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SEGMENT INFORMATION (Operating Segments) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of operating segments [line items] |  |  |
Revenues | $ 3,535 | $ 2,115 | $ 1,855
Costs attributed to revenues | (1,509) | (1,063) | (798)
General and administrative costs | (239) | (166) | (134)
Other income (expense) | (61) | 95 | 36
Interest expense | (428) | (392) | (367)
Depreciation and amortization | (671) | (447) | (375)
Deferred taxes | (67) | 18 | 26
Mark-to-market on hedging items and other | (82) | 133 | 79
Share of earnings from associates | 118 | 248 | 69
Net income attributable to non-controlling interest and preferred unitholders | (471) | (54) | (90)
Net income (loss) attributable to partnership | 125 | 487 | 301
Reportable segments |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 3,301 | 2,590 | 2,313
Costs attributed to revenues | (1,498) | (1,102) | (1,002)
General and administrative costs | (239) | (166) | (134)
Adjusted EBITDA | 1,564 | 1,322 | 1,177
Other income (expense) | 40 | 78 | 27
Interest expense | (434) | (456) | (396)
Funds From Operations | 1,170 | 944 | 808
Depreciation and amortization | (726) | (609) | (506)
Deferred taxes | (7) | 5 | 53
Mark-to-market on hedging items and other | (312) | 147 | (54)
Share of earnings from associates | 0 | 0 | 0
Net income attributable to non-controlling interest and preferred unitholders | 0 | 0 | 0
Net income (loss) attributable to partnership | 125 | 487 | 301
Reportable segments | Utilities |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 988 | 684 | 698
Costs attributed to revenues | (250) | (160) | (174)
General and administrative costs | 0 | 0 | 0
Adjusted EBITDA | 738 | 524 | 524
Other income (expense) | (14) | 5 | 5
Interest expense | (114) | (130) | (142)
Funds From Operations | 610 | 399 | 387
Depreciation and amortization | (186) | (154) | (153)
Deferred taxes | (52) | 5 | (8)
Mark-to-market on hedging items and other | (59) | (88) | (16)
Share of earnings from associates | 0 | 0 | 0
Net income attributable to non-controlling interest and preferred unitholders | 0 | 0 | 0
Net income (loss) attributable to partnership | 313 | 162 | 210
Reportable segments | Transport |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 1,589 | 1,247 | 1,143
Costs attributed to revenues | (895) | (650) | (588)
General and administrative costs | 0 | 0 | 0
Adjusted EBITDA | 694 | 597 | 555
Other income (expense) | (4) | (17) | (15)
Interest expense | (158) | (157) | (142)
Funds From Operations | 532 | 423 | 398
Depreciation and amortization | (312) | (253) | (217)
Deferred taxes | (1) | 26 | 21
Mark-to-market on hedging items and other | (80) | 10 | (67)
Share of earnings from associates | 0 | 0 | 0
Net income attributable to non-controlling interest and preferred unitholders | 0 | 0 | 0
Net income (loss) attributable to partnership | 139 | 206 | 135
Reportable segments | Energy |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 559 | 496 | 349
Costs attributed to revenues | (278) | (220) | (183)
General and administrative costs | 0 | 0 | 0
Adjusted EBITDA | 281 | 276 | 166
Other income (expense) | 15 | 8 | 3
Interest expense | (87) | (109) | (79)
Funds From Operations | 209 | 175 | 90
Depreciation and amortization | (151) | (128) | (90)
Deferred taxes | 11 | (38) | 14
Mark-to-market on hedging items and other | (37) | 81 | (14)
Share of earnings from associates | 0 | 0 | 0
Net income attributable to non-controlling interest and preferred unitholders | 0 | 0 | 0
Net income (loss) attributable to partnership | 32 | 90 | 0
Reportable segments | Comm. Infrastructure |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 165 | 163 | 123
Costs attributed to revenues | (75) | (72) | (57)
General and administrative costs | 0 | 0 | 0
Adjusted EBITDA | 90 | 91 | 66
Other income (expense) | (2) | (2) | 0
Interest expense | (12) | (12) | (6)
Funds From Operations | 76 | 77 | 60
Depreciation and amortization | (77) | (74) | (46)
Deferred taxes | 21 | 29 | 14
Mark-to-market on hedging items and other | (9) | (5) | (13)
Share of earnings from associates | 0 | 0 | 0
Net income attributable to non-controlling interest and preferred unitholders | 0 | 0 | 0
Net income (loss) attributable to partnership | 11 | 27 | 15
Reportable segments | Corporate |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 0 | 0 | 0
Costs attributed to revenues | 0 | 0 | 0
General and administrative costs | (239) | (166) | (134)
Adjusted EBITDA | (239) | (166) | (134)
Other income (expense) | 45 | 84 | 34
Interest expense | (63) | (48) | (27)
Funds From Operations | (257) | (130) | (127)
Depreciation and amortization | 0 | 0 | 0
Deferred taxes | 14 | (17) | 12
Mark-to-market on hedging items and other | (127) | 149 | 56
Share of earnings from associates | 0 | 0 | 0
Net income attributable to non-controlling interest and preferred unitholders | 0 | 0 | 0
Net income (loss) attributable to partnership | (370) | 2 | (59)
Contribution from investments in associates |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | (1,624) | (1,311) | (1,044)
Costs attributed to revenues | 861 | 651 | 546
General and administrative costs | 0 | 0 | 0
Adjusted EBITDA | (763) | (660) | (498)
Other income (expense) | 7 | 16 | 13
Interest expense | 172 | 190 | 144
Funds From Operations | (584) | (454) | (341)
Depreciation and amortization | 382 | 328 | 246
Deferred taxes | (22) | 9 | (41)
Mark-to-market on hedging items and other | 106 | (131) | 67
Share of earnings from associates | 118 | 248 | 69
Net income attributable to non-controlling interest and preferred unitholders | 0 | 0 | 0
Net income (loss) attributable to partnership | 0 | 0 | 0
Attributable to non- controlling interest |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 1,858 | 836 | 586
Costs attributed to revenues | (872) | (612) | (342)
General and administrative costs | 0 | 0 | 0
Adjusted EBITDA | 986 | 224 | 244
Other income (expense) | (108) | 1 | (4)
Interest expense | (166) | (126) | (115)
Funds From Operations | 712 | 99 | 125
Depreciation and amortization | (327) | (166) | (115)
Deferred taxes | (38) | 4 | 14
Mark-to-market on hedging items and other | 124 | 117 | 66
Share of earnings from associates | 0 | 0 | 0
Net income attributable to non-controlling interest and preferred unitholders | (471) | (54) | (90)
Net income (loss) attributable to partnership | $ 0 | $ 0 | $ 0

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