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ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) shares in Millions, $ in Millions |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 07, 2021 | May 12, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Mar. 31, 2020 | Feb. 06, 2020 | Jan. 14, 2020
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  | $ 21,952 | $ 19,058 | $ 21,673 | $ 22,177 | $ 22,177 |  |  |
Other comprehensive income (loss) |  |  | 315 | 54 | 231 | (1,756) |  |  |  |
Other items |  |  | 90 | 0 | 90 | 168 |  |  |  |
Balance as |  |  | 21,451 | 18,743 | 21,451 | 18,743 | 21,673 |  |  |
Deferred tax expense (income) relating to tax rate changes or imposition of new taxes |  |  |  |  | 178 |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] |  |  |  |  |  |  |  |  |  |
Increase (decrease) in accumulated deferred tax recognised in other comprehensive income due to change in tax rate |  |  |  |  | $ 90 |  |  |  |  |
Bottom of range |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] |  |  |  |  |  |  |  |  |  |
Tax rate effect from change in tax rate |  |  |  |  | 19.00% |  |  |  |  |
Top of range |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] |  |  |  |  |  |  |  |  |  |
Tax rate effect from change in tax rate |  |  |  |  | 25.00% |  |  |  |  |
Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Percentage of voting interest in company |  |  |  |  |  |  |  | 75.00% |  |
Chilean toll roads |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Disposal of ownership interest, percentage |  |  |  |  |  |  |  |  | 33.00% |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  | 44 |  |  |  |
Canadian district energy operations |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Disposal of ownership interest, percentage | 25.00% |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax | $ 124 |  |  |  |  |  |  |  |  |
Colombian Regulated Distribution Operation [Member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Disposal of ownership interest, percentage |  |  |  |  |  |  |  |  |  | 17.00%
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  | 61 |  |  |  |
Non-controlling Interest - Exchange LP Units, equity [Member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  | 11 | 14 | $ 12 | 18 | 18 |  |  |
Other comprehensive income (loss) |  |  | 0 | 0 | 0 | (2) |  |  |  |
Other items |  |  | 0 | (1) | 0 | (2) |  |  |  |
Balance as |  |  | 11 | 12 | 11 | 12 | 12 |  |  |
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 | 5 | 5 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | (2) |  |  |  |
Balance as |  |  | 5 | 3 | 5 | 3 | 5 |  |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Revaluation Surplus |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 4 | 3 | 3 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 4 | 3 | 4 | 3 | 4 |  |  |
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 | 1 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | (2) |  |  |  |
Balance as |  |  | (1) | (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 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 0 | 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 |  |  |  |  | 0 | (1) | (1) |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 0 | (1) | 0 | (1) | 0 |  |  |
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 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 0 | 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 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 0 | 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 | 2 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 2 | 2 | 2 | 2 | 2 |  |  |
Non-controlling Interest - Exchange LP Units, equity [Member] | Issued capital [member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 156 | 159 | 159 |  |  |
Balance as |  |  | 156 |  | $ 156 |  | $ 156 |  |  |
Exchange LP unit conversion, shares |  |  |  |  | 0.0 |  | 0.3 |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  | 1,643 | 1,606 | $ 1,687 | 2,039 | $ 2,039 |  |  |
Other comprehensive income (loss) |  |  | 56 | 4 | 41 | (240) |  |  |  |
Other items |  |  | (8) | 0 | (8) | 41 |  |  |  |
Balance as |  |  | 1,703 | 1,520 | 1,703 | 1,520 | 1,687 |  |  |
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 |  |  | 194 | (47) | 209 | 223 | 223 |  |  |
Other comprehensive income (loss) |  |  | 56 | 4 | 41 | (240) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 5 |  |  |  |
Other items |  |  | (69) | 0 | (69) | (31) |  |  |  |
Balance as |  |  | 181 | (43) | 181 | (43) | 209 |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Revaluation Surplus |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 438 | 391 | 391 |  |  |
Other comprehensive income (loss) |  |  |  |  | (20) | (7) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | (69) | (18) |  |  |  |
Balance as |  |  | 349 | 366 | 349 | 366 | 438 |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (647) | (546) | (546) |  |  |
Other comprehensive income (loss) |  |  |  |  | 8 | (257) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 5 |  |  |  |
Other items |  |  |  |  | 0 | (13) |  |  |  |
Balance as |  |  | (639) | (811) | (639) | (811) | (647) |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Net Investment Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 17 | 14 | 14 |  |  |
Other comprehensive income (loss) |  |  |  |  | (9) | 19 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 8 | 33 | 8 | 33 | 17 |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (9) | (37) | (37) |  |  |
Other comprehensive income (loss) |  |  |  |  | 16 | (18) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 7 | (55) | 7 | (55) | (9) |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Available for sale |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 13 | (2) | (2) |  |  |
Other comprehensive income (loss) |  |  |  |  | 43 | 12 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 56 | 10 | 56 | 10 | 13 |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Unrealized Actuarial Losses |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (12) | (4) | (4) |  |  |
Other comprehensive income (loss) |  |  |  |  | 2 | (1) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | (10) | (5) | (10) | (5) | (12) |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Equity accounted investments |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 409 | 407 | 407 |  |  |
Other comprehensive income (loss) |  |  |  |  | 1 | 12 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 410 | 419 | 410 | 419 | 409 |  |  |
Non-controlling Interest - Redeemable Partnership Units [Member] | Issued capital [member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  | 2,328 | 2,328 | 2,328 | 2,328 | 2,328 |  |  |
Other items |  |  |  | 0 | 0 | 0 |  |  |  |
Balance as |  |  | 2,328 | 2,328 | 2,328 | 2,328 | 2,328 |  |  |
Limited Partners 1 [Member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  | 4,129 | 4,008 | 4,233 | 5,048 | 5,048 |  |  |
Other comprehensive income (loss) |  |  | 134 | 11 | 99 | (574) |  |  |  |
Other items |  |  | (21) | 19 | (21) | 118 |  |  |  |
Balance as |  |  | 4,275 | 3,823 | 4,275 | 3,823 | 4,233 |  |  |
Limited Partners 1 [Member] | Accumulated other comprehensive income [member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  | 417 | (168) | 452 | 473 | 473 |  |  |
Other comprehensive income (loss) |  |  | 134 | 11 | 99 | (574) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 18 |  |  |  |
Other items |  |  | (170) | 0 | (170) | (74) |  |  |  |
Balance as |  |  | 381 | (157) | 381 | (157) | 452 |  |  |
Limited Partners 1 [Member] | Revaluation Surplus |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 1,015 | 899 | 899 |  |  |
Other comprehensive income (loss) |  |  |  |  | (49) | (16) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | (170) | (43) |  |  |  |
Balance as |  |  | 796 | 840 | 796 | 840 | 1,015 |  |  |
Limited Partners 1 [Member] | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (1,562) | (1,324) | (1,324) |  |  |
Other comprehensive income (loss) |  |  |  |  | 15 | (620) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 18 |  |  |  |
Other items |  |  |  |  | 0 | (31) |  |  |  |
Balance as |  |  | (1,547) | (1,957) | (1,547) | (1,957) | (1,562) |  |  |
Limited Partners 1 [Member] | Net Investment Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 37 | 30 | 30 |  |  |
Other comprehensive income (loss) |  |  |  |  | (20) | 46 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 17 | 76 | 17 | 76 | 37 |  |  |
Limited Partners 1 [Member] | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (14) | (82) | (82) |  |  |
Other comprehensive income (loss) |  |  |  |  | 39 | (42) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 25 | (124) | 25 | (124) | (14) |  |  |
Limited Partners 1 [Member] | Available for sale |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 39 | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 106 | 30 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 145 | 30 | 145 | 30 | 39 |  |  |
Limited Partners 1 [Member] | Unrealized Actuarial Losses |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (36) | (18) | (18) |  |  |
Other comprehensive income (loss) |  |  |  |  | 5 | 0 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | (31) | (18) | (31) | (18) | (36) |  |  |
Limited Partners 1 [Member] | Equity accounted investments |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 973 | 968 | 968 |  |  |
Other comprehensive income (loss) |  |  |  |  | 3 | 28 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  |  | 0 |  |  |  |
Other items |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 976 | 996 | 976 | 996 | 973 |  |  |
Limited Partners 1 [Member] | Issued capital [member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  | 5,529 | 5,498 | 5,526 | 5,495 | 5,495 |  |  |
Other items |  |  | 0 | 19 | 0 | 20 |  |  |  |
Balance as |  |  | 5,532 | 5,520 | 5,532 | 5,520 | 5,526 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  | 622 | 625 | 638 | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  | 20 | 2 | 15 | 1 |  |  |  |
Other items |  |  | (3) | (18) | (3) | (18) |  |  |  |
Balance as |  |  | 643 | 576 | 643 | 576 | 638 |  |  |
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 |  |  |  |  | 62 | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 15 | 1 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  | (23) |  |  |  |  |
Other items |  |  |  |  | (27) |  |  |  |  |
Balance as |  |  | 50 | (22) | 50 | (22) | 62 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Revaluation Surplus |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 27 | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | (7) | 0 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  | 0 |  |  |  |  |
Other items |  |  |  |  | (27) |  |  |  |  |
Balance as |  |  | (7) | 0 | (7) | 0 | 27 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 28 | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 2 | 0 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  | (23) |  |  |  |  |
Other items |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  | 30 | (23) | 30 | (23) | 28 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Net Investment Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (6) | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | (3) | 0 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  | 0 |  |  |  |  |
Other items |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  | (9) | 0 | (9) | 0 | (6) |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 22 | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 6 | 5 |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  | 0 |  |  |  |  |
Other items |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  | 28 | 5 | 28 | 5 | 22 |  |  |
Non-controlling Interest - Class A Shares, equity [Member] | Available for sale |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
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Class A Shares of BIPC, Issuance, Value |  |  |  |  | 0 |  |  |  |  |
Other items |  |  |  |  | 0 |  |  |  |  |
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Other comprehensive income (loss) |  |  |  |  | 0 | (1) |  |  |  |
Class A Shares of BIPC, Issuance, Value |  |  |  |  | 0 |  |  |  |  |
Other items |  |  |  |  | 0 |  |  |  |  |
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Class A Shares of BIPC, Issuance, Value |  |  |  |  | 0 |  |  |  |  |
Other items |  |  |  |  | 0 |  |  |  |  |
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Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (19) | 0 | 0 |  |  |
Balance as |  |  | (19) |  | (19) |  | (19) |  |  |
General Partner 1 [Member] |  |  |  |  |  |  |  |  |  |
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Other comprehensive income (loss) |  |  | 0 | 0 | 0 | (3) |  |  |  |
Other items |  |  |  | 0 | 0 | 0 |  |  |  |
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General Partner 1 [Member] | Accumulated other comprehensive income [member] |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 3 | 4 | 4 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | (3) |  |  |  |
Balance as |  |  | 3 | 1 | 3 | 1 | 3 |  |  |
General Partner 1 [Member] | Revaluation Surplus |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 7 | 6 | 6 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 7 | 6 | 7 | 6 | 7 |  |  |
General Partner 1 [Member] | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | (12) | (9) | (9) |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | (3) |  |  |  |
Balance as |  |  | (12) | (12) | (12) | (12) | (12) |  |  |
General Partner 1 [Member] | Net Investment Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 2 | 2 | 2 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 2 | 2 | 2 | 2 | 2 |  |  |
General Partner 1 [Member] | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 1 | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 1 | 0 | 1 | 0 | 1 |  |  |
General Partner 1 [Member] | Available for sale |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  | 0 | 0 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 0 | 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 | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | 0 | 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 | 5 |  |  |
Other comprehensive income (loss) |  |  |  |  | 0 | 0 |  |  |  |
Balance as |  |  | $ 5 | $ 5 | $ 5 | 5 | $ 5 |  |  |
Non-controlling Interest - Exchangeable Shares, equity |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  | $ 23 |  |  |  |
U.K. regulated distribution business |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  | $ 142 |  |  |  |  |  |  |  |

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