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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | 12 Months Ended
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Dec. 31, 2023
Disclosure of analysis of other comprehensive income by item [abstract] |
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (a)Attributable to Limited Partners
US$ MILLIONS |  | Revaluation Surplus |  | Foreign Currency Translation |  | Net Investment Hedges |  | Cash Flow Hedges |  | Marketable Securities |  | Unrealized Actuarial (Losses) Gains |  | Equity accounted investments |  | Accumulated Other Comprehensive Income
Balance at December 31, 2021 |  | $ | 673 |  |  | $ | (1,463) |  |  | $ | 27 |  |  | $ | 56 |  |  | $ | 125 |  |  | $ | (10) |  |  | $ | 915 |  |  | $ | 323 |
Other comprehensive income (loss) |  | 101 |  |  | (285) |  |  | 88 |  |  | 31 |  |  | — |  |  | 13 |  |  | 289 |  |  | 237 |
Other items(1) |  | — |  |  | 7 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (86) |  |  | (79) |
Balance at December 31, 2022 |  | $ | 774 |  |  | $ | (1,741) |  |  | $ | 115 |  |  | $ | 87 |  |  | $ | 125 |  |  | $ | 3 |  |  | $ | 1,118 |  |  | $ | 481 |
Other comprehensive income (loss) |  | 144 |  |  | 190 |  |  | (12) |  |  | (48) |  |  | — |  |  | (3) |  |  | (52) |  |  | 219 |
Equity issuance(2) |  | (15) |  |  | 36 |  |  | (2) |  |  | (3) |  |  | (3) |  |  | (1) |  |  | (17) |  |  | (5) |
Other items |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (19) |  |  | (19) |
Balance at December 31, 2023 |  | $ | 903 |  |  | $ | (1,515) |  |  | $ | 101 |  |  | $ | 36 |  |  | $ | 122 |  |  | $ | (1) |  |  | $ | 1,030 |  |  | $ | 676 |
(b)Attributable to General Partner
US$ MILLIONS |  | Revaluation Surplus |  | Foreign Currency Translation |  | Net Investment Hedges |  | Cash Flow Hedges |  | Marketable Securities |  | Unrealized Actuarial Gains |  | Equity accounted investments |  | Accumulated Other Comprehensive Income
Balance at December 31, 2021 |  | $ | 4 |  |  | $ | (8) |  |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | 5 |  |  | $ | 2 |
Other comprehensive (loss) income |  | — |  |  | (1) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | — |
Balance at December 31, 2022 |  | $ | 4 |  |  | $ | (9) |  |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | 6 |  |  | $ | 2 |
Other comprehensive income |  | 1 |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2 |
Equity issuance(2) |  | — |  |  | (1) |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Balance at December 31, 2023 |  | $ | 5 |  |  | $ | (9) |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | 6 |  |  | $ | 4 |
(c)Attributable to Non-controlling interest—Redeemable Partnership Units held by Brookfield
US$ MILLIONS |  | Revaluation Surplus |  | Foreign Currency Translation |  | Net Investment Hedges |  | Cash Flow Hedges |  | Marketable Securities |  | Unrealized Actuarial (Losses) Gains |  | Equity accounted investments |  | Accumulated Other Comprehensive Income
Balance at December 31, 2021 |  | $ | 283 |  |  | $ | (616) |  |  | $ | 12 |  |  | $ | 24 |  |  | $ | 53 |  |  | $ | (6) |  |  | $ | 387 |  |  | $ | 137 |
Other comprehensive income (loss) |  | 43 |  |  | (112) |  |  | 37 |  |  | 12 |  |  | — |  |  | 5 |  |  | 122 |  |  | 107 |
Other items(1) |  | — |  |  | 2 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (36) |  |  | (34) |
Balance at December 31, 2022 |  | $ | 326 |  |  | $ | (726) |  |  | $ | 49 |  |  | $ | 36 |  |  | $ | 53 |  |  | $ | (1) |  |  | $ | 473 |  |  | $ | 210 |
Other comprehensive income (loss) |  | 60 |  |  | 79 |  |  | (6) |  |  | (20) |  |  | — |  |  | (1) |  |  | (22) |  |  | 90 |
Equity issuance(2) |  | (14) |  |  | 23 |  |  | (2) |  |  | (1) |  |  | (3) |  |  | 2 |  |  | (19) |  |  | (14) |
Other items |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (9) |  |  | (9) |
Balance at December 31, 2023 |  | $ | 372 |  |  | $ | (624) |  |  | $ | 41 |  |  | $ | 15 |  |  | $ | 50 |  |  | $ | — |  |  | $ | 423 |  |  | $ | 277 |
(d) Attributable to Non-controlling interest—BIPC exchangeable shares
US$ MILLIONS |  | Revaluation Surplus |  | Foreign Currency Translation |  | Net Investment Hedges |  | Cash Flow Hedges |  | Marketable Securities |  | Unrealized Actuarial (Losses) Gains |  | Equity accounted investments |  | Accumulated Other Comprehensive Income
Balance at December 31, 2021 |  | $ | 161 |  |  | $ | (351) |  |  | $ | 7 |  |  | $ | 13 |  |  | $ | 30 |  |  | $ | (2) |  |  | $ | 219 |  |  | $ | 77 |
Other comprehensive income (loss) |  | 25 |  |  | (65) |  |  | 21 |  |  | 7 |  |  | — |  |  | 3 |  |  | 69 |  |  | 60 |
Other items(1) |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (20) |  |  | (19) |
Balance at December 31, 2022 |  | $ | 186 |  |  | $ | (415) |  |  | $ | 28 |  |  | $ | 20 |  |  | $ | 30 |  |  | $ | 1 |  |  | $ | 268 |  |  | $ | 118 |
Other comprehensive income (loss) |  | 41 |  |  | 55 |  |  | (3) |  |  | (14) |  |  | — |  |  | (1) |  |  | (16) |  |  | 62 |
Equity issuance(2) |  | 30 |  |  | (64) |  |  | 4 |  |  | 4 |  |  | 5 |  |  | (1) |  |  | 41 |  |  | 19 |
Other items |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (4) |  |  | (4) |
Balance at December 31, 2023 |  | $ | 257 |  |  | $ | (424) |  |  | $ | 29 |  |  | $ | 10 |  |  | $ | 35 |  |  | $ | (1) |  |  | $ | 289 |  |  | $ | 195 |
(e) Attributable to Non-controlling interest—Exchangeable units(3)
US$ MILLIONS |  | Revaluation Surplus |  | Foreign Currency Translation |  | Net Investment Hedges |  | Cash Flow Hedges |  | Marketable Securities |  | Unrealized Actuarial Gains |  | Equity accounted investments |  | Accumulated Other Comprehensive Income
Balance at December 31, 2021 |  | $ | 10 |  |  | $ | (24) |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 15 |  |  | $ | 4 |
Other comprehensive income (loss) |  | 1 |  |  | (4) |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | 4 |  |  | 2 |
Balance at December 31, 2022 |  | $ | 11 |  |  | $ | (28) |  |  | $ | 2 |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 19 |  |  | $ | 6 |
Other comprehensive income (loss) |  | 2 |  |  | 1 |  |  | — |  |  | (1) |  |  | — |  |  | — |  |  | 1 |  |  | 3 |
Equity issuance(2) |  | (1) |  |  | 9 |  |  | (1) |  |  | — |  |  | — |  |  | — |  |  | (7) |  |  | — |
Other items |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Balance at December 31, 2023 |  | $ | 12 |  |  | $ | (18) |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | 13 |  |  | $ | 9 |
(1) In relation to the disposition of a 49% interest in its North American container terminal operation, $142 million of accumulated other comprehensive income (net of tax) of revaluation surplus gains were reclassified from accumulated other comprehensive income directly to retained earnings and recorded within Other items on the Consolidated Statements of Partnership Capital. Refer to Note 12, Investments in Associates and Joint Ventures, for further details. (2)In relation to the issuance of BIPC exchangeable shares, accumulated other comprehensive income was reallocated between all components of equity. Refer to Note 27, Partnership Capital, for further details. (3)Includes non-controlling interest attributable to Exchange LP Units and BIPC Exchangeable LP Units. Refer to Note 1, Organization and Description of the Business, for further details.

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