XML 102 R73.htm IDEA: XBRL DOCUMENT
v3.3.1.900

ACQUISITIONS AND DISPOSITIONS - DISPOSITIONS (Details) CAD in Millions, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2015 USD ($) | Aug. 31, 2015 CAD | May. 31, 2015 CAD | Nov. 30, 2014 USD ($) | Nov. 30, 2014 CAD | Jul. 31, 2014 USD ($) | Jul. 31, 2014 CAD | Mar. 31, 2014 CAD | Nov. 30, 2013 USD ($) | Nov. 30, 2013 CAD | Dec. 31, 2015 CAD | Dec. 31, 2014 CAD | Dec. 31, 2013 CAD
Acquisitions and Dispositions |  |  |  |  |  |  |  |  |  |  |  |  |
Gain resulted from the cash proceeds and disposition of net liabilities held for sale |  |  |  |  |  |  |  |  |  |  |  | CAD 46 | CAD 4
Gains on dispositions (Note 6) |  |  |  |  |  |  |  |  |  |  | CAD 94 | CAD 38 | CAD 18
Frontier Pipeline Company | Disposed of by Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions and Dispositions |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent sold | 77.80% | 77.80% |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets | $ 85 | CAD 112 |  |  |  |  |  |  |  |  |  |  |
Gains on dispositions (Note 6) | $ 53 | CAD 70 |  |  |  |  |  |  |  |  |  |  |
Certain Crude Oil Pipeline System | Disposed of by Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions and Dispositions |  |  |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets |  |  | CAD 26 |  |  |  |  |  |  |  |  |  |
Gains on dispositions (Note 6) |  |  | CAD 22 |  |  |  |  |  |  |  |  |  |
Enbridge Offshore Pipelines | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions and Dispositions |  |  |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets |  |  |  | $ 7 | CAD 7 |  |  |  |  |  |  |  |
Gain resulted from the cash proceeds and disposition of net liabilities held for sale |  |  |  | $ 19 | CAD 22 |  |  |  |  |  |  |  |
Southern Access Extension Project | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions and Dispositions |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent sold |  |  |  |  |  | 35.00% | 35.00% |  |  |  |  |  |
Cash proceeds from sale of assets |  |  |  |  |  | $ 68 | CAD 73 |  |  |  |  |  |
Gain resulted from the cash proceeds and disposition of net liabilities held for sale |  |  |  |  |  |  | CAD 0 |  |  |  |  |  |
Alternative And Emerging Technologies Member | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions and Dispositions |  |  |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets |  |  |  |  |  |  |  | CAD 19 |  |  |  |  |
Gain resulted from the cash proceeds and disposition of net liabilities held for sale |  |  |  |  |  |  |  | CAD 16 |  |  |  |  |
Storage facility in Kansas | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions and Dispositions |  |  |  |  |  |  |  |  |  |  |  |  |
Gains on dispositions (Note 6) |  |  |  |  |  |  |  |  | $ 17 | CAD 18 |  |  |
Proceeds from disposition (Note 7) |  |  |  |  |  |  |  |  | $ 40 | CAD 41 |  |  |

X
- Definition The percentage of ownership of a consolidated investment that was sold. + References No definition available. + Details
Name: | enb_ConsolidatedInvestmentOwnershipPercentageSold
Namespace Prefix: | enb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the amount of cash proceeds from sale of disposal group, including those classified as components of the entity discontinued operations. + References No definition available. + Details
Name: | enb_DisposalGroupIncludingDiscontinuedOperationCashConsiderationReceived
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting that was sold. + References No definition available. + Details
Name: | enb_EquityMethodInvestmentOwnershipPercentageSold
Namespace Prefix: | enb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2443-110228 + Details
Name: | us-gaap_GainLossOnDispositionOfAssets1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721675-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.14) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51716988&loc=d3e1012-107759 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=51716988&loc=SL51721525-107759 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=51716988&loc=SL51721523-107759 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=51716988&loc=d3e957-107759 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 5 + Details
Name: | us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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. + Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle. + References No definition available. + Details
Name: | us-gaap_ProceedsFromSaleOfLongtermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=enb_FrontierPipelineCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=enb_CertainCrudeOilPipelineSystemMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=enb_EnbridgeOffshorePipelinesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=enb_SouthernAccessExtensionProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=enb_AlternativeAndEmergingTechnologiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=enb_StorageFacilityInKansasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |