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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions |  |  |  | 1 Months Ended | 2 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jun. 07, 2021 | May 24, 2021 | May 12, 2021 | Apr. 30, 2023 | Nov. 30, 2021 | Oct. 31, 2021 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | $ 21,673 |  | $ 22,177 |  | $ 14,668 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 260 |  | (62) |  | 590 |
Issuance of class A shares of BIPC |  |  |  |  |  | $ 134 | $ 502 | $ 1,140 |  |  | 0 | [1],[2] |  |
Balance as |  |  |  |  |  |  |  |  | 26,391 |  | 21,673 |  | 22,177 |
Tax rate effect from change in tax rate |  |  | 19.00% |  | 25.00% |  |  |  |  |  |  |  |  |
Changes in tax rates or the imposition of new taxes |  |  |  |  |  |  |  |  | 188 |  | 41 |  | (20) |
Canadian District Energy Operation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  | $ 9 |  |  |  |  |  |  |  |  |  |  |  |
Disposal of ownership interest, percentage |  | 25.00% |  |  |  |  |  |  |  |  |  |  |  |
U.S. district energy operation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of ownership interest, percentage |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |
U.K. regulated distribution operation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  | $ 12 |  |  |  |  |  |  |  |  |  |
UK, Canada and US Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  | $ 416 |  |  |  |  |  |  |  |  |  |
Chilean toll roads |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  |  |  |  | $ 44 |  |  |  |  |
Disposal of ownership interest, percentage |  |  |  |  |  |  |  |  | 33.00% |  |  |  |  |
Colombian regulated distribution operation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  |  |  |  | $ 61 |  |  |  |  |
Disposal of ownership interest, percentage |  |  |  |  |  |  |  |  | 17.00% |  |  |  |  |
Texas electricity transmission project |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  |  |  |  | $ 25 |  |  |  |  |
Disposal of ownership interest, percentage |  |  |  |  |  |  |  |  | 11.00% |  |  |  |  |
Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in tax rates or the imposition of new taxes |  |  |  |  |  |  |  |  | $ 178 |  |  |  |  |
Increase (decrease) in accumulated deferred tax recognised in other comprehensive income due to change in tax rate |  |  |  |  |  |  |  |  | 90 |  |  |  |  |
Limited Partners |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 4,233 |  | 5,048 |  | 4,513 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 138 |  | (11) |  | 246 |
Issuance of class A shares of BIPC | [1],[2] |  |  |  |  |  |  |  |  |  | (441) |  |  |
Balance as |  |  |  |  |  |  |  |  | 5,702 |  | 4,233 |  | 5,048 |
Limited Partners | Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 452 | [3] | 473 | [4] | 209 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 138 | [3] | (11) | [4] | 246 |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 18 |  |  |
Other items |  |  |  |  |  |  |  |  | (265) |  | (28) |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (2) |  | 18 | [1],[2],[4] |  |
Balance as |  |  |  |  |  |  |  |  | 323 | [3] | 452 | [3] | 473 | [4]
Limited Partners | Revaluation Surplus |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 1,015 |  | 899 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 31 |  | 175 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | (265) |  | (59) |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (108) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 673 |  | 1,015 |  | 899 |
Limited Partners | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (1,562) |  | (1,324) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (168) |  | (287) |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 18 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 31 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 267 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (1,463) |  | (1,562) |  | (1,324) |
Limited Partners | Net Investment Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 37 |  | 30 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (2) |  | 7 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (8) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 27 |  | 37 |  | 30 |
Limited Partners | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (14) |  | (82) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 59 |  | 68 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 11 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 56 |  | (14) |  | (82) |
Limited Partners | Marketable Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 39 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 98 |  | 39 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (12) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 125 |  | 39 |  | 0 |
Limited Partners | Unrealized Actuarial (Losses) Gains |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (36) |  | (18) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 21 |  | (18) |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 5 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (10) |  | (36) |  | (18) |
Limited Partners | Equity accounted investments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 973 |  | 968 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 99 |  | 5 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (157) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 915 |  | 973 |  | 968 |
General Partner |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 19 |  | 24 |  | 22 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  | (1) |  | 1 |
Issuance of class A shares of BIPC | [1],[2] |  |  |  |  |  |  |  |  |  | (2) |  |  |
Balance as |  |  |  |  |  |  |  |  | 31 |  | 19 |  | 24 |
General Partner | Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 3 |  | 4 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | (1) |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (1) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 2 |  | 3 |  | 4 |
General Partner | Revaluation Surplus |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 7 |  | 6 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 1 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (3) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 4 |  | 7 |  | 6 |
General Partner | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (12) |  | (9) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (1) |  | (3) |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 5 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (8) |  | (12) |  | (9) |
General Partner | Net Investment Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 2 |  | 2 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (2) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 2 |  | 2 |
General Partner | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 1 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 1 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (1) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 1 |  | 0 |
General Partner | Marketable Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 1 |  | 0 |  | 0 |
General Partner | Unrealized Actuarial (Losses) Gains |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
General Partner | Equity accounted investments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 5 |  | 5 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 1 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (1) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 5 |  | 5 |  | 5 |
Non-controlling Interest - Redeemable Partnership Units |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 1,687 |  | 2,039 |  | 1,823 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 58 |  | (7) |  | 103 |
Issuance of class A shares of BIPC | [1],[2] |  |  |  |  |  |  |  |  |  | (183) |  |  |
Balance as |  |  |  |  |  |  |  |  | 2,408 |  | 1,687 |  | 2,039 |
Non-controlling Interest - Redeemable Partnership Units | Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 209 | [3] | 223 | [4] | 112 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 58 | [3] | (7) | [4] | 103 |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 5 |  |  |
Other items |  |  |  |  |  |  |  |  | (109) |  | (12) |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (21) |  | 5 | [1],[2],[4] |  |
Balance as |  |  |  |  |  |  |  |  | 137 | [3] | 209 | [3] | 223 | [4]
Non-controlling Interest - Redeemable Partnership Units | Revaluation Surplus |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 438 |  | 391 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 13 |  | 72 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | (109) |  | (25) |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (59) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 283 |  | 438 |  | 391 |
Non-controlling Interest - Redeemable Partnership Units | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (647) |  | (546) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (68) |  | (119) |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 5 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 13 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 99 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (616) |  | (647) |  | (546) |
Non-controlling Interest - Redeemable Partnership Units | Net Investment Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 17 |  | 14 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (1) |  | 3 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (4) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 12 |  | 17 |  | 14 |
Non-controlling Interest - Redeemable Partnership Units | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (9) |  | (37) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 25 |  | 28 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 8 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 24 |  | (9) |  | (37) |
Non-controlling Interest - Redeemable Partnership Units | Marketable Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 13 |  | (2) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 40 |  | 15 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 53 |  | 13 |  | (2) |
Non-controlling Interest - Redeemable Partnership Units | Unrealized Actuarial (Losses) Gains |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (12) |  | (4) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 8 |  | (8) |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (2) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (6) |  | (12) |  | (4) |
Non-controlling Interest - Redeemable Partnership Units | Equity accounted investments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 409 |  | 407 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 41 |  | 2 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (63) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 387 |  | 409 |  | 407 |
Non-controlling interest— BIPC exchangeable shares |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  |  |  |  | 23 |  |  |  |  |
Non-controlling interest— BIPC exchangeable shares | Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 62 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 30 |  | 87 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | (23) |  |  |
Other items |  |  |  |  |  |  |  |  | (42) |  | (2) |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 27 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 77 |  | 62 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Revaluation Surplus |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 27 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 11 |  | 29 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | (42) |  | (2) |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 165 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 161 |  | 27 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 28 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (31) |  | 51 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | (23) |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (348) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (351) |  | 28 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Net Investment Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (6) |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | (6) |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 13 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 7 |  | (6) |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 22 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 10 |  | 22 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (19) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 13 |  | 22 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Marketable Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 5 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 15 |  | 5 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 10 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 30 |  | 5 |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Unrealized Actuarial (Losses) Gains |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (3) |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 4 |  | (3) |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | (3) |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (2) |  | (3) |  | 0 |
Non-controlling interest— BIPC exchangeable shares | Equity accounted investments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (11) |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 21 |  | (11) |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of class A shares of BIPC |  |  |  |  |  |  |  |  | 209 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 219 |  | (11) |  | 0 |
Non-controlling Interest - Exchange LP Units, equity | Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 5 |  | 5 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 1 |  | 0 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  | (2) |  |  |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 4 |  | 5 |  | 5 |
Non-controlling Interest - Exchange LP Units, equity | Revaluation Surplus |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 4 |  | 3 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 1 |  | 1 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  | 5 |  |  |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 10 |  | 4 |  | 3 |
Non-controlling Interest - Exchange LP Units, equity | Foreign Currency Translation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (1) |  | 1 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (1) |  | (2) |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  | (22) |  |  |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | (24) |  | (1) |  | 1 |
Non-controlling Interest - Exchange LP Units, equity | Net Investment Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 1 |  | 0 |  | 0 |
Non-controlling Interest - Exchange LP Units, equity | Cash Flow Hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | (1) |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 1 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 1 |  | 0 |  | (1) |
Non-controlling Interest - Exchange LP Units, equity | Marketable Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 1 |  | 0 |  | 0 |
Non-controlling Interest - Exchange LP Units, equity | Unrealized Actuarial (Losses) Gains |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Non-controlling Interest - Exchange LP Units, equity | Equity accounted investments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | 2 |  | 2 |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 1 |  | 0 |  |  |
Issuance of BIPC exchangeable LP units, value |  |  |  |  |  |  |  |  | 12 |  |  |  |  |
Other items |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Balance as |  |  |  |  |  |  |  |  | $ 15 |  | $ 2 |  | $ 2 |
[1] | Refer to Note 1, Organization and Description of the Business.
[2] | Refer to Note 27, Partnership Capital.
[3] | Refer to Note 28, Accumulated Other Comprehensive Income (Loss).
[4] | Refer to Note 28, Accumulated Other Comprehensive Income (Loss).

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