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SEGMENT INFORMATION - Operating Segments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | $ 11,537 | $ 8,885 | $ 6,597
Direct operating costs | [1] | (8,247) | (6,548) | (4,609)
Cost of sales, less depreciation and amortization |  | (6,211) | (4,843) | (3,395)
General and administrative costs |  | (406) | (312) | (279)
Other (expense) income |  | (210) | (87) | (28)
Interest expense |  | (1,468) | (1,179) | (904)
Depreciation and amortization |  | (2,036) | (1,705) | (1,214)
Deferred taxes |  | (240) | (54) | (28)
Mark-to-market on hedging items and other |  | 1,665 | 68 | (323)
Share of earnings from associates |  | 88 | 131 | 224
Net income attributable to non-controlling interest |  | (1,626) | (510) | (417)
Net income (loss) attributable to partnership |  | 1,093 | 394 | 233
Utilities |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 4,622 | 4,083 | 4,265
Transport |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 3,497 | 3,449 | 1,617
Midstream |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 1,829 | 643 | 399
Data |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 1,589 | 710 | 316
Operating segments |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 5,411 | 4,098 | 3,873
Direct operating costs |  | (2,554) | (1,793) | (1,695)
General and administrative costs |  | (406) | (312) | (279)
Other (expense) income |  | 37 | 84 | 70
Interest expense |  | (755) | (623) | (585)
FFO |  | 1,733 | 1,454 | 1,384
Depreciation and amortization |  | (1,144) | (1,034) | (895)
Deferred taxes |  | (168) | 3 | (77)
Mark-to-market on hedging items and other |  | 672 | (29) | (179)
Share of earnings from associates |  | 0 | 0 | 0
Net income attributable to non-controlling interest |  | 0 | 0 | 0
Net income (loss) attributable to partnership |  | 1,093 | 394 | 233
Operating segments | Utilities |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 1,623 | 1,434 | 1,432
Direct operating costs |  | (681) | (580) | (582)
General and administrative costs |  | 0 | 0 | 0
Other (expense) income |  | (64) | (43) | (31)
Interest expense |  | (173) | (152) | (147)
FFO |  | 705 | 659 | 672
Operating segments | Transport |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 2,062 | 1,573 | 1,614
Direct operating costs |  | (1,094) | (767) | (781)
General and administrative costs |  | 0 | 0 | 0
Other (expense) income |  | (8) | (2) | (3)
Interest expense |  | (259) | (214) | (227)
FFO |  | 701 | 590 | 603
Operating segments | Midstream |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 1,101 | 572 | 491
Direct operating costs |  | (489) | (193) | (171)
General and administrative costs |  | 0 | 0 | 0
Other (expense) income |  | (4) | 3 | 10
Interest expense |  | (116) | (93) | (86)
FFO |  | 492 | 289 | 244
Operating segments | Data |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 625 | 519 | 336
Direct operating costs |  | (290) | (253) | (161)
General and administrative costs |  | 0 | 0 | 0
Other (expense) income |  | 7 | (1) | 3
Interest expense |  | (104) | (69) | (42)
FFO |  | 238 | 196 | 136
Operating segments | Corporate |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 0 | 0 | 0
Direct operating costs |  | 0 | 0 | 0
General and administrative costs |  | (406) | (312) | (279)
Other (expense) income |  | 106 | 127 | 91
Interest expense |  | (103) | (95) | (83)
FFO |  | (403) | (280) | (271)
Contribution from investments in associates |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | (1,976) | (1,379) | (1,424)
Direct operating costs |  | 964 | 600 | 649
General and administrative costs |  | 0 | 0 | 0
Other (expense) income |  | 9 | 17 | 11
Interest expense |  | 258 | 177 | 173
Depreciation and amortization |  | 480 | 471 | 399
Deferred taxes |  | (10) | (65) | 52
Mark-to-market on hedging items and other |  | 187 | 48 | (84)
Share of earnings from associates |  | 88 | 131 | 224
Net income attributable to non-controlling interest |  | 0 | 0 | 0
Net income (loss) attributable to partnership |  | 0 | 0 | 0
Attributable to non- controlling interest |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenues |  | 8,102 | 6,166 | 4,148
Direct operating costs |  | (4,621) | (3,650) | (2,349)
General and administrative costs |  | 0 | 0 | 0
Other (expense) income |  | (256) | (188) | (109)
Interest expense |  | (971) | (733) | (492)
Depreciation and amortization |  | (1,372) | (1,142) | (718)
Deferred taxes |  | (62) | 8 | (3)
Mark-to-market on hedging items and other |  | 806 | 49 | (60)
Share of earnings from associates |  | 0 | 0 | 0
Net income attributable to non-controlling interest |  | (1,626) | (510) | (417)
Net income (loss) attributable to partnership |  | $ 0 | $ 0 | $ 0
[1] | During the fourth quarter of 2021, the partnership reclassified $2,036 million of depreciation and amortization expenses, which were previously presented as a separate line item, to direct operating costs. Prior period amounts were also adjusted to reflect this change, which resulted in an increase to direct operating costs by $1,705 million and $1,214 million for years ended December 31, 2020 and 2019, respectively, with equal and offsetting decreases to depreciation and amortization expense. This reclassification had no impact on revenues, net income, or basic and diluted earnings per limited partner unit.

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