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SEGMENT INFORMATION - Operating Segments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | $ 5,429 | $ 5,138 | $ 10,821 | $ 10,325 |
Costs attributed to revenues | (3,054) | (2,993) | (6,058) | (5,970) |
General and administrative expenses | (108) | (92) | (205) | (189) |
Other (expense) income | (109) | (56) | (182) | (129) |
Interest expense | (909) | (826) | (1,808) | (1,620) |
Depreciation and amortization expense | (941) | (882) | (1,901) | (1,818) |
Deferred taxes | 44 | 51 | 82 | 201 |
Mark-to-market and other | (88) | (251) | (82) | 62 |
Share of (losses) earnings from associates | (12) | 95 | 111 | 136 | $ 439
Net income attributable to non-controlling interest | (183) | (176) | (584) | (820) |
Net income attributable to partnership | 69 | 8 | 194 | 178 |
Utilities |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 2,187 | 2,014 | 4,317 | 4,092 |
Transport |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 1,150 | 1,251 | 2,324 | 2,512 |
Midstream |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 984 | 1,100 | 2,033 | 2,215 |
Data |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 1,108 | 773 | 2,147 | 1,506 |
Operating segments |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 1,945 | 1,910 | 3,881 | 3,853 |
Costs attributed to revenues | (799) | (812) | (1,586) | (1,652) |
General and administrative expenses | (108) | (92) | (205) | (189) |
Other (expense) income | 14 | 12 | 29 | 15 |
Interest expense | (414) | (410) | (835) | (804) |
Funds from operations | 638 | 608 | 1,284 | 1,223 |
Depreciation and amortization expense | (421) | (411) | (846) | (840) |
Deferred taxes | 29 | (2) | 33 | 21 |
Mark-to-market and other | (177) | (187) | (277) | (226) |
Share of (losses) earnings from associates | 0 | 0 | 0 | 0 |
Net income attributable to non-controlling interest | 0 | 0 | 0 | 0 |
Net income attributable to partnership | 69 | 8 | 194 | 178 |
Operating segments | Utilities |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 676 | 658 | 1,360 | 1,317 |
Costs attributed to revenues | (358) | (351) | (718) | (694) |
General and administrative expenses | 0 | 0 | 0 | 0 |
Other (expense) income | (28) | (30) | (62) | (67) |
Interest expense | (103) | (97) | (201) | (186) |
Funds from operations | 187 | 180 | 379 | 370 |
Operating segments | Transport |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 618 | 650 | 1,199 | 1,264 |
Costs attributed to revenues | (210) | (225) | (396) | (438) |
General and administrative expenses | 0 | 0 | 0 | 0 |
Other (expense) income | (11) | (6) | (17) | (14) |
Interest expense | (93) | (100) | (194) | (191) |
Funds from operations | 304 | 319 | 592 | 621 |
Operating segments | Midstream |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 385 | 389 | 810 | 850 |
Costs attributed to revenues | (146) | (162) | (307) | (367) |
General and administrative expenses | 0 | 0 | 0 | 0 |
Other (expense) income | (4) | (1) | (12) | (5) |
Interest expense | (78) | (83) | (165) | (165) |
Funds from operations | 157 | 143 | 326 | 313 |
Operating segments | Data |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 266 | 213 | 512 | 422 |
Costs attributed to revenues | (85) | (74) | (165) | (153) |
General and administrative expenses | 0 | 0 | 0 | 0 |
Other (expense) income | 6 | 1 | 12 | 7 |
Interest expense | (74) | (62) | (144) | (130) |
Funds from operations | 113 | 78 | 215 | 146 |
Operating segments | Corporate |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 0 | 0 | 0 | 0 |
Costs attributed to revenues | 0 | 0 | 0 | 0 |
General and administrative expenses | (108) | (92) | (205) | (189) |
Other (expense) income | 51 | 48 | 108 | 94 |
Interest expense | (66) | (68) | (131) | (132) |
Funds from operations | (123) | (112) | (228) | (227) |
Material reconciling items | Total for all associates |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | (478) | (511) | (946) | (985) |
Costs attributed to revenues | 132 | 153 | 257 | 291 |
General and administrative expenses | 0 | 0 | 0 | 0 |
Other (expense) income | 7 | 14 | 17 | 33 |
Interest expense | 91 | 99 | 190 | 191 |
Depreciation and amortization expense | 114 | 118 | 234 | 224 |
Deferred taxes | (19) | (12) | (22) | (4) |
Mark-to-market and other | 177 | 44 | 171 | 114 |
Share of (losses) earnings from associates | (24) | 95 | 99 | 136 |
Net income attributable to non-controlling interest | 0 | 0 | 0 | 0 |
Net income attributable to partnership | 0 | 0 | 0 | 0 |
Material reconciling items | Non-controlling interests |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenues | 3,962 | 3,739 | 7,886 | 7,457 |
Costs attributed to revenues | (2,387) | (2,334) | (4,729) | (4,609) |
General and administrative expenses | 0 | 0 | 0 | 0 |
Other (expense) income | (130) | (82) | (228) | (177) |
Interest expense | (586) | (515) | (1,163) | (1,007) |
Depreciation and amortization expense | (634) | (589) | (1,289) | (1,202) |
Deferred taxes | 34 | 65 | 71 | 184 |
Mark-to-market and other | (88) | (108) | 24 | 174 |
Share of (losses) earnings from associates | 12 | 0 | 12 | 0 |
Net income attributable to non-controlling interest | (183) | (176) | (584) | (820) |
Net income attributable to partnership | $ 0 | $ 0 | $ 0 | $ 0 |

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