No definition available.

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- Definition

The net percentage of all regulatory assets less all regulatory liabilities as of the end of the period.

+ References

No definition available.

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- Definition

Number of Transmission and Distribution Poles.

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No definition available.

+ Details

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- Definition

Recoveable transmission investments and expenses that have been recovered expressed as a percent of total costs.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's requested rate increase (decrease) with regulatory agency for retail customers.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's requested rate increase (decrease) with regulatory agency for wholesale customers.

+ References

No definition available.

+ Details

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- Definition

Costs incurred during the period to repair the damages caused by weather or storm.

+ References

No definition available.

+ Details

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- Definition

The net amount of all regulatory assets less all regulatory liabilities as of the end of the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382

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- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's approved equity to capital, including debt and equity.

+ References

No definition available.

+ Details

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- Definition

Amount of public utility's approved rate increase (decrease) by regulatory agency.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's approved rate increase (decrease) by regulatory agency.

+ References

No definition available.

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- Definition

Percentage of public utility's approved return on equity.

+ 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.

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- Definition

Useful life of other equipment owned by public utility, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

+ References

+ Details

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Regulatory Assets and Liabilities (Emera Maine ) (Details) CAD in Millions, $ in Millions						1 Months Ended	6 Months Ended	12 Months Ended		15 Months Ended
	Dec. 21, 2016 CAD	Jun. 01, 2016	Jan. 02, 2015	Jun. 19, 2014	Sep. 30, 2011	Oct. 31, 2016 USD ($) Transmissions_Distribution_Poles	Jun. 30, 2016	Dec. 31, 2016 CAD km	Dec. 31, 2015 CAD	Mar. 31, 2014	Dec. 31, 2012
Public Utilities, General Disclosures [Line Items]
Regulatory Assets								CAD 1,322.0	CAD 699.0
Emera Maine [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Approved Return on Equity, Percentage				10.57%	11.14%		10.57%			10.57%	11.74%
Emera Maine [Member] \| Restructuring Of Above-market Power Purchase Contract And Deferrals [Member]
Public Utilities, General Disclosures [Line Items]
Net Regulatory Assets								CAD 11.4
Net Regulatory Assets, Percentage								1.00%
Emera Maine [Member] \| Maine Public Utilities Commission (MPUC) [Member] \| Electric Distribution [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Approved Return on Equity, Percentage	9.00%
Public Utilities, Approved Equity Capital Structure, Percentage	49.00%
Public Utilities, Approved Rate Increase (Decrease), Percentage	3.75%
Emera Maine [Member] \| Maine Public Utilities Commission (MPUC) [Member] \| Storm Costs [Member] \| Electric Distribution [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Amount	CAD 4.0
Bangor Hydro District [Member] \| Electric Transmission [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Approved Rate Increase (Decrease), Percentage		2.00%							21.00%
Public Utilities, Recoverable Transmission Investment and Expenses, Percentage		9.00%							(6.00%)
Bangor Hydro District [Member] \| Restructuring Of Above-market Power Purchase Contract And Deferrals [Member] \| Electric Transmission [Member]
Public Utilities, General Disclosures [Line Items]
Net Regulatory Assets									CAD 19.7
Net Regulatory Assets, Percentage									1.80%
Maine Public Service District [Member] \| Electric Transmission [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Approved Return on Equity, Percentage			6.75%
Public Utilities, Approved Equity Capital Structure, Percentage			48.00%
Public Utilities, Approved Rate Increase (Decrease), Percentage		10.20%
Public Utilities, Requested Rate Increase (Decrease), Retail Customers, Percentage		36.00%							(22.00%)
Public Utilities, Requested Rate Increase (Decrease), Wholesale Customers, Percentage		43.00%							(1.00%)
Barbados Light & Power Company Limited [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Approved Return on Equity, Percentage								10.00%	10.00%
Dominica Electricity Services Ltd. [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Approved Return on Equity, Percentage								15.00%	15.00%
Grand Bahama Power Company Limited [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Approved Return on Equity, Percentage								8.80%	10.00%
Regulatory Assets \| $						$ 21
Property plant and equipment \| $						$ 7
Regulatory Asset Amortization Period						5 years
Property plant and equipment useful life						27 years
Grand Bahama Power Company Limited [Member] \| Storm Costs [Member]
Public Utilities, General Disclosures [Line Items]
Number of Transmission and Distribution Poles \| Transmissions_Distribution_Poles						2,100
Public Utilities Restoration Cost \| $						$ 28
Brunswick Pipeline [Member]
Public Utilities, General Disclosures [Line Items]
Length Of Pipeline \| km								145