Amortization Of Fair Value Adjustment

No definition available.

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- Definition

Debt Instrument, Number of Instruments Repaid

+ References

No definition available.

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- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Terminated

+ References

No definition available.

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- Definition

Line of Credit Facility, Maturity Date, Term Out Provision

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No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Gross amount of debt extinguished.

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No definition available.

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- Definition

Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of long-term debt and lease obligation, classified as noncurrent.

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DEBT - Narrative (Details)			1 Months Ended	3 Months Ended			12 Months Ended
DEBT - Narrative (Details)	Feb. 25, 2021 USD ($) debt_instrument	Feb. 10, 2021 CAD ($)	Feb. 28, 2021 USD ($)	Mar. 31, 2021 CAD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 CAD ($)	Dec. 31, 2020 CAD ($)	Mar. 31, 2021 USD ($)
Line of Credit Facility [Line Items]
Principal Amount				$ 600,000,000	$ 250,000,000
Commitment fee percentage				0.20%	0.20%
Long-term debt				$ 62,688,000,000			$ 62,819,000,000
Principal amount of debt								$ 500,000,000
Long-term debt, fair value adjustment				726,000,000			750,000,000
Amortization of fair value adjustment				12,000,000		$ 15,000,000
Term Loan
Line of Credit Facility [Line Items]
Number of term loans repaid \| debt_instrument	2
Principal Amount	$ 500,000,000
Commercial paper and credit facility draws
Line of Credit Facility [Line Items]
Long-term debt				10,600,000,000			9,900,000,000
Fixed-to-floating subordinated term notes \| Subordinated term notes
Line of Credit Facility [Line Items]
Subordinated debt				7,700,000,000			7,700,000,000
Fixed-to-fixed subordinated term notes \| Subordinated term notes
Line of Credit Facility [Line Items]
Subordinated debt				7,800,000,000			7,800,000,000
Floating rate notes due February 2023 \| Enbridge Inc.
Line of Credit Facility [Line Items]
Term of debt instrument			2 years
Principal amount of debt			$ 500,000,000
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				21,072,000,000
Unutilized amount of facility				$ 7,879,000,000
Committed credit facilities \| Enbridge Inc.
Line of Credit Facility [Line Items]
Term out provision				1 year	1 year
Amount of credit facility				$ 9,159,000,000
Unutilized amount of facility				$ 1,769,000,000
Committed credit facilities \| Enbridge Pipelines Inc.
Line of Credit Facility [Line Items]
Term out provision				1 year	1 year
Amount of credit facility				$ 3,000,000,000
Unutilized amount of facility				$ 1,642,000,000
Committed credit facilities \| Enbridge Gas Inc.
Line of Credit Facility [Line Items]
Term out provision				1 year	1 year
Amount of credit facility				$ 2,000,000,000
Unutilized amount of facility				$ 906,000,000
Committed credit facilities \| Enbridge (U.S.) Inc.
Line of Credit Facility [Line Items]
Term out provision				1 year	1 year
Amount of credit facility				$ 6,913,000,000
Unutilized amount of facility				3,562,000,000
Revolving credit facility \| Sustainability-linked Credit Facility
Line of Credit Facility [Line Items]
Term of debt instrument		3 years
Amount of credit facility		$ 1,000,000,000.0
Revolving credit facility \| Syndicated Credit Facility
Line of Credit Facility [Line Items]
Term of debt instrument		1 year
Credit facility terminated		$ 3,000,000,000.0
Uncommitted demand credit facilities
Line of Credit Facility [Line Items]
Amount of credit facility				845,000,000			849,000,000
Unutilized amount of facility				$ 595,000,000			$ 533,000,000