Derivative Nonmonetary Notional Amount Outstanding

No definition available.

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- Definition

Derivative Nonmonetary Notional Amount Outstanding Maturing In Year After Five

+ References

No definition available.

+ Details

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Period Type:	instant

- 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
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Period Type:	instant

- 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

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Period Type:	instant

- Definition

Derivative Nonmonetary Notional Amount Outstanding Maturing In Year Three

+ References

No definition available.

+ Details

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Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	instant

- 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

- Definition

Derivative Nonmonetary Notional Amount Outstanding Maturing in Remainder of Year

+ References

No definition available.

+ Details

Name:	enb_DerivativeNonmonetaryNotionalAmountOutstandingMaturinginRemainderofYear
Namespace Prefix:	enb_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

Derivative Nonmonetary Rate Notional Amount Outstanding

+ References

No definition available.

+ Details

Name:	enb_DerivativeNonmonetaryRateNotionalAmountOutstanding
Namespace Prefix:	enb_
Data Type:	num:energyItemType
Balance Type:	na
Period Type:	instant

- 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

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Namespace Prefix:	enb_
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Balance Type:	na
Period Type:	instant

- 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

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Namespace Prefix:	enb_
Data Type:	num:energyItemType
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Period Type:	instant

- 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

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Namespace Prefix:	enb_
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Period Type:	instant

- 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

- 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

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Namespace Prefix:	enb_
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Period Type:	instant

- Definition

Derivative Nonmonetary Rate Notional Amount Outstanding Maturing in Remainder of Year

+ References

No definition available.

+ Details

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Namespace Prefix:	enb_
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Balance Type:	na
Period Type:	instant

- Definition

Derivative Notional Amount Outstanding

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

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Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- 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

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Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

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Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

- 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

- Definition

Derivative Notional Amount Outstanding Maturing in Remainder of Year

+ References

No definition available.

+ Details

Name:	enb_DerivativeNotionalAmountOutstandingMaturinginRemainderofYear
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Notional Principal or Quantity Information (Details) - Mar. 31, 2021 € in Millions, ¥ in Millions, £ in Millions, $ in Millions, $ in Millions	USD ($) MWh MMBbls Bcf	GBP (£) MWh MMBbls Bcf	EUR (€) MWh MMBbls Bcf	JPY (¥) MWh MMBbls Bcf	CAD ($) MWh MMBbls Bcf
Foreign exchange contracts - forwards - purchase \| United States dollar
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020	$ 1,237
2021	1,750
2022	0
2023	0
2024	0
Thereafter	0
Derivative Notional Amount Outstanding	2,987
Foreign exchange contracts - forwards - purchase \| Japanese yen
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020 \| ¥				¥ 0
2021 \| ¥				72,500
2022 \| ¥				0
2023 \| ¥				0
2024 \| ¥				0
Thereafter \| ¥				0
Derivative Notional Amount Outstanding \| ¥				¥ 72,500
Foreign exchange contracts - forwards - sell \| United States dollar
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020	4,331
2021	5,853
2022	3,784
2023	1,856
2024	648
Thereafter	0
Derivative Notional Amount Outstanding	$ 16,472
Foreign exchange contracts - forwards - sell \| GBP
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020 \| £		£ 75
2021 \| £		28
2022 \| £		29
2023 \| £		30
2024 \| £		30
Thereafter \| £		60
Derivative Notional Amount Outstanding \| £		£ 252
Foreign exchange contracts - forwards - sell \| Euro
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020 \| €			€ 85
2021 \| €			94
2022 \| €			92
2023 \| €			91
2024 \| €			86
Thereafter \| €			428
Derivative Notional Amount Outstanding \| €			€ 876
Interest rate contracts - short-term borrowings
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020					$ 2,960
2021					394
2022					47
2023					35
2024					30
Thereafter					90
Derivative Notional Amount Outstanding					3,556
Interest rate contracts - long-term debt pay fixed rate
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020					2,060
2021					1,980
2022					1,328
2023					0
2024					0
Thereafter					0
Derivative Notional Amount Outstanding					5,368
Equity contracts
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2020					39
2021					7
2022					11
2023					0
2024					0
Thereafter					0
Derivative Notional Amount Outstanding					$ 57
Commodity contracts \| Natural gas
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2021 (bcf/mmbbls) \| Bcf	133	133	133	133	133
2022 (bcf/mmbbls) \| Bcf	38	38	38	38	38
2023 (bcf/mmbbls) \| Bcf	14	14	14	14	14
2024 (bcf/mmbbls) \| Bcf	4	4	4	4	4
2025 (bcf/mmbbls) \| Bcf	11	11	11	11	11
Thereafter (bcf/mmbbls) \| Bcf	0	0	0	0	0
Derivative Nonmonetary Notional Amount Outstanding \| Bcf	200	200	200	200	200
Commodity contracts \| Crude oil
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2021 (bcf/mmbbls) \| MMBbls	8	8	8	8	8
2022 (bcf/mmbbls) \| MMBbls	0	0	0	0	0
2023 (bcf/mmbbls) \| MMBbls	0	0	0	0	0
2024 (bcf/mmbbls) \| MMBbls	0	0	0	0	0
2025 (bcf/mmbbls) \| MMBbls	0	0	0	0	0
Thereafter (bcf/mmbbls) \| MMBbls	0	0	0	0	0
Derivative Nonmonetary Notional Amount Outstanding \| MMBbls	8	8	8	8	8
Net purchase \| Commodity contracts \| Power
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2021 (MWH) \| MWh	(14)	(14)	(14)	(14)	(14)
Net sell \| Commodity contracts \| Power
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
2022 (MWH) \| MWh	(43)	(43)	(43)	(43)	(43)
2023 (MWH) \| MWh	(43)	(43)	(43)	(43)	(43)
2024 (MWH) \| MWh	(43)	(43)	(43)	(43)	(43)
2025 (MWH) \| MWh	(43)	(43)	(43)	(43)	(43)
Thereafter (MWH) \| MWh	0	0	0	0	0
Total (MWH) \| MWh	(39)	(39)	(39)	(39)	(39)