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NON-WHOLLY OWNED SUBSIDIARIES - Summarized Statement of Operations (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Nov. 16, 2021 | Jun. 07, 2021 | Dec. 07, 2020
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | $ 11,537 | $ 8,885 | $ 6,597 |  |  |
Net income (loss) attributable to partnership | 1,093 | 394 | 233 |  |  |
Non-Wholly Owned Subsidiaries |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 11,233 | 8,631 | 6,279 |  |  |
Attributable to non-controlling interest, net income (loss) | 1,626 | 511 | 412 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 24 | (130) | 241 |  |  |
Net income (loss) attributable to partnership | 966 | 237 | (6) |  |  |
Attributable to unitholders, other comprehensive income (loss) | 257 | 364 | 364 |  |  |
U.K. regulated distribution operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 569 | 488 | 478 |  |  |
Attributable to non-controlling interest, net income (loss) | 34 | 11 | 24 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 6 | 42 | 71 |  |  |
Net income (loss) attributable to partnership | 138 | 46 | 103 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 26 | 167 | 278 |  |  |
Colombian regulated distribution operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues |  | 6 | 179 |  |  |
Attributable to non-controlling interest, net income (loss) |  | 2 | 10 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) |  | 156 | (9) |  |  |
Net income (loss) attributable to partnership |  | 0 | 2 |  |  |
Attributable to unitholders, other comprehensive income (loss) |  | (6) | (2) |  |  |
Brazilian regulated gas transmission operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 1,074 | 942 | 1,141 |  |  |
Attributable to non-controlling interest, net income (loss) | 361 | 309 | 349 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (87) | (399) | (83) |  |  |
Net income (loss) attributable to partnership | 150 | 116 | 132 |  |  |
Attributable to unitholders, other comprehensive income (loss) | (31) | (152) | (33) |  |  |
Colombian natural gas distribution operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 862 | 793 | 874 |  |  |
Attributable to non-controlling interest, net income (loss) | 34 | 39 | 51 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (101) | 34 | (4) |  |  |
Net income (loss) attributable to partnership | 8 | 7 | 7 |  |  |
Attributable to unitholders, other comprehensive income (loss) | (24) | 13 | 0 |  |  |
Brazil electricity transmission operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 90 | 40 | 2 |  |  |
Attributable to non-controlling interest, net income (loss) | 22 | 9 | 15 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (6) | (25) | (2) |  |  |
Net income (loss) attributable to partnership | 10 | 4 | 7 |  |  |
Attributable to unitholders, other comprehensive income (loss) | (2) | (11) | (1) |  |  |
Canadian District Energy Operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 72 | 127 | 121 |  |  |
Attributable to non-controlling interest, net income (loss) | 9 | 5 | 6 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 35 | 115 | 85 |  |  |
Net income (loss) attributable to partnership | 3 | 2 | 2 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 8 | 39 | 29 |  |  |
Disposal of ownership interest, percentage |  |  |  |  | 25.00% |
U.S. district energy operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 74 | 137 | 158 |  |  |
Attributable to non-controlling interest, net income (loss) | 2 | (14) | (14) |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 0 | 58 | 49 |  |  |
Net income (loss) attributable to partnership | 0 | (9) | (9) |  |  |
Attributable to unitholders, other comprehensive income (loss) | 0 | 38 | 32 |  |  |
Disposal of ownership interest, percentage |  |  |  |  | 40.00% |
Australian Export Terminal |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues |  | 297 | 308 |  |  |
Attributable to non-controlling interest, net income (loss) |  | 163 | 15 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) |  | 35 | (3) |  |  |
Net income (loss) attributable to partnership |  | 54 | 43 |  |  |
Attributable to unitholders, other comprehensive income (loss) |  | 16 | (8) |  |  |
Disposal of ownership interest, percentage |  |  |  |  |  | 22.00%
North American residential energy infrastructure operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 1,444 | 1,274 | 956 |  |  |
Attributable to non-controlling interest, net income (loss) | 75 | 70 | 3 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 43 | (32) | 63 |  |  |
Net income (loss) attributable to partnership | 32 | 29 | 2 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 18 | (14) | 26 |  |  |
Indian gas transmission operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 342 | 268 | 266 |  |  |
Attributable to non-controlling interest, net income (loss) | 35 | (61) | (39) |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (17) | (23) | (33) |  |  |
Net income (loss) attributable to partnership | 13 | (19) | (12) |  |  |
Attributable to unitholders, other comprehensive income (loss) | (5) | (7) | (10) |  |  |
UK Residential Infrastructure Business |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 2 |  |  |  |  |
Attributable to non-controlling interest, net income (loss) | 0 |  |  |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 0 |  |  |  |  |
Net income (loss) attributable to partnership | 0 |  |  |  |  |
Attributable to unitholders, other comprehensive income (loss) | 0 |  |  |  |  |
European Residential Infrastructure Operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 89 |  |  |  |  |
Attributable to non-controlling interest, net income (loss) | (6) |  |  |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (8) |  |  |  |  |
Net income (loss) attributable to partnership | (1) |  |  |  |  |
Attributable to unitholders, other comprehensive income (loss) | (1) |  |  |  |  |
North American rail operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 2,157 | 1,974 | 0 |  |  |
Attributable to non-controlling interest, net income (loss) | 208 | 86 | 0 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 131 | (153) | (10) |  |  |
Net income (loss) attributable to partnership | 24 | 11 | 0 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 13 | (16) | (1) |  |  |
U.K. ports operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 274 | 235 | 197 |  |  |
Attributable to non-controlling interest, net income (loss) | 17 | 22 | 4 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 6 | 16 | 19 |  |  |
Net income (loss) attributable to partnership | 24 | 31 | 7 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 9 | 22 | 27 |  |  |
Australian port operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 412 | 381 | 462 |  |  |
Attributable to non-controlling interest, net income (loss) | (16) | (29) | (24) |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (18) | 40 | (1) |  |  |
Net income (loss) attributable to partnership | (6) | (10) | (7) |  |  |
Attributable to unitholders, other comprehensive income (loss) | (6) | 14 | 0 |  |  |
Chilean toll roads |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 138 | 116 | 162 |  |  |
Attributable to non-controlling interest, net income (loss) | (40) | (21) | 0 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 53 | (21) | 27 |  |  |
Net income (loss) attributable to partnership | (8) | (6) | 2 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 13 | 2 | 16 |  |  |
Disposal of ownership interest, percentage |  |  |  | 17.00% |  |
Peruvian toll roads |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 96 | 81 | 107 |  |  |
Attributable to non-controlling interest, net income (loss) | 6 | 7 | 5 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (57) | (54) | 10 |  |  |
Net income (loss) attributable to partnership | 1 | 1 | 1 |  |  |
Attributable to unitholders, other comprehensive income (loss) | (11) | (11) | 2 |  |  |
Indian Toll Roads |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 117 | 111 | 130 |  |  |
Attributable to non-controlling interest, net income (loss) | (25) | (24) | (19) |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (6) | (4) | (6) |  |  |
Net income (loss) attributable to partnership | (9) | (8) | (9) |  |  |
Attributable to unitholders, other comprehensive income (loss) | (3) | (2) | (3) |  |  |
North American gas storage operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 371 | 143 | 143 |  |  |
Attributable to non-controlling interest, net income (loss) | 95 | (10) | 12 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 36 | 10 | 52 |  |  |
Net income (loss) attributable to partnership | 65 | (7) | 9 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 22 | 6 | 32 |  |  |
Canadian diversified midstream operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 906 |  |  |  |  |
Attributable to non-controlling interest, net income (loss) | 59 |  |  |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 38 |  |  |  |  |
Net income (loss) attributable to partnership | 65 |  |  |  |  |
Attributable to unitholders, other comprehensive income (loss) | 30 |  |  |  |  |
Western Canadian natural gas gathering and processing operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 551 | 501 | 256 |  |  |
Attributable to non-controlling interest, net income (loss) | 62 | 29 | 35 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 52 | (1) | 31 |  |  |
Net income (loss) attributable to partnership | 25 | 12 | 14 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 21 | (1) | 12 |  |  |
U.S. data center operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 249 | 273 | 294 |  |  |
Attributable to non-controlling interest, net income (loss) | (33) | (32) | (22) |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 13 | (10) | (10) |  |  |
Net income (loss) attributable to partnership | (13) | (13) | (7) |  |  |
Attributable to unitholders, other comprehensive income (loss) | 5 | (4) | (4) |  |  |
Australian data center operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 23 | 24 | 20 |  |  |
Attributable to non-controlling interest, net income (loss) | 3 | 4 | 6 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (8) | 12 | (3) |  |  |
Net income (loss) attributable to partnership | 1 | 1 | 2 |  |  |
Attributable to unitholders, other comprehensive income (loss) | (3) | 5 | (1) |  |  |
U.K. telecom towers operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 59 | 51 | 0 |  |  |
Attributable to non-controlling interest, net income (loss) | (19) | (3) | 0 |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (1) | 5 | (2) |  |  |
Net income (loss) attributable to partnership | (6) | (1) | 0 |  |  |
Attributable to unitholders, other comprehensive income (loss) | 0 | 2 | (1) |  |  |
Indian Telecom Towers Operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 1,257 | 360 |  |  |  |
Attributable to non-controlling interest, net income (loss) | 1 | 5 |  |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | (80) | 69 |  |  |  |
Net income (loss) attributable to partnership | 0 | 3 |  |  |  |
Attributable to unitholders, other comprehensive income (loss) | (16) | 14 |  |  |  |
Holding LP and other |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Revenues | 5 | 9 | 25 |  |  |
Attributable to non-controlling interest, net income (loss) | 742 | (56) | (5) |  |  |
Attributable to non-controlling interest, other comprehensive income (loss) | 0 | 0 | 0 |  |  |
Net income (loss) attributable to partnership | 450 | (7) | (295) |  |  |
Attributable to unitholders, other comprehensive income (loss) | $ 194 | $ 250 | $ (26) |  |  |
Colombian regulated distribution operation |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Disposal of ownership interest, percentage | 17.00% |  |  |  |  |

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