XML 130 R101.htm IDEA: XBRL DOCUMENT
v3.3.1.900

RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - FAIR VALUE OF DERIVATIVES (Details) - CAD CAD in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Fair Value of Derivatives |  |
Total net financial asset/(liability) | CAD (4,748) | CAD (2,364)
Foreign Exchange Risk |  |
Fair Value of Derivatives |  |
Total net financial asset/(liability) | (3,782) | (1,433)
Interest rate contracts |  |
Fair Value of Derivatives |  |
Total net financial asset/(liability) | (1,173) | (1,001)
Commodity contracts |  |
Fair Value of Derivatives |  |
Total net financial asset/(liability) | 228 | 50
Other contracts |  |
Fair Value of Derivatives |  |
Total net financial asset/(liability) | (21) | 20
Total Gross Derivative Instruments |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 791 | 568
Long-term derivative assets, Total Gross Derivative Instruments | 373 | 199
Current derivative liabilities, Total Gross Derivative Instruments | (1,945) | (1,020)
Long-term derivative liabilities, Total Gross Derivative Instruments | (3,950) | (2,078)
Total net financial asset/(liability) | (4,731) | (2,331)
Total Gross Derivative Instruments | Foreign Exchange Risk |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 10 | 13
Long-term derivative assets, Total Gross Derivative Instruments | 128 | 51
Current derivative liabilities, Total Gross Derivative Instruments | (872) | (301)
Long-term derivative liabilities, Total Gross Derivative Instruments | (3,048) | (1,196)
Total net financial asset/(liability) | (3,782) | (1,433)
Total Gross Derivative Instruments | Interest rate contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 2 | 8
Long-term derivative assets, Total Gross Derivative Instruments | 18 | 5
Current derivative liabilities, Total Gross Derivative Instruments | (564) | (438)
Long-term derivative liabilities, Total Gross Derivative Instruments | (629) | (576)
Total net financial asset/(liability) | (1,173) | (1,001)
Total Gross Derivative Instruments | Commodity contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 779 | 535
Long-term derivative assets, Total Gross Derivative Instruments | 227 | 135
Current derivative liabilities, Total Gross Derivative Instruments | (501) | (281)
Long-term derivative liabilities, Total Gross Derivative Instruments | (260) | (306)
Total net financial asset/(liability) | 245 | 83
Total Gross Derivative Instruments | Other contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments |  | 12
Long-term derivative assets, Total Gross Derivative Instruments |  | 8
Current derivative liabilities, Total Gross Derivative Instruments | (8) |
Long-term derivative liabilities, Total Gross Derivative Instruments | (13) |
Total net financial asset/(liability) | (21) | 20
Level 1 |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 14 | 62
Current derivative liabilities, Total Gross Derivative Instruments | (3) | (28)
Total net financial asset/(liability) | 11 | 34
Level 1 | Commodity contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 14 | 62
Current derivative liabilities, Total Gross Derivative Instruments | (3) | (28)
Total net financial asset/(liability) | 11 | 34
Level 2 |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 222 | 173
Long-term derivative assets, Total Gross Derivative Instruments | 267 | 86
Current derivative liabilities, Total Gross Derivative Instruments | (1,574) | (876)
Long-term derivative liabilities, Total Gross Derivative Instruments | (3,711) | (1,897)
Total net financial asset/(liability) | (4,796) | (2,514)
Level 2 | Foreign Exchange Risk |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 10 | 13
Long-term derivative assets, Total Gross Derivative Instruments | 128 | 51
Current derivative liabilities, Total Gross Derivative Instruments | (872) | (301)
Long-term derivative liabilities, Total Gross Derivative Instruments | (3,048) | (1,196)
Total net financial asset/(liability) | (3,782) | (1,433)
Level 2 | Interest rate contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 2 | 8
Long-term derivative assets, Total Gross Derivative Instruments | 18 | 5
Current derivative liabilities, Total Gross Derivative Instruments | (564) | (438)
Long-term derivative liabilities, Total Gross Derivative Instruments | (629) | (576)
Total net financial asset/(liability) | (1,173) | (1,001)
Level 2 | Commodity contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 210 | 140
Long-term derivative assets, Total Gross Derivative Instruments | 121 | 22
Current derivative liabilities, Total Gross Derivative Instruments | (130) | (137)
Long-term derivative liabilities, Total Gross Derivative Instruments | (21) | (125)
Total net financial asset/(liability) | 180 | (100)
Level 2 | Other contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments |  | 12
Long-term derivative assets, Total Gross Derivative Instruments |  | 8
Current derivative liabilities, Total Gross Derivative Instruments | (8) |
Long-term derivative liabilities, Total Gross Derivative Instruments | (13) |
Total net financial asset/(liability) | (21) | 20
Level 3 |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 555 | 333
Long-term derivative assets, Total Gross Derivative Instruments | 106 | 113
Current derivative liabilities, Total Gross Derivative Instruments | (368) | (116)
Long-term derivative liabilities, Total Gross Derivative Instruments | (239) | (181)
Total net financial asset/(liability) | 54 | 149
Level 3 | Commodity contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 555 | 333
Long-term derivative assets, Total Gross Derivative Instruments | 106 | 113
Current derivative liabilities, Total Gross Derivative Instruments | (368) | (116)
Long-term derivative liabilities, Total Gross Derivative Instruments | (239) | (181)
Total net financial asset/(liability) | CAD 54 | CAD 149

X
- Definition Represents the fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and which is expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | enb_DerivativeFairValueOfDerivativeAssetGrossCurrent
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and which is expected to exist longer than one year or beyond the normal operating cycle, if longer. + References No definition available. + Details
Name: | enb_DerivativeFairValueOfDerivativeAssetGrossNoncurrent
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and which is expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | enb_DerivativeFairValueOfDerivativeLiabilityGrossCurrent
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and which is expected to be extinguished or otherwise disposed of after one year or beyond the normal operating cycle, if longer. + References No definition available. + Details
Name: | enb_DerivativeFairValueOfDerivativeLiabilityGrossNoncurrent
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
Name: | us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_OtherContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |