)	(278)
Commodity contracts | Accounts payable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(9)	(2)
Commodity contracts | Accounts payable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	0	0
Commodity contracts | Other long-term liabilities
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(98)	(58)
Derivative liabilities, Amounts Available for Offset	40	9
Derivative liabilities, Total Net Derivative Instruments	(58)	(49)
Commodity contracts | Other long-term liabilities | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(93)	(57)
Commodity contracts | Other long-term liabilities | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	(5)	(1)
Commodity contracts | Other long-term liabilities | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities	0	0
Other contracts
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	10	(4)
Derivative liabilities, Total Net Derivative Instruments	10	(4)
Other contracts | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	7	(3)
Other contracts | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	3	(1)
Other contracts | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Total net derivative asset/(liability)	0	0
Other contracts | Accounts receivable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	6
Derivative assets, Amounts Available for Offset	0
Derivative assets, Total Net Derivative Instruments	6
Other contracts | Accounts receivable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	5
Other contracts | Accounts receivable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	1
Other contracts | Accounts receivable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	0
Other contracts | Deferred amounts and other assets
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	4
Derivative assets, Amounts Available for Offset	0
Derivative assets, Total Net Derivative Instruments	4
Other contracts | Deferred amounts and other assets | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	2
Other contracts | Deferred amounts and other assets | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	2
Other contracts | Deferred amounts and other assets | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative assets	$ 0
Other contracts | Accounts payable and other
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities		(4)
Derivative liabilities, Amounts Available for Offset		0
Derivative liabilities, Total Net Derivative Instruments		(4)
Other contracts | Accounts payable and other | Non-Qualifying Derivative Instruments
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities		(3)
Other contracts | Accounts payable and other | Cash Flow Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities		(1)
Other contracts | Accounts payable and other | Fair Value Hedges | Designated as hedging instrument
TOTAL DERIVATIVE INSTRUMENTS
Derivative liabilities		$ 0

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Notional Principal or Quantity Information (Details) - Jun. 30, 2021 € in Millions, ¥ in Millions, £ in Millions, $ in Millions, $ in Millions	USD ($) MWh MMBbls Bcf	GBP (£) MWh MMBbls Bcf	EUR (€) MWh MMBbls Bcf	JPY (¥) MWh MMBbls Bcf	CAD ($) MWh MMBbls Bcf
Foreign exchange contracts - forwards - purchase | United States dollar
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020	$ 1,364
2021	1,750
2022	0
2023	0
2024	0
Thereafter	0
Derivative Notional Amount Outstanding	3,114
Foreign exchange contracts - forwards - purchase | Japanese yen
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020 | ¥				¥ 0
2021 | ¥				72,500
2022 | ¥				0
2023 | ¥				0
2024 | ¥				0
Thereafter | ¥				0
Derivative Notional Amount Outstanding | ¥				¥ 72,500
Foreign exchange contracts - forwards - sell | United States dollar
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020	3,140
2021	5,853
2022	3,784
2023	1,856
2024	648
Thereafter	0
Derivative Notional Amount Outstanding	$ 15,281
Foreign exchange contracts - forwards - sell | GBP
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020 | £		£ 67
2021 | £		28
2022 | £		29
2023 | £		30
2024 | £		30
Thereafter | £		60
Derivative Notional Amount Outstanding | £		£ 244
Foreign exchange contracts - forwards - sell | Euro
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020 | €			€ 47
2021 | €			94
2022 | €			92
2023 | €			91
2024 | €			86
Thereafter | €			428
Derivative Notional Amount Outstanding | €			€ 838
Interest rate contracts - short-term borrowings
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020					$ 1,963
2021					391
2022					47
2023					35
2024					30
Thereafter					90
Derivative Notional Amount Outstanding					2,556
Interest rate contracts - long-term debt pay fixed rate
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020					1,062
2021					1,967
2022					1,319
2023					0
2024					0
Thereafter					0
Derivative Notional Amount Outstanding					4,348
Equity contracts
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020					39
2021					7
2022					11
2023					0
2024					0
Thereafter					0
Derivative Notional Amount Outstanding					$ 57
Commodity contracts | Natural gas
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2021 (bcf / mmbbls) | Bcf	81	81	81	81	81
2022 (bcf / mmbbls) | Bcf	48	48	48	48	48
2023 (bcf / mmbbls) | Bcf	12	12	12	12	12
2024 (bcf / mmbbls) | Bcf	4	4	4	4	4
2025 (bcf / mmbbls) | Bcf	11	11	11	11	11
Thereafter (bcf / mmbbls) | Bcf	0	0	0	0	0
Derivative Nonmonetary Notional Amount Outstanding | Bcf	156	156	156	156	156
Commodity contracts | Crude
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2021 (bcf / mmbbls) | MMBbls	13	13	13	13	13
2022 (bcf / mmbbls) | MMBbls	0	0	0	0	0
2023 (bcf / mmbbls) | MMBbls	0	0	0	0	0
2024 (bcf / mmbbls) | MMBbls	0	0	0	0	0
2025 (bcf / mmbbls) | MMBbls	0	0	0	0	0
Thereafter (bcf / mmbbls) | MMBbls	0	0	0	0	0
Derivative Nonmonetary Notional Amount Outstanding | MMBbls	13	13	13	13	13
Net purchase | Commodity contracts | Power
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2021 (MWH) | MWh	(41)	(41)	(41)	(41)	(41)
Net sell | Commodity contracts | Power
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2022 (MWH) | MWh	(43)	(43)	(43)	(43)	(43)
2023 (MWH) | MWh	(43)	(43)	(43)	(43)	(43)
2024 (MWH) | MWh	(43)	(43)	(43)	(43)	(43)
2025 (MWH) | MWh	(43)	(43)	(43)	(43)	(43)
Thereafter (MWH) | MWh	0	0	0	0	0
Total (MWH) | MWh	(43)	(43)	(43)	(43)	(43)

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Fair Value Derivatives (Details) - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Foreign Currency Fair Value Hedge Derivative [Line Items]
Realized gain/(loss) on derivative	$ 131	$ 531	$ 261	$ (575)
Fair Value Hedges
Foreign Currency Fair Value Hedge Derivative [Line Items]
Unrealized gain/(loss) on derivative	(32)	(133)	(35)	85
Unrealized gain/(loss) on hedged item	32	138	28	(65)
Fair Value Hedges | Interest rate contracts
Foreign Currency Fair Value Hedge Derivative [Line Items]
Realized gain/(loss) on derivative	0	0	(39)	(12)
Realized gain on hedged item	$ 0	$ 0	$ 45	$ 0

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Earnings and Comprehensive Income (Details) - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of unrealized gain/(loss) recognized in OCI	$ (204)	$ (39)	$ 267	$ (737)
Excluded components of fair value hedges	(1)	5	(2)	8
Amount of loss reclassified from AOCI to earnings	81	60	146	105
Estimated gain (loss) of AOCI related to cash flow hedges reclassified to earnings in the next 12 months			$ (90)
Maximum term of hedging exposures to variability of cash flows			30 months
Unrealized gain (loss) on derivatives			$ 448	(824)
Non-Qualifying Derivative Instruments
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives	133	732	448	(824)
Foreign exchange contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of loss reclassified from AOCI to earnings	2	1	3	2
Foreign exchange contracts | Non-Qualifying Derivative Instruments
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives	218	1,246	454	(757)
Foreign exchange contracts | Non-Qualifying Derivative Instruments | Transportation and other services
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives			292	(437)
Foreign exchange contracts | Non-Qualifying Derivative Instruments | Other income/(expense)
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives			162	(320)
Interest rate contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of loss reclassified from AOCI to earnings	79	59	142	103
Interest rate contracts | Non-Qualifying Derivative Instruments
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives	0	3	2	(15)
Commodity contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of loss reclassified from AOCI to earnings	(1)	0	0	0
Commodity contracts | Non-Qualifying Derivative Instruments
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives	(90)	(517)	(18)	(44)
Commodity contracts | Non-Qualifying Derivative Instruments | Transportation and other services
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives			(3)	17
Commodity contracts | Non-Qualifying Derivative Instruments | Commodity sales
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives			144	(403)
Commodity contracts | Non-Qualifying Derivative Instruments | Commodity costs
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives			(166)	348
Commodity contracts | Non-Qualifying Derivative Instruments | Operating and administrative expense
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives			7	(6)
Other contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of loss reclassified from AOCI to earnings	1	0	1	0
Other contracts | Non-Qualifying Derivative Instruments
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Unrealized gain (loss) on derivatives	5	0	10	(8)
Cash Flow Hedges | Foreign exchange contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of unrealized gain/(loss) recognized in OCI	(5)	(13)	(25)	6
Cash Flow Hedges | Interest rate contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of unrealized gain/(loss) recognized in OCI	(203)	(35)	294	(750)
Cash Flow Hedges | Commodity contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of unrealized gain/(loss) recognized in OCI	4	0	(4)	9
Cash Flow Hedges | Other contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of unrealized gain/(loss) recognized in OCI	1	1	4	(6)
Fair Value Hedges | Foreign exchange contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Excluded components of fair value hedges	(1)	5	(2)	8
Net Investment Hedges | Foreign exchange contracts
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income
Amount of unrealized gain/(loss) recognized in OCI	$ 0	$ 3	$ 0	$ (4)

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Liquidity and Credit Risk (Details) - CAD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
LIQUIDITY RISK AND CREDIT RISK
Rolling time period over which the Company forecasts cash requirements	12 months
Period of anticipated requirements for which the Company maintains sufficient liquidity through committed credit facilities	1 year
Letters of credit issued in lieu of cash collateral	$ 0
Derivative instruments
LIQUIDITY RISK AND CREDIT RISK
Maximum credit exposure with respect to derivative instruments	1,253,000,000	$ 872,000,000
Cash collateral on asset exposure	0	0
Derivative instruments | Canadian financial institutions
LIQUIDITY RISK AND CREDIT RISK
Maximum credit exposure with respect to derivative instruments	668,000,000	481,000,000
Derivative instruments | US financial institutions
LIQUIDITY RISK AND CREDIT RISK
Maximum credit exposure with respect to derivative instruments	230,000,000	99,000,000
Derivative instruments | European financial institutions
LIQUIDITY RISK AND CREDIT RISK
Maximum credit exposure with respect to derivative instruments	0	28,000,000
Derivative instruments | Asian financial institutions
LIQUIDITY RISK AND CREDIT RISK
Maximum credit exposure with respect to derivative instruments	245,000,000	167,000,000
Derivative instruments | Other
LIQUIDITY RISK AND CREDIT RISK
Maximum credit exposure with respect to derivative instruments	$ 110,000,000	$ 97,000,000

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Fair Value of Derivatives (Details) - CAD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Fair Value of Derivatives
Total net derivative asset/(liability)	$ (222)	$ (1,069)
Foreign exchange contracts
Fair Value of Derivatives
Total net derivative asset/(liability)	93	(299)
Interest rate contracts
Fair Value of Derivatives
Total net derivative asset/(liability)	(145)	(610)
Commodity contracts
Fair Value of Derivatives
Total net derivative asset/(liability)	(180)	(156)
Other contracts
Fair Value of Derivatives
Total net derivative asset/(liability)	10	(4)
Recurring basis
Fair Value of Derivatives
Current derivative assets	537	323
Long-term derivative assets	718	561
Current derivative liabilities	(798)	(894)
Long-term derivative liabilities	(679)	(1,059)
Total net derivative asset/(liability)	(222)	(1,069)
Recurring basis | Foreign exchange contracts
Fair Value of Derivatives
Current derivative assets	312	180
Long-term derivative assets	493	466
Current derivative liabilities	(277)	(185)
Long-term derivative liabilities	(435)	(760)
Total net derivative asset/(liability)	93	(299)
Recurring basis | Interest rate contracts
Fair Value of Derivatives
Long-term derivative assets	157	56
Current derivative liabilities	(156)	(425)
Long-term derivative liabilities	(146)	(241)
Total net derivative asset/(liability)	(145)	(610)
Recurring basis | Commodity contracts
Fair Value of Derivatives
Current derivative assets	219	143
Long-term derivative assets	64	39
Current derivative liabilities	(365)	(280)
Long-term derivative liabilities	(98)	(58)
Total net derivative asset/(liability)	(180)	(156)
Recurring basis | Other contracts
Fair Value of Derivatives
Current derivative assets	6
Long-term derivative assets	4
Current derivative liabilities		(4)
Total net derivative asset/(liability)	10	(4)
Level 1 | Recurring basis
Fair Value of Derivatives
Current derivative assets	105	43
Long-term derivative assets	24	1
Current derivative liabilities	(123)	(39)
Long-term derivative liabilities	(28)	(1)
Total net derivative asset/(liability)	(22)	4
Level 1 | Recurring basis | Foreign exchange contracts
Fair Value of Derivatives
Current derivative assets	0	0
Long-term derivative assets	0	0
Current derivative liabilities	0	0
Long-term derivative liabilities	0	0
Total net derivative asset/(liability)	0	0
Level 1 | Recurring basis | Interest rate contracts
Fair Value of Derivatives
Long-term derivative assets	0	0
Current derivative liabilities	0	0
Long-term derivative liabilities	0	0
Total net derivative asset/(liability)	0	0
Level 1 | Recurring basis | Commodity contracts
Fair Value of Derivatives
Current derivative assets	105	43
Long-term derivative assets	24	1
Current derivative liabilities	(123)	(39)
Long-term derivative liabilities	(28)	(1)
Total net derivative asset/(liability)	(22)	4
Level 1 | Recurring basis | Other contracts
Fair Value of Derivatives
Current derivative assets	0
Long-term derivative assets	0
Current derivative liabilities		0
Total net derivative asset/(liability)	0	0
Level 2 | Recurring basis
Fair Value of Derivatives
Current derivative assets	391	213
Long-term derivative assets	686	546
Current derivative liabilities	(502)	(632)
Long-term derivative liabilities	(597)	(1,009)
Total net derivative asset/(liability)	(22)	(882)
Level 2 | Recurring basis | Foreign exchange contracts
Fair Value of Derivatives
Current derivative assets	312	180
Long-term derivative assets	493	466
Current derivative liabilities	(277)	(185)
Long-term derivative liabilities	(435)	(760)
Total net derivative asset/(liability)	93	(299)
Level 2 | Recurring basis | Interest rate contracts
Fair Value of Derivatives
Long-term derivative assets	157	56
Current derivative liabilities	(156)	(425)
Long-term derivative liabilities	(146)	(241)
Total net derivative asset/(liability)	(145)	(610)
Level 2 | Recurring basis | Commodity contracts
Fair Value of Derivatives
Current derivative assets	73	33
Long-term derivative assets	32	24
Current derivative liabilities	(69)	(18)
Long-term derivative liabilities	(16)	(8)
Total net derivative asset/(liability)	20	31
Level 2 | Recurring basis | Other contracts
Fair Value of Derivatives
Current derivative assets	6
Long-term derivative assets	4
Current derivative liabilities		(4)
Total net derivative asset/(liability)	10	(4)
Level 3 | Recurring basis
Fair Value of Derivatives
Current derivative assets	41	67
Long-term derivative assets	8	14
Current derivative liabilities	(173)	(223)
Long-term derivative liabilities	(54)	(49)
Total net derivative asset/(liability)	(178)	(191)
Level 3 | Recurring basis | Foreign exchange contracts
Fair Value of Derivatives
Current derivative assets	0	0
Long-term derivative assets	0	0
Current derivative liabilities	0	0
Long-term derivative liabilities	0	0
Total net derivative asset/(liability)	0	0
Level 3 | Recurring basis | Interest rate contracts
Fair Value of Derivatives
Long-term derivative assets	0	0
Current derivative liabilities	0	0
Long-term derivative liabilities	0	0
Total net derivative asset/(liability)	0	0
Level 3 | Recurring basis | Commodity contracts
Fair Value of Derivatives
Current derivative assets	41	67
Long-term derivative assets	8	14
Current derivative liabilities	(173)	(223)
Long-term derivative liabilities	(54)	(49)
Total net derivative asset/(liability)	(178)	(191)
Level 3 | Recurring basis | Other contracts
Fair Value of Derivatives
Current derivative assets	0
Long-term derivative assets	0
Current derivative liabilities		0
Total net derivative asset/(liability)	$ 0	$ 0

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Level 3 Inputs (Details) $ in Millions	Jun. 30, 2021 CAD ($) $ / bbl $ / MWh $ / Gallon-gal $ / MillionsofBTU-MMBTU	Dec. 31, 2020 CAD ($)
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	$ (222)	$ (1,069)
Recurring basis
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	(222)	(1,069)
Level 3 | Recurring basis
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	$ (178)	$ (191)
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Natural gas | Minimum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MillionsofBTU-MMBTU	2.83
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Natural gas | Maximum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MillionsofBTU-MMBTU	5.90
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Natural gas | Weighted Average
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MillionsofBTU-MMBTU	3.87
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Crude | Minimum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / bbl	67.09
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Crude | Maximum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / bbl	90.65
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Crude | Weighted Average
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / bbl	75.20
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | NGL | Minimum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / Gallon-gal	0.99
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | NGL | Maximum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / Gallon-gal	1.39
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | NGL | Weighted Average
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / Gallon-gal	1.37
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Power | Minimum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MWh	18.20
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Power | Maximum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MWh	116.93
Market approach valuation technique | Level 3 | Commodity Contracts - Financial | Power | Weighted Average
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MWh	63.92
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | Natural gas | Minimum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MillionsofBTU-MMBTU	2.43
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | Natural gas | Maximum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MillionsofBTU-MMBTU	6.75
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | Natural gas | Weighted Average
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / MillionsofBTU-MMBTU	4.02
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | Crude | Minimum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / bbl	67.19
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | Crude | Maximum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / bbl	91.39
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | Crude | Weighted Average
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / bbl	85.53
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | NGL | Minimum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / Gallon-gal	0
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | NGL | Maximum
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / Gallon-gal	0
Market approach valuation technique | Level 3 | Commodity Contracts - Physical | NGL | Weighted Average
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Forward price ($ / mmbtu, barrel, gallon, MW/H) | $ / Gallon-gal	0
Market approach valuation technique | Level 3 | Recurring basis | Commodity Contracts - Financial | Natural gas
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	$ (9)
Market approach valuation technique | Level 3 | Recurring basis | Commodity Contracts - Financial | Crude
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	(17)
Market approach valuation technique | Level 3 | Recurring basis | Commodity Contracts - Financial | NGL
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	0
Market approach valuation technique | Level 3 | Recurring basis | Commodity Contracts - Financial | Power
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	(49)
Market approach valuation technique | Level 3 | Recurring basis | Commodity Contracts - Physical | Natural gas
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	(17)
Market approach valuation technique | Level 3 | Recurring basis | Commodity Contracts - Physical | Crude
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	(86)
Market approach valuation technique | Level 3 | Recurring basis | Commodity Contracts - Physical | NGL
Significant unobservable inputs used in the fair value measurement of Level 3 derivative instruments
Fair Value	$ 0

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Changes in Level 3 (Details) - CAD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Changes in net fair value of derivative assets and liabilities classified as Level 3
Level 3 net derivative liability at beginning of period	$ (191)	$ (69)
Total gain/(loss)
Included in earnings	(143)	(107)
Included in OCI	(12)	7
Settlements	168	41
Level 3 net derivative liability at end of period	$ (178)	$ (128)

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Other Financial Instruments (Details) - CAD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Fair Value of Other Financial Instruments
FMVA investments	$ 51	$ 51		$ 52
Long-term debt, carrying value	67,100	67,100		66,100
Long-term debt	$ 74,000	$ 74,000		75,100
Noverco
Fair Value of Other Financial Instruments
Ownership interest (percent)	38.90%	38.90%
Net Investment Hedges
Fair Value of Other Financial Instruments
Unrealized foreign exchange gain (loss) on translation of United States dollar denominated debt		$ 251	$ (371)
Unrealized gain (loss) on change in fair value of outstanding forward exchange forward contracts		0	$ (4)
Preferred share investment
Fair Value of Other Financial Instruments
Available-for-sale investment, fair value	$ 580	580
Held to maturity investment, fair value				567
Gains (losses) recognized in OCI upon reclassification	0
Fair Value
Fair Value of Other Financial Instruments
Restricted long-term investments held in trust	573	573		553
Carrying value
Fair Value of Other Financial Instruments
Noncurrent notes receivable	$ 1,000	$ 1,000		$ 1,100

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INCOME TAXES (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Effective income tax rate (as a percent)	15.10%	25.00%	17.60%	9.20%

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PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 48	$ 58	$ 96	$ 100
Interest cost	32	54	64	87
Expected return on plan assets	(84)	(113)	(168)	(180)
Amortization of actuarial loss and prior service costs	14	10	28	19
Net periodic benefit costs	10	9	20	26
Severance costs	$ 0	$ 236	$ 0	$ 236

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Label	Element	Value
Accounting Standards Update [Extensible Enumeration]	us-gaap_AccountingStandardsUpdateExtensibleList	Accounting Standards Update 2016-13 [Member]