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ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 14, 2020 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Feb. 06, 2020 | Feb. 07, 2019
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  | $ 19,058 | $ 16,275 | $ 22,177 | $ 14,668 |  |
Other comprehensive income (loss) |  | 54 | 28 | (1,756) | 106 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  | 0 | 8 | 168 | 173 |  |
Balance as |  | 18,743 | 16,233 | 18,743 | 16,233 |  |
Non-controlling Interest - Exchange LP Units, equity [Member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  | 14 | 23 | 18 | 71 |  |
Other comprehensive income (loss) |  | 0 | 0 | (2) | 0 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  | (1) | (1) | (2) | (48) |  |
Balance as |  | 12 | 21 | 12 | 21 |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Accumulated other comprehensive income [member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 5 | 4 |  |
Other comprehensive income (loss) |  |  |  | (2) |  |  |
Balance as |  | 3 | 4 | 3 | 4 |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 3 | 2 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 3 | 2 | 3 | 2 |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 1 | 1 |  |
Other comprehensive income (loss) |  |  |  | (2) |  |  |
Balance as |  | (1) | 1 | (1) | 1 |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 | 0 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 0 | 0 | 0 | 0 |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (1) | (1) |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | (1) | (1) | (1) | (1) |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Available for sale |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 | 0 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 0 | 0 | 0 | 0 |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 | 0 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 0 | 0 | 0 | 0 |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 2 | 2 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 2 | 2 | 2 | 2 |  |
Non-controlling Interest - Redeemable Partnership Units [Member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  | 1,606 | 1,863 | 2,039 | 1,823 |  |
Other comprehensive income (loss) |  | 4 | (5) | (240) | (4) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | (183) |  |  |
Other items |  | 0 | 2 | 41 | 106 |  |
Balance as |  | 1,520 | 1,815 | 1,520 | 1,815 |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Accumulated other comprehensive income [member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  | (47) | 125 | 223 | 112 |  |
Other comprehensive income (loss) |  | 4 | (5) | (240) | (4) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 5 |  |  |
Other items |  | 0 | 0 | (31) | 12 |  |
Balance as |  | (43) | 120 | (43) | 120 |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 391 | 296 |  |
Other comprehensive income (loss) |  |  |  | (7) | 0 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | (18) | 0 |  |
Balance as |  | 366 | 296 | 366 | 296 |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (546) | (552) |  |
Other comprehensive income (loss) |  |  |  | (257) | 12 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 5 |  |  |
Other items |  |  |  | (13) | 9 |  |
Balance as |  | (811) | (531) | (811) | (531) |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 14 | 40 |  |
Other comprehensive income (loss) |  |  |  | 19 | (8) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 3 |  |
Balance as |  | 33 | 35 | 33 | 35 |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (37) | (43) |  |
Other comprehensive income (loss) |  |  |  | (18) | 6 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 0 |  |
Balance as |  | (55) | (37) | (55) | (37) |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Available for sale |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (2) | (16) |  |
Other comprehensive income (loss) |  |  |  | 12 | 8 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 0 |  |
Balance as |  | 10 | (8) | 10 | (8) |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (4) | (4) |  |
Other comprehensive income (loss) |  |  |  | (1) | (1) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 0 |  |
Balance as |  | (5) | (5) | (5) | (5) |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 407 | 391 |  |
Other comprehensive income (loss) |  |  |  | 12 | (21) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 0 |  |
Balance as |  | 419 | 370 | 419 | 370 |  |
Limited Partners 1 [Member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  | 4,008 | 4,633 | 5,048 | 4,513 |  |
Other comprehensive income (loss) |  | 11 | (13) | (574) | (10) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | (441) |  |  |
Other items |  | 19 | 7 | 118 | 304 |  |
Balance as |  | 3,823 | 4,521 | 3,823 | 4,521 |  |
Limited Partners 1 [Member] | Accumulated other comprehensive income [member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  | (168) | 238 | 473 | 209 |  |
Other comprehensive income (loss) |  | 11 | (13) | (574) | (10) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 18 |  |  |
Other items |  | 0 | 0 | (74) | 26 |  |
Balance as |  | (157) | 225 | (157) | 225 |  |
Limited Partners 1 [Member] | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 899 | 667 |  |
Other comprehensive income (loss) |  |  |  | (16) | 0 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | (43) | 0 |  |
Balance as |  | 840 | 667 | 840 | 667 |  |
Limited Partners 1 [Member] | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (1,324) | (1,336) |  |
Other comprehensive income (loss) |  |  |  | (620) | 30 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 18 |  |  |
Other items |  |  |  | (31) | 20 |  |
Balance as |  | (1,957) | (1,286) | (1,957) | (1,286) |  |
Limited Partners 1 [Member] | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 30 | 95 |  |
Other comprehensive income (loss) |  |  |  | 46 | (21) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 6 |  |
Balance as |  | 76 | 80 | 76 | 80 |  |
Limited Partners 1 [Member] | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (82) | (96) |  |
Other comprehensive income (loss) |  |  |  | (42) | 13 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 0 |  |
Balance as |  | (124) | (83) | (124) | (83) |  |
Limited Partners 1 [Member] | Available for sale |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 | (33) |  |
Other comprehensive income (loss) |  |  |  | 30 | 21 |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 0 |  |
Balance as |  | 30 | (12) | 30 | (12) |  |
Limited Partners 1 [Member] | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (18) | (18) |  |
Other comprehensive income (loss) |  |  |  | 0 | (2) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 0 |  |
Balance as |  | (18) | (20) | (18) | (20) |  |
Limited Partners 1 [Member] | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 968 | 930 |  |
Other comprehensive income (loss) |  |  |  | 28 | (51) |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Other items |  |  |  | 0 | 0 |  |
Balance as |  | 996 | 879 | 996 | 879 |  |
Non-controlling Interest - Class A Shares, equity [Member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  | 625 |  | 0 |  |  |
Other comprehensive income (loss) |  | 2 |  | 1 |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 626 |  |  |
Other items |  | (18) |  | (18) |  |  |
Balance as |  | 576 |  | 576 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Accumulated other comprehensive income [member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 1 |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | (23) |  |  |
Balance as |  | (22) |  | (22) |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Balance as |  | 0 |  | 0 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | (23) |  |  |
Balance as |  | (23) |  | (23) |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Balance as |  | 0 |  | 0 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 5 |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Balance as |  | 5 |  | 5 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Available for sale |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | 4 |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Balance as |  | 4 |  | 4 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | (1) |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Balance as |  | (1) |  | (1) |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  | (7) |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | 0 |  |  |
Balance as |  | (7) |  | (7) |  |  |
General Partner 1 [Member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  | 19 | 22 | 24 | 22 |  |
Other comprehensive income (loss) |  | 0 | 0 | (3) |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  | (2) |  |  |
Other items |  |  | 0 | 0 | 0 |  |
Balance as |  | 17 | 23 | 17 | 23 |  |
General Partner 1 [Member] | Accumulated other comprehensive income [member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 4 | 3 |  |
Other comprehensive income (loss) |  |  |  | (3) |  |  |
Balance as |  | 1 | 3 | 1 | 3 |  |
General Partner 1 [Member] | Revaluation Surplus |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 6 | 5 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 6 | 5 | 6 | 5 |  |
General Partner 1 [Member] | Foreign Currency Translation |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | (9) | (9) |  |
Other comprehensive income (loss) |  |  |  | (3) |  |  |
Balance as |  | (12) | (9) | (12) | (9) |  |
General Partner 1 [Member] | Net Investment Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 2 | 2 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 2 | 2 | 2 | 2 |  |
General Partner 1 [Member] | Cash Flow Hedges |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 | 0 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 0 | 0 | 0 | 0 |  |
General Partner 1 [Member] | Available for sale |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 | 0 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 0 | 0 | 0 | 0 |  |
General Partner 1 [Member] | Unrealized Actuarial Losses |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 0 | 0 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | 0 | 0 | 0 | 0 |  |
General Partner 1 [Member] | Equity accounted investments |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Balance as |  |  |  | 5 | 5 |  |
Other comprehensive income (loss) |  |  |  | 0 |  |  |
Balance as |  | $ 5 | $ 5 | 5 | 5 |  |
Chilean toll roads |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, before tax |  |  |  | 44 | $ 38 |  |
Disposal of ownership interest, percentage |  |  |  |  |  | 33.00% | 33.00%
Colombian Regulated Distribution Operation [Member] |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, before tax | $ 44 |  |  |  |  |  |
Disposal of ownership interest, percentage | 17.00% |  |  |  |  |  |
Increase (decrease) through transfer between revaluation surplus and retained earnings, equity |  |  |  | $ 61 |  |  |

X
- Definition Class A Shares of BIPC, Issuance, Value + References No definition available. + Details
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Namespace Prefix: | bip_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
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