XML 101 R81.htm IDEA: XBRL DOCUMENT
v3.22.0.1

REGULATORY MATTERS - Enbridge Gas Distribution Inc. (Narrative) (Details) - Enbridge Gas Distribution | 12 Months Ended
--- | ---
Dec. 31, 2021
Public Utilities, General Disclosures [Line Items] |
Term of incentive regulation framework | 5 years
Inflation stretch factor (percent) | 0.30%
Earnings allowed to be retained under earnings sharing mechanism (as a percent) | 1.50%

X
- Definition Public Utilities, Earnings Sharing Mechanism, Share Of Earnings, Percentage + References No definition available. + Details
Name: | enb_PublicUtilitiesEarningsSharingMechanismShareOfEarningsPercentage
Namespace Prefix: | enb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Public Utilities, Incentive Regulation, Inflation Stretch Factor + References No definition available. + Details
Name: | enb_PublicUtilitiesIncentiveRegulationInflationStretchFactor
Namespace Prefix: | enb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Public Utilities, Incentive Regulation Term + References No definition available. + Details
Name: | enb_PublicUtilitiesIncentiveRegulationTerm
Namespace Prefix: | enb_
Data Type: | xbrli:durationItemType
Balance Type: | na
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_PublicUtilitiesGeneralDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | enb_RegulatedBusinessOperationsAxis=enb_EnbridgeGasDistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |