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Supplemental Financial Information (Narrative) (Details) $ in Millions	Jun. 16, 2016 USD ($)
U.S. Notes | Emera US Finance LP | Reportable Legal Entities
Condensed Income Statements, Captions [Line Items]
Proceeds from Issuance of Unsecured Debt	$ 3,250

X

- 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

The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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- Details

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