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NON-WHOLLY OWNED SUBSIDIARIES (Tables) | 12 Months Ended
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Dec. 31, 2021
Interests In Other Entities [Abstract] |
Summarized accounts for non-wholly owned subsidiaries | The following tables present summarized accounts for non-wholly owned subsidiaries on the Consolidated Statement of Financial Position:
|  | As of December 31, 2021
US$ MILLIONS |  | Current Assets |  | Non-Current Assets |  | Current Liabilities |  | Non-Current Liabilities |  | Non-Controlling Interest in Operating Subsidiaries |  | Partnership Capital(1)
Utilities |  |  |  |  |  |  |  |  |  |  |  |
U.K. regulated distribution operation |  | $ | 249 |  |  | $ | 4,961 |  |  | $ | 316 |  |  | $ | 3,285 |  |  | $ | 314 |  |  | $ | 1,295 |
Brazilian regulated gas transmission operation |  | 668 |  |  | 3,115 |  |  | 1,278 |  |  | 2,028 |  |  | 389 |  |  | 88 |
Colombian natural gas distribution operation |  | 219 |  |  | 1,061 |  |  | 162 |  |  | 522 |  |  | 512 |  |  | 84 |
Brazilian electricity transmission operation(2) |  | 104 |  |  | 1,457 |  |  | 30 |  |  | 902 |  |  | 436 |  |  | 193 |
North American residential energy infrastructure operation |  | 269 |  |  | 4,583 |  |  | 466 |  |  | 2,660 |  |  | 1,215 |  |  | 511 |
Indian gas transmission operation |  | 154 |  |  | 2,015 |  |  | 287 |  |  | 1,191 |  |  | 644 |  |  | 47 |
U.K. residential infrastructure business(2) |  | 5 |  |  | 151 |  |  | 34 |  |  | 5 |  |  | 99 |  |  | 18 |
European residential infrastructure operation(2) |  | 24 |  |  | 213 |  |  | 10 |  |  | 78 |  |  | 132 |  |  | 17 |
Transport |  |  |  |  |  |  |  |  |  |  |  |
North American rail operation |  | 564 |  |  | 9,561 |  |  | 564 |  |  | 4,930 |  |  | 4,173 |  |  | 458 |
U.K. port operation |  | 55 |  |  | 1,154 |  |  | 40 |  |  | 779 |  |  | 159 |  |  | 231 |
Australian port operation |  | 262 |  |  | 581 |  |  | 223 |  |  | 180 |  |  | 316 |  |  | 124 |
Peruvian toll roads |  | 98 |  |  | 1,132 |  |  | 17 |  |  | 561 |  |  | 541 |  |  | 111 |
Indian toll roads(3) |  | 70 |  |  | 732 |  |  | 166 |  |  | 364 |  |  | 189 |  |  | 83 |
Midstream |  |  |  |  |  |  |  |  |  |  |  |
Canadian diversified midstream operation(2) |  | 441 |  |  | 15,034 |  |  | 2,875 |  |  | 7,283 |  |  | 2,413 |  |  | 2,904 |
North American gas storage operation |  | 258 |  |  | 1,479 |  |  | 227 |  |  | 662 |  |  | 525 |  |  | 323 |
Western Canadian natural gas gathering and processing operation |  | 130 |  |  | 3,932 |  |  | 96 |  |  | 1,974 |  |  | 1,422 |  |  | 570 |
Data |  |  |  |  |  |  |  |  |  |  |  |
U.S. data center operation |  | 51 |  |  | 1,401 |  |  | 86 |  |  | 929 |  |  | 312 |  |  | 125 |
Australian data center operation |  | 28 |  |  | 402 |  |  | 23 |  |  | 119 |  |  | 206 |  |  | 82 |
U.K. telecom towers operation |  | 40 |  |  | 880 |  |  | 190 |  |  | 495 |  |  | 177 |  |  | 58 |
Indian telecom towers operation(2) |  | 306 |  |  | 8,081 |  |  | 407 |  |  | 6,034 |  |  | 1,443 |  |  | 503 |
Corporate |  |  |  |  |  |  |  |  |  |  |  |
Holding LP and other |  | 746 |  |  | 101 |  |  | 889 |  |  | 2,470 |  |  | 41 |  |  | (2,553) |
Total |  | $ | 4,741 |  |  | $ | 62,026 |  |  | $ | 8,386 |  |  | $ | 37,451 |  |  | $ | 15,658 |  |  | $ | 5,272 |
|  | As of December 31, 2020
US$ MILLIONS |  | Current Assets |  | Non-Current Assets |  | Current Liabilities |  | Non-Current Liabilities |  | Non-Controlling Interest in Operating Subsidiaries |  | Partnership Capital(1)
Utilities |  |  |  |  |  |  |  |  |  |  |  |
U.K. regulated distribution operation |  | $ | 181 |  |  | $ | 5,264 |  |  | $ | 333 |  |  | $ | 3,241 |  |  | $ | 367 |  |  | $ | 1,504 |
Brazilian regulated transmission operation |  | 405 |  |  | 3,494 |  |  | 203 |  |  | 2,772 |  |  | 783 |  |  | 141 |
Colombian natural gas distribution operation |  | 220 |  |  | 1,256 |  |  | 248 |  |  | 478 |  |  | 636 |  |  | 114 |
Brazilian electricity transmission operation(2) |  | 15 |  |  | 320 |  |  | 11 |  |  | 196 |  |  | 89 |  |  | 39 |
Canadian district energy operation(4) |  | 28 |  |  | 1,260 |  |  | 147 |  |  | 567 |  |  | 429 |  |  | 145 |
U.S. district energy operation(4) |  | 38 |  |  | 1,097 |  |  | 78 |  |  | 768 |  |  | 163 |  |  | 126 |
North American residential energy infrastructure operation |  | 210 |  |  | 4,215 |  |  | 436 |  |  | 2,321 |  |  | 1,174 |  |  | 494 |
Indian gas transmission operation |  | 94 |  |  | 2,172 |  |  | 131 |  |  | 1,308 |  |  | 781 |  |  | 46 |
Transport |  |  |  |  |  |  |  |  |  |  |  |
North American rail operation |  | 504 |  |  | 9,569 |  |  | 699 |  |  | 4,898 |  |  | 4,032 |  |  | 444 |
U.K. port operation |  | 62 |  |  | 1,105 |  |  | 45 |  |  | 735 |  |  | 157 |  |  | 230 |
Australian port operation |  | 151 |  |  | 863 |  |  | 131 |  |  | 393 |  |  | 352 |  |  | 138 |
Chilean toll roads(4) |  | 126 |  |  | 835 |  |  | 125 |  |  | 1,148 |  |  | (335) |  |  | 23 |
Peruvian toll roads |  | 105 |  |  | 1,247 |  |  | 438 |  |  | 212 |  |  | 591 |  |  | 111 |
Indian toll roads(3) |  | 87 |  |  | 808 |  |  | 177 |  |  | 426 |  |  | 203 |  |  | 89 |
Midstream |  |  |  |  |  |  |  |  |  |  |  |
North American gas storage |  | 170 |  |  | 1,433 |  |  | 67 |  |  | 658 |  |  | 544 |  |  | 334 |
Western Canadian natural gas gathering and processing operation |  | 125 |  |  | 3,964 |  |  | 131 |  |  | 2,072 |  |  | 1,348 |  |  | 538 |
Data |  |  |  |  |  |  |  |  |  |  |  |
U.S. data center operation |  | 67 |  |  | 1,634 |  |  | 95 |  |  | 1,138 |  |  | 334 |  |  | 134 |
Australian data center operation |  | 12 |  |  | 311 |  |  | 127 |  |  | 7 |  |  | 135 |  |  | 54 |
U.K. telecom towers operation |  | 32 |  |  | 896 |  |  | 332 |  |  | 327 |  |  | 203 |  |  | 66 |
Indian telecom towers operation(2) |  | 392 |  |  | 7,998 |  |  | 493 |  |  | 5,392 |  |  | 1,917 |  |  | 588 |
Corporate |  |  |  |  |  |  |  |  |  |  |  |
Holding LP and other |  | 589 |  |  | 172 |  |  | 870 |  |  | 3,423 |  |  | 52 |  |  | (3,584) |
Total |  | $ | 3,613 |  |  | $ | 49,913 |  |  | $ | 5,317 |  |  | $ | 32,480 |  |  | $ | 13,955 |  |  | $ | 1,774 |
(1)Attributable to all equity holders other than non-controlling interests in operating subsidiaries. (2)Refer to Note 6, Acquisition of Businesses, for further details. (3)Indian toll roads include our investments in BIF India Holdings Pte Ltd, Simhapuri Expressway Limited and Rayalseema Expressway Private Limited. (4)Refer to Note 5 , Disposition of Businesses, for further details. The following tables present summarized accounts for non-wholly owned subsidiaries on the Consolidated Statement of Operating Results:
|  | Year ended December 31, 2021
|  |  |  | Attributable to non-controlling interest |  | Attributable to unitholders
US$ MILLIONS |  | Revenue |  | Net Income (loss) |  | Other Comprehensive Income (loss) |  | Net Income (loss) |  | Other Comprehensive Income (loss)
Utilities |  |  |  |  |  |  |  |  |  |
U.K. regulated distribution operation |  | $ | 569 |  |  | $ | 34 |  |  | $ | 6 |  |  | $ | 138 |  |  | $ | 26 |
Brazilian regulated transmission operation |  | 1,074 |  |  | 361 |  |  | (87) |  |  | 150 |  |  | (31) |
Colombian natural gas distribution operation |  | 862 |  |  | 34 |  |  | (101) |  |  | 8 |  |  | (24) |
Brazilian electricity transmission operation(1) |  | 90 |  |  | 22 |  |  | (6) |  |  | 10 |  |  | (2) |
Canadian district energy operation(2) |  | 72 |  |  | 9 |  |  | 35 |  |  | 3 |  |  | 8 |
U.S. district energy operation(2) |  | 74 |  |  | 2 |  |  | — |  |  | — |  |  | — |
North American residential energy infrastructure operation |  | 1,444 |  |  | 75 |  |  | 43 |  |  | 32 |  |  | 18 |
Indian gas transmission operation |  | 342 |  |  | 35 |  |  | (17) |  |  | 13 |  |  | (5) |
U.K. residential infrastructure business(1) |  | 2 |  |  | — |  |  | — |  |  | — |  |  | — |
European residential infrastructure operation(1) |  | 89 |  |  | (6) |  |  | (8) |  |  | (1) |  |  | (1) |
Transport |  |  |  |  |  |  |  |  |  |
North American rail operation |  | 2,157 |  |  | 208 |  |  | 131 |  |  | 24 |  |  | 13 |
U.K. port operation |  | 274 |  |  | 17 |  |  | 6 |  |  | 24 |  |  | 9 |
Australian port operation |  | 412 |  |  | (16) |  |  | (18) |  |  | (6) |  |  | (6) |
Chilean toll roads(2) |  | 138 |  |  | (40) |  |  | 53 |  |  | (8) |  |  | 13 |
Peruvian toll roads |  | 96 |  |  | 6 |  |  | (57) |  |  | 1 |  |  | (11) |
Indian toll roads(3) |  | 117 |  |  | (25) |  |  | (6) |  |  | (9) |  |  | (3) |
Midstream |  |  |  |  |  |  |  |  |  |
North American gas storage operation |  | 371 |  |  | 95 |  |  | 36 |  |  | 65 |  |  | 22 |
Canadian diversified midstream operation(1) |  | 906 |  |  | 59 |  |  | 38 |  |  | 65 |  |  | 30 |
Western Canadian natural gas gathering and processing operation |  | 551 |  |  | 62 |  |  | 52 |  |  | 25 |  |  | 21 |
Data |  |  |  |  |  |  |  |  |  |
U.S. data center operation |  | 249 |  |  | (33) |  |  | 13 |  |  | (13) |  |  | 5 |
Australian data center operation |  | 23 |  |  | 3 |  |  | (8) |  |  | 1 |  |  | (3) |
U.K. telecom towers operation |  | 59 |  |  | (19) |  |  | (1) |  |  | (6) |  |  | — |
Indian telecom towers operation(1) |  | 1,257 |  |  | 1 |  |  | (80) |  |  | — |  |  | (16) |
Corporate |  |  |  |  |  |  |  |  |  |
Holding LP and other |  | 5 |  |  | 742 |  |  | — |  |  | 450 |  |  | 194 |
Total |  | $ | 11,233 |  |  | $ | 1,626 |  |  | $ | 24 |  |  | $ | 966 |  |  | $ | 257 |
|  | Year ended December 31, 2020
|  |  |  | Attributable to non-controlling interest |  | Attributable to unitholders
US$ MILLIONS |  | Revenue |  | Net Income (loss) |  | Other Comprehensive Income (loss) |  | Net Income (loss) |  | Other Comprehensive Income (loss)
Utilities |  |  |  |  |  |  |  |  |  |
U.K. regulated distribution operation |  | $ | 488 |  |  | $ | 11 |  |  | $ | 42 |  |  | $ | 46 |  |  | $ | 167 |
Colombian regulated distribution operation(2) |  | 6 |  |  | 2 |  |  | 156 |  |  | — |  |  | (6) |
Brazilian regulated transmission operation |  | 942 |  |  | 309 |  |  | (399) |  |  | 116 |  |  | (152) |
Colombian natural gas distribution operation |  | 793 |  |  | 39 |  |  | 34 |  |  | 7 |  |  | 13 |
Brazilian electricity transmission operation(1) |  | 40 |  |  | 9 |  |  | (25) |  |  | 4 |  |  | (11) |
Canadian district energy operation(2) |  | 127 |  |  | 5 |  |  | 115 |  |  | 2 |  |  | 39 |
U.S. district energy operation(2) |  | 137 |  |  | (14) |  |  | 58 |  |  | (9) |  |  | 38 |
North American residential energy infrastructure operation |  | 1,274 |  |  | 70 |  |  | (32) |  |  | 29 |  |  | (14) |
Indian gas transmission operation |  | 268 |  |  | (61) |  |  | (23) |  |  | (19) |  |  | (7) |
Transport |  |  |  |  |  |  |  |  |  |
Australian export terminal(4) |  | 297 |  |  | 163 |  |  | 35 |  |  | 54 |  |  | 16 |
North American Rail Operation |  | 1,974 |  |  | 86 |  |  | (153) |  |  | 11 |  |  | (16) |
U.K. port operation |  | 235 |  |  | 22 |  |  | 16 |  |  | 31 |  |  | 22 |
Australian port operation |  | 381 |  |  | (29) |  |  | 40 |  |  | (10) |  |  | 14 |
Chilean toll roads(2) |  | 116 |  |  | (21) |  |  | (21) |  |  | (6) |  |  | 2 |
Peruvian toll roads |  | 81 |  |  | 7 |  |  | (54) |  |  | 1 |  |  | (11) |
Indian toll roads(3) |  | 111 |  |  | (24) |  |  | (4) |  |  | (8) |  |  | (2) |
Midstream |  |  |  |  |  |  |  |  |  |
North American gas storage operation |  | 143 |  |  | (10) |  |  | 10 |  |  | (7) |  |  | 6 |
Western Canadian natural gas gathering and processing operation |  | 501 |  |  | 29 |  |  | (1) |  |  | 12 |  |  | (1) |
Data |  |  |  |  |  |  |  |  |  |
U.S. data center operation |  | 273 |  |  | (32) |  |  | (10) |  |  | (13) |  |  | (4) |
Australian data center operation |  | 24 |  |  | 4 |  |  | 12 |  |  | 1 |  |  | 5 |
U.K. telecom towers operation |  | 51 |  |  | (3) |  |  | 5 |  |  | (1) |  |  | 2 |
Indian telecom towers operation(1) |  | 360 |  |  | 5 |  |  | 69 |  |  | 3 |  |  | 14 |
Corporate |  |  |  |  |  |  |  |  |  |
Holding LP and other |  | 9 |  |  | (56) |  |  | — |  |  | (7) |  |  | 250 |
Total |  | $ | 8,631 |  |  | $ | 511 |  |  | $ | (130) |  |  | $ | 237 |  |  | $ | 364 |
|  | Year ended December 31, 2019
|  |  |  | Attributable to non-controlling interest |  | Attributable to unitholders
US$ MILLIONS |  | Revenue |  | Net Income (loss) |  | Other Comprehensive Income (loss) |  | Net Income (loss) |  | Other Comprehensive Income (loss)
Utilities |  |  |  |  |  |  |  |  |  |
U.K. regulated distribution operation |  | 478 |  |  | 24 |  |  | 71 |  |  | 103 |  |  | 278 |
Colombian regulated distribution operation(2) |  | 179 |  |  | 10 |  |  | (9) |  |  | 2 |  |  | (2) |
Brazilian regulated transmission operation |  | 1,141 |  |  | 349 |  |  | (83) |  |  | 132 |  |  | (33) |
Colombian natural gas distribution operation |  | 874 |  |  | 51 |  |  | (4) |  |  | 7 |  |  | — |
Brazilian transmission operation |  | 2 |  |  | 15 |  |  | (2) |  |  | 7 |  |  | (1) |
Canadian district energy operation |  | 121 |  |  | 6 |  |  | 85 |  |  | 2 |  |  | 29 |
U.S. district energy operation |  | 158 |  |  | (14) |  |  | 49 |  |  | (9) |  |  | 32 |
North American residential energy infrastructure operation |  | 956 |  |  | 3 |  |  | 63 |  |  | 2 |  |  | 26 |
Indian gas transmission operation |  | 266 |  |  | (39) |  |  | (33) |  |  | (12) |  |  | (10) |
Transport |  |  |  |  |  |  |  |  |  |
Australian export terminal(4) |  | 308 |  |  | 15 |  |  | (3) |  |  | 43 |  |  | (8) |
North American Rail Operation |  | — |  |  | — |  |  | (10) |  |  | — |  |  | (1) |
U.K. port operation |  | 197 |  |  | 4 |  |  | 19 |  |  | 7 |  |  | 27 |
Australian port operation |  | 462 |  |  | (24) |  |  | (1) |  |  | (7) |  |  | — |
Chilean toll roads |  | 162 |  |  | — |  |  | 27 |  |  | 2 |  |  | 16 |
Peruvian toll roads |  | 107 |  |  | 5 |  |  | 10 |  |  | 1 |  |  | 2 |
Indian toll roads(3) |  | 130 |  |  | (19) |  |  | (6) |  |  | (9) |  |  | (3) |
Midstream |  |  |  |  |  |  |  |  |  |
North American gas storage operation |  | 143 |  |  | 12 |  |  | 52 |  |  | 9 |  |  | 32 |
Western Canadian natural gas gathering and processing operation |  | 256 |  |  | 35 |  |  | 31 |  |  | 14 |  |  | 12 |
Data |  |  |  |  |  |  |  |  |  |
U.S. data center operation |  | 294 |  |  | (22) |  |  | (10) |  |  | (7) |  |  | (4) |
Australian data center operation |  | 20 |  |  | 6 |  |  | (3) |  |  | 2 |  |  | (1) |
U.K. telecom towers operation |  | — |  |  | — |  |  | (2) |  |  | — |  |  | (1) |
Corporate |  |  |  |  |  |  |  |  |  |
Holding LP and other |  | 25 |  |  | (5) |  |  | — |  |  | (295) |  |  | (26) |
Total |  | $ | 6,279 |  |  | $ | 412 |  |  | $ | 241 |  |  | $ | (6) |  |  | $ | 364 |
(1)Refer to Note 6, Acquisition of Businesses, for further details. (2)Refer to Note 5 , Disposition of Businesses, for further details. (3)Indian toll roads include our investments in BIF India Holdings Pte Ltd, Simhapuri Expressway Limited and Rayalseema Expressway Private Limited. (4)On December 7, 2020, our partnership completed the partial sale of an effective 22% interest in our Australian export terminal. Upon partial disposition, the operation ceased to meet the definition of a non-wholly owned subsidiary. The balance in the tables above reflect the period up until the date of partial disposition. Refer to Note 5, Disposition of Businesses, and Note 12, Investment in Associates and Joint Ventures, for further details. The following tables present summarized accounts for non-wholly owned subsidiaries on the Consolidated Statement of Cash Flows:
|  | Cash Flow Activities
|  | Year ended December 31, 2021 |  | Year ended December 31, 2020
US$ MILLIONS |  | Operating |  | Investing |  | Financing |  | Operating |  | Investing |  | Financing
Utilities |  |  |  |  |  |  |  |  |  |  |  |
U.K. regulated distribution operation |  | $ | 273 |  |  | $ | 344 |  |  | $ | (582) |  |  | $ | 241 |  |  | $ | (372) |  |  | $ | 133 |
Colombian regulated distribution operation(1) |  | — |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | (2) |
Brazilian regulated transmission operation |  | 768 |  |  | (32) |  |  | (473) |  |  | 634 |  |  | (34) |  |  | (588) |
Colombian natural gas distribution operation |  | 91 |  |  | (38) |  |  | (41) |  |  | 89 |  |  | (35) |  |  | (55) |
Brazilian electricity transmission operation(2) |  | 29 |  |  | 70 |  |  | (24) |  |  | 13 |  |  | — |  |  | (14) |
Canadian district energy operation(1) |  | 30 |  |  | (38) |  |  | 7 |  |  | 42 |  |  | (97) |  |  | 55 |
U.S. district energy operation(1) |  | 13 |  |  | (34) |  |  | 25 |  |  | 51 |  |  | (50) |  |  | — |
North American residential energy infrastructure operation |  | (79) |  |  | (107) |  |  | 189 |  |  | (42) |  |  | (5) |  |  | 45 |
Indian gas transmission operation |  | 187 |  |  | (51) |  |  | (120) |  |  | 136 |  |  | (14) |  |  | (117) |
U.K. residential infrastructure business(2) |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | — |
European residential infrastructure operation(2) |  | (6) |  |  | 15 |  |  | — |  |  | — |  |  | — |  |  | — |
Transport |  |  |  |  |  |  |  |  |  |  |  |
Australian export terminal(4) |  | — |  |  | — |  |  | — |  |  | 68 |  |  | (27) |  |  | (57) |
North American rail operation |  | 511 |  |  | (98) |  |  | (424) |  |  | 616 |  |  | (24) |  |  | (606) |
U.K. port operation |  | 66 |  |  | (53) |  |  | (24) |  |  | 42 |  |  | (25) |  |  | (11) |
Australian port operation |  | 11 |  |  | (21) |  |  | (18) |  |  | 28 |  |  | (32) |  |  | 26 |
Chilean toll roads(1) |  | 46 |  |  | (172) |  |  | 85 |  |  | 49 |  |  | (1) |  |  | (34) |
Peruvian toll roads |  | 30 |  |  | (27) |  |  | — |  |  | 18 |  |  | (22) |  |  | — |
Indian toll roads(3) |  | (2) |  |  | 3 |  |  | 5 |  |  | 11 |  |  | (18) |  |  | 19 |
Midstream |  |  |  |  |  |  |  |  |  |  |  |
North American gas storage operation |  | 196 |  |  | (35) |  |  | (179) |  |  | 68 |  |  | 12 |  |  | (53) |
Canadian diversified midstream operation(2) |  | 198 |  |  | (246) |  |  | 108 |  |  | — |  |  | — |  |  | — |
Western Canadian natural gas gathering and processing operation |  | 235 |  |  | (91) |  |  | (135) |  |  | 156 |  |  | (299) |  |  | 114 |
Data |  |  |  |  |  |  |  |  |  |  |  |
U.S. data center operation |  | 38 |  |  | (25) |  |  | (15) |  |  | 77 |  |  | (16) |  |  | (63) |
Australian data center operation |  | 16 |  |  | (105) |  |  | 104 |  |  | 7 |  |  | (3) |  |  | (3) |
U.K. telecom towers operation |  | 16 |  |  | (15) |  |  | 2 |  |  | 27 |  |  | (20) |  |  | (9) |
Indian telecom towers operation(2) |  | 189 |  |  | (416) |  |  | 261 |  |  | 245 |  |  | (3,451) |  |  | 3,331 |
Corporate |  |  |  |  |  |  |  |  |  |  |  |
Holding LP and other |  | (171) |  |  | 22 |  |  | 322 |  |  | (182) |  |  | (4) |  |  | 89 |
Total |  | $ | 2,685 |  |  | $ | (1,149) |  |  | $ | (927) |  |  | $ | 2,396 |  |  | $ | (4,537) |  |  | $ | 2,200 |
|  | Cash Flow Activities
|  | Year ended December 31, 2019
US$ MILLIONS |  | Operating |  | Investing |  | Financing
Utilities |  |  |  |  |  |
U.K. regulated distribution operation |  | $ | 271 |  |  | $ | (416) |  |  | $ | 147 |
Colombian regulated distribution operation(1) |  | 26 |  |  | (24) |  |  | (4) |
Brazilian regulated transmission operation |  | 839 |  |  | (21) |  |  | (702) |
Colombian natural gas distribution operation |  | 72 |  |  | (38) |  |  | (73) |
Brazilian electricity transmission operation |  | 22 |  |  | (4) |  |  | (6) |
Canadian district energy operation(1) |  | 53 |  |  | (68) |  |  | 14 |
U.S. district energy operation(1) |  | 22 |  |  | (29) |  |  | 2 |
North American residential energy infrastructure business |  | 128 |  |  | (228) |  |  | 87 |
Indian gas transmission operation |  | 208 |  |  | (1,950) |  |  | 1,746 |
Transport |  |  |  |  |  |
Australian export terminal(4) |  | 91 |  |  | (23) |  |  | (55) |
North American rail operation |  | — |  |  | (6,460) |  |  | 6,578 |
U.K. port operation |  | 27 |  |  | (43) |  |  | 9 |
Australian port operation |  | 52 |  |  | (45) |  |  | (10) |
Chilean toll roads(1) |  | 62 |  |  | (2) |  |  | (55) |
Peruvian toll roads |  | 47 |  |  | (39) |  |  | — |
Indian toll roads(3) |  | 7 |  |  | (9) |  |  | (29) |
Midstream |  |  |  |  |  |
North American gas storage operation |  | 83 |  |  | (10) |  |  | (63) |
Western Canadian natural gas gathering and processing business |  | 92 |  |  | (1,396) |  |  | 1,339 |
Data |  |  |  |  |  |
U.S. data center operation |  | 51 |  |  | (6) |  |  | (35) |
Australian data center operation |  | — |  |  | (277) |  |  | 286 |
U.K. telecom towers operation |  | 3 |  |  | (280) |  |  | 289 |
Corporate |  |  |  |  |  |
Holding LP and other |  | (46) |  |  | 243 |  |  | (128) |
Total |  | $ | 2,110 |  |  | $ | (11,125) |  |  | $ | 9,337 |
(1)Refer to Note 5, Disposition of Businesses, for further details. (2)Refer to Note 6, Acquisition of Businesses, for further details. (3)Indian toll roads include our investments in BIF India Holdings Pte Ltd, Simhapuri Expressway Limited and Rayalseema Expressway Private Limited. (4)On December 7, 2020, our partnership completed the partial sale of an effective 22% interest in our Australian export terminal. Upon partial disposition, the operation ceased to meet the definition of a non-wholly owned subsidiary. The balance in the tables above reflect the period up until the date of partial disposition. Refer to Note 5, Disposition of Businesses, and Note 12, Investment in Associates and Joint Ventures, for further details.

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