XML 53 R44.htm IDEA: XBRL DOCUMENT
v3.5.0.2

RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - NOTIONAL PRINCIPAL OR QUANTITY INFORMATION (Details) MMcf in Thousands, ¥ in Millions, £ in Millions, CAD in Millions, $ in Millions | Jun. 30, 2016 JPY (¥) MWh MMBbls MMcf | Jun. 30, 2016 USD ($) MWh MMBbls MMcf | Jun. 30, 2016 GBP (£) MWh MMBbls MMcf | Jun. 30, 2016 CAD MWh MMBbls MMcf | Dec. 31, 2015 USD ($) MWh MMBbls MMcf | Dec. 31, 2015 GBP (£) MWh MMBbls MMcf | Dec. 31, 2015 CAD MWh MMBbls MMcf
--- | --- | --- | --- | --- | --- | --- | ---
Foreign exchange contracts - United States, GBP dollar of Japanese yen forwards - purchase |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 |  | $ 473 | £ 26 |  | $ 172 | £ 70 |
2017 |  | 413 | 77 |  | 413 | 77 |
2018 |  | 2 | 6 |  | 2 | 6 |
2019 | ¥ 32,662 | 2 |  |  | 2 |  |
2020 | $ |  | 2 |  |  | 2 |  |
Foreign exchange contracts - United States dollar or GBP forwards - sell |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 | $ |  | 2,134 |  |  | 3,059 |  |
2017 | $ |  | 3,395 |  |  | 3,213 |  |
2018 | $ |  | 2,756 |  |  | 3,133 |  |
2019 |  | 2,943 | 89 |  | 2,630 | 89 |
2020 |  | 2,722 | 25 |  | 2,303 | 25 |
Thereafter |  | $ 787 | £ 144 |  | $ 787 | £ 144 |
Interest rate contracts - short-term borrowings |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 |  |  |  | CAD 4,207 |  |  | CAD 8,382
2017 |  |  |  | 7,343 |  |  | 7,604
2018 |  |  |  | 4,352 |  |  | 4,536
2019 |  |  |  | 1,497 |  |  | 1,574
2020 |  |  |  | 149 |  |  | 156
Thereafter |  |  |  | 394 |  |  | 406
Interest rate contracts - long-term debt |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 |  |  |  | 4,183 |  |  | 4,291
2017 |  |  |  | 3,282 |  |  | 3,371
2018 |  |  |  | 1,906 |  |  | 1,960
2019 |  |  |  | 763 |  |  | 773
Equity contracts |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 |  |  |  | 49 |  |  | 51
2017 |  |  |  | 48 |  |  | CAD 48
2018 |  |  |  | CAD 40 |  |  |
Commodity contracts | Natural gas |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 | MMcf | (76) | (76) | (76) | (76) | (126) | (126) | (126)
2017 | MMcf | (87) | (87) | (87) | (87) | (209) | (209) | (209)
2018 | MMcf | (33) | (33) | (33) | (33) | (17) | (17) | (17)
2019 | MMcf | (7) | (7) | (7) | (7) | 2 | 2 | 2
2020 | MMcf | (6) | (6) | (6) | (6) | 1 | 1 | 1
Thereafter | MMcf | (6) | (6) | (6) | (6) |  |  |
Commodity contracts | Crude oil |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 | MMBbls | (1) | (1) | (1) | (1) | (6) | (6) | (6)
2017 | MMBbls | (19) | (19) | (19) | (19) | (17) | (17) | (17)
2018 | MMBbls | (9) | (9) | (9) | (9) | (9) | (9) | (9)
Commodity contracts | NGL |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 | MMBbls | (5) | (5) | (5) | (5) | (5) | (5) | (5)
2017 | MMBbls |  |  |  |  | 1 | 1 | 1
Commodity contracts | Power |  |  |  |  |  |  |
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS |  |  |  |  |  |  |
2016 | MWh | 42 | 42 | 42 | 42 | 40 | 40 | 40
2017 | MWh | 40 | 40 | 40 | 40 | 40 | 40 | 40
2018 | MWh | 30 | 30 | 30 | 30 | 30 | 30 | 30
2019 | MWh | 31 | 31 | 31 | 31 | 31 | 31 | 31
2020 | MWh | 35 | 35 | 35 | 35 | 35 | 35 | 35
Thereafter | MWh | (35) | (35) | (35) | (35) | (35) | (35) | (35)

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units, maturing after the fifth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryNotionalAmountOutstandingMaturingInAfterYearFive
Namespace Prefix: | enb_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units, maturing in the next fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryNotionalAmountOutstandingMaturingInNextTwelveMonths
Namespace Prefix: | enb_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units, maturing in the fifth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFive
Namespace Prefix: | enb_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units, maturing in the fourth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFour
Namespace Prefix: | enb_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units, maturing in the third fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearThree
Namespace Prefix: | enb_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units, maturing in the second fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearTwo
Namespace Prefix: | enb_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in a nonmonetary rate, maturing after the fifth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInAfterYearFive
Namespace Prefix: | enb_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in a nonmonetary rate, maturing in the next fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInNextTwelveMonths
Namespace Prefix: | enb_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in a nonmonetary rate, maturing in the fifth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFive
Namespace Prefix: | enb_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in a nonmonetary rate, maturing in the fourth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFour
Namespace Prefix: | enb_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in a nonmonetary rate, maturing in the third fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearThree
Namespace Prefix: | enb_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in a nonmonetary rate, maturing in the second fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearTwo
Namespace Prefix: | enb_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount outstanding, specified by the derivative(s), maturing after the fifth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNotionalAmountOutstandingMaturingInAfterYearFive
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate notional amount outstanding, specified by the derivative(s), maturing in the next fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate notional amount outstanding, specified by the derivative(s), maturing in the fifth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNotionalAmountOutstandingMaturingInYearFive
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate notional amount outstanding, specified by the derivative(s), maturing in the fourth fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNotionalAmountOutstandingMaturingInYearFour
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate notional amount outstanding, specified by the derivative(s), maturing in the third fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNotionalAmountOutstandingMaturingInYearThree
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate notional amount outstanding, specified by the derivative(s), maturing in the second fiscal year following the balance sheet date. + References No definition available. + Details
Name: | enb_DerivativeNotionalAmountOutstandingMaturingInYearTwo
Namespace Prefix: | enb_
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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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

X
- Details
Name: | us-gaap_ProductOrServiceAxis=us-gaap_CrudeOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=us-gaap_NaturalGasLiquidsReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=enb_PowerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |