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INTANGIBLE ASSETS INTANGIBLE ASSETS - Additional Information (Details) - Australian regulated terminal | 6 Months Ended
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Jun. 30, 2020
Disclosure of detailed information about intangible assets [line items] |
Percent Of Take Or Pay Contracts | 100.00%
Period Of Additional Extension Take Or Pay Contracts | 49

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- Definition Percent Of Take Or Pay Contracts + References No definition available. + Details
Name: | bip_PercentOfTakeOrPayContracts
Namespace Prefix: | bip_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Period Of Additional Extension Take Or Pay Contracts + References No definition available. + Details
Name: | bip_PeriodOfAdditionalExtensionTakeOrPayContracts
Namespace Prefix: | bip_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfIntangibleAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis=bip_AustralianRegulatedTerminalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |