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Segment Information - Segment Adjusted EBITDA (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Jun. 16, 2025 | Mar. 31, 2026 | Mar. 31, 2025
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  | $ 2,349 |  | $ 2,460
Sales-type lease revenue |  |  | 48 |  | 37
Income from equity method investments |  |  | 182 |  | 186
Revenues |  |  | 3,038 |  | 3,124
Purchased product costs |  |  | 498 |  | 459
Capital Expenditures |  |  | 665 |  | 268
Investments - acquisitions and contributions |  |  | 238 |  | 119
Nonrelated Party [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Rental income |  |  | 65 |  | 64
Other Income |  |  | 7 |  | 10
Crude Oil and Products Logistics |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  | 1,179 |  | 1,166
Crude Oil and Products Logistics | Nonrelated Party [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 162 |  | 177
Natural Gas and NGL Services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  | 1,170 |  | 1,294
Natural Gas and NGL Services | MXP Parent, LLC |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Investments - acquisitions and contributions |  | $ 151 |  |  |
Natural Gas and NGL Services | Nonrelated Party [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 1,331 |  | 1,439
Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Adjusted EBITDA |  |  | 1,729 |  | 1,757
Operating Segments | Crude Oil and Products Logistics |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Rental income |  |  | 249 |  | 219
Sales-type lease revenue |  |  | 102 |  | 115
Income from equity method investments |  |  | 62 |  | 56
Other Income |  |  | 28 |  | 36
Revenues | [1] |  | 1,620 |  | 1,592
Operating Expenses |  |  | 540 |  | 528
Segment Reporting, Other Segment Item, Amount | [2] |  | (31) |  | (33)
Adjusted EBITDA | [3] |  | 1,111 |  | 1,097
Capital Expenditures |  |  | 104 |  | 115
Operating Segments | Natural Gas and NGL Services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Rental income |  |  | 58 |  | 56
Sales-type lease revenue |  |  | 48 |  | 37
Income from equity method investments |  |  | 120 |  | 130
Other Income |  |  | 22 |  | 15
Revenues | [1] |  | 1,418 |  | 1,532
Purchased product costs |  |  | 498 |  | 459
Operating Expenses |  |  | 428 |  | 445
Segment Reporting, Other Segment Item, Amount | [2] |  | (126) |  | (32)
Adjusted EBITDA | [3] |  | 618 |  | 660
Capital Expenditures |  |  | 561 |  | 153
Investments in unconsolidated affiliates |  |  | 237 | [4] | 119
Service [Member] | Operating Segments | Crude Oil and Products Logistics |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  | 1,175 |  | 1,162
Service [Member] | Operating Segments | Natural Gas and NGL Services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  | 626 |  | 611
Product [Member] | Operating Segments | Crude Oil and Products Logistics |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  | 4 |  | 4
Product [Member] | Operating Segments | Natural Gas and NGL Services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  | $ 544 |  | $ 683
[1] | Within the total segment revenues and other income amounts presented above, third-party revenues for the Crude Oil and Products Logistics segment were $162 million and $177 million for the three months ended March 31, 2026 and March 31, 2025, respectively. Third-party revenues for the Natural Gas and NGL Services segment were $1,331 million and $1,439 million for the three months ended March 31, 2026 and March 31, 2025, respectively.
[2] | Other segment items in the Crude Oil and Products Logistics segment include income from equity method investments, distributions and adjustments related to equity method investments, equity-based compensation and other miscellaneous items. Other segment items in the Natural Gas and NGL Services segment include income from equity method investments, distributions and adjustments related to equity method investments, unrealized derivative gain/loss and other miscellaneous items.
[3] | See below for the reconciliation from Segment Adjusted EBITDA to Net income.
[4] | Investments in unconsolidated affiliates in the Natural Gas and NGL Services segment for the three months ended March 31, 2026 and March 31, 2025 includes cash contributions to several joint ventures to fund current growth capital projects.

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