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Segment Information - Segment Adjusted EBITDA (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 2,460 $ 2,172
Sales-type lease revenue 37 34
Income from equity method investments 186 157
Revenues 3,124 2,846
Purchased product costs 459 369
Capital Expenditures 268 210
Nonrelated Party [Member]    
Segment Reporting Information [Line Items]    
Rental income 64 60
Other Income 10 45
Crude Oil and Products Logistics    
Segment Reporting Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 1,166 1,072
Crude Oil and Products Logistics | Nonrelated Party [Member]    
Segment Reporting Information [Line Items]    
Revenues 177 182
Natural Gas and NGL Services    
Segment Reporting Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 1,294 1,100
Natural Gas and NGL Services | Nonrelated Party [Member]    
Segment Reporting Information [Line Items]    
Revenues 1,439 1,237
Operating Segments    
Segment Reporting Information [Line Items]    
Adjusted EBITDA 1,757 1,635
Operating Segments | Crude Oil and Products Logistics    
Segment Reporting Information [Line Items]    
Rental income 219 224
Sales-type lease revenue 115 121
Income from equity method investments 56 64
Other Income 36 50
Revenues [1] 1,592 1,531
Operating Expenses 528 494
Segment Reporting, Other Segment Item, Amount [2] (33) (22)
Adjusted EBITDA [3] 1,097 1,059
Capital Expenditures 115 84
Investments in unconsolidated affiliates 0 92 [4]
Operating Segments | Crude Oil and Products Logistics | Pro rata share of JV debt repayment    
Segment Reporting Information [Line Items]    
Investments in unconsolidated affiliates   92
Operating Segments | Natural Gas and NGL Services    
Segment Reporting Information [Line Items]    
Rental income 56 53
Sales-type lease revenue 37 34
Income from equity method investments 130 93
Other Income 15 35
Revenues [1] 1,532 1,315
Purchased product costs 459 369
Operating Expenses 445 415
Segment Reporting, Other Segment Item, Amount [2] (32) (45)
Adjusted EBITDA [3] 660 576
Capital Expenditures 153 126
Investments in unconsolidated affiliates 119 27
Service [Member] | Operating Segments | Crude Oil and Products Logistics    
Segment Reporting Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 1,162 1,067
Service [Member] | Operating Segments | Natural Gas and NGL Services    
Segment Reporting Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 611 577
Product [Member] | Operating Segments | Crude Oil and Products Logistics    
Segment Reporting Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 4 5
Product [Member] | Operating Segments | Natural Gas and NGL Services    
Segment Reporting Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 683 $ 523
[1] Within the total segment revenues and other income amounts presented above, third-party revenues for the Crude Oil and Products Logistics segment were $177 million and $182 million for the three months ended March 31, 2025 and March 31, 2024, respectively. Third-party revenues for the Natural Gas and NGL Services segment were $1,439 million and $1,237 million for the three months ended March 31, 2025 and March 31, 2024, 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 Crude Oil and Products Logistics segment for the three months ended March 31, 2024 includes a contribution of $92 million to Dakota Access to fund our share of a debt repayment by the joint venture. Investments in unconsolidated affiliates in the Natural Gas and NGL Services segment for the three months ended March 31, 2025 includes cash contributions to several joint ventures to fund current growth capital projects.