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SUBSIDIARY PUBLIC ISSUERS (Tables) | 12 Months Ended
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Dec. 31, 2018
Subsidiary Public Issuer [Abstract] |
Condensed Financial Information | The following tables set forth consolidated summary financial information for our partnership, the Fincos and BIPIC:
For the year ended December 31, 2018 US$ MILLIONS |  | Our partnership(2) |  | The Fincos |  | BIPIC |  | Subsidiaries of our partnership other than the Fincos and BIPIC(3) |  | Consolidating adjustments(4) |  | Our partnership consolidated
Revenues |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 4,652 |  |  | $ | 4,652 |
Net income attributable to partnership(1) |  | 192 |  |  | — |  |  | — |  |  | 410 |  |  | (192 | ) |  | 410 |
For the year ended December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3,535 |  |  | $ | 3,535 |
Net income attributable to partnership(1) |  | 11 |  |  | — |  |  | — |  |  | 125 |  |  | (11 | ) |  | 125 |
For the year ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,115 |  |  | $ | 2,115 |
Net income attributable to partnership(1) |  | 285 |  |  | — |  |  | — |  |  | 487 |  |  | (285 | ) |  | 487 |
As at December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Current assets |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,276 |  |  | $ | 2,276 |
Non-current assets |  | 5,449 |  |  | — |  |  | 568 |  |  | 8,281 |  |  | 20,006 |  |  | 34,304 |
Current liabilities |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,417 |  |  | 2,417 |
Non-current liabilities |  | — |  |  | 1,483 |  |  | — |  |  | — |  |  | 18,012 |  |  | 19,495 |
Non-controlling interests—Redeemable Partnership Units held by Brookfield |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,823 |  |  | 1,823 |
Non-controlling interests—Exchange LP Units |  | — |  |  | — |  |  | — |  |  | — |  |  | 71 |  |  | 71 |
Non-controlling interests—in operating subsidiaries |  | — |  |  | — |  |  | — |  |  | — |  |  | 7,303 |  |  | 7,303 |
Preferred unitholders |  | — |  |  | — |  |  | — |  |  | — |  |  | 936 |  |  | 936 |
As at December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Current assets |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,512 |  |  | $ | 1,512 |
Non-current assets |  | 5,514 |  |  | — |  |  | — |  |  | 5,987 |  |  | 16,464 |  |  | 27,965 |
Current liabilities |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,564 |  |  | 1,564 |
Non-current liabilities |  | — |  |  | 1,313 |  |  | — |  |  | — |  |  | 13,126 |  |  | 14,439 |
Non-controlling interests—Redeemable Partnership Units held by Brookfield |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,012 |  |  | 2,012 |
Non-controlling interests—in operating subsidiaries |  | — |  |  | — |  |  | — |  |  | — |  |  | 5,875 |  |  | 5,875 |
Preferred unitholders |  | — |  |  | — |  |  | — |  |  | — |  |  | 595 |  |  | 595 |
(1) | Includes net income attributable to non-controlling interest—Exchange LP Units and non-controlling interest—Redeemable Partnership Units held by Brookfield, general partner and limited partners.
(2) | Includes investments in all subsidiaries of our partnership under the equity method.
(3) | Includes investments in all subsidiaries of the Holding LP, Brookfield Infrastructure Holdings (Canada) Inc., Brookfield Infrastructure US Holdings I Corporation and BIP Bermuda Holdings I Limited under the equity method.
(4) | Includes elimination of intercompany transactions and balances necessary to present our partnership on a consolidated basis.

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- Definition Condensed Financial Information [Table Text Block] + References No definition available. + Details
Name: | bip_CondensedFinancialInformationTableTextBlock
Namespace Prefix: | bip_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Definition Subsidiary Public Issuer [Abstract] + References No definition available. + Details
Name: | bip_SubsidiaryPublicIssuerAbstract
Namespace Prefix: | bip_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration