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v3.21.1

Long Term Debt (Revolving credit facilities, outstanding borrowings and available capacity) (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |
Available capacity under existing agreements | $ 2,677 | $ 2,463
Letters of credit issued inside credit facilities | 4 | 3
Use of available facilities | 1,628 | 1,528
Available capacity under existing agreements | 1,049 | 935
Advances on the revolving credit facility | 1,624 | 1,525
NSPI |  |
Debt Instrument [Line Items] |  |
Letters of credit issued inside credit facilities | 63 | 52
Revolving credit facility |  |
Debt Instrument [Line Items] |  |
Available capacity under existing agreements | 1,528 | 1,629
Borrowings under credit facilities | 569 | 771
Letters of credit issued inside credit facilities | 31 | 65
Use of available facilities | 600 | 836
Available capacity under existing agreements | 928 | 793
Advances on the revolving credit facility | 50 |
Revolving credit facility | Emera |  |
Debt Instrument [Line Items] |  |
Available capacity under existing agreements | $ 900 | 900
Maturity | Jun. 30, 2024 |
Revolving credit facility | NSPI |  |
Debt Instrument [Line Items] |  |
Available capacity under existing agreements | $ 600 | 600
Maturity | Oct. 31, 2024 |
Revolving credit facility | Emera Maine |  |
Debt Instrument [Line Items] |  |
Available capacity under existing agreements | $ 0 | 104
Revolving credit facility | ECI |  |
Debt Instrument [Line Items] |  |
Available capacity under existing agreements | $ 28 | $ 25
Revolving credit facility | Minimum | ECI |  |
Debt Instrument [Line Items] |  |
Maturity | Dec. 31, 2021 |
Revolving credit facility | Maximum | ECI |  |
Debt Instrument [Line Items] |  |
Maturity | Dec. 31, 2023 |

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- Definition Advances against the line of credit facility which can be made by way of overdraft. + References No definition available. + Details
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- Definition Amount of borrowed funds under the facility. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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