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Business Segments and Related Information (Tables) | 12 Months Ended
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Dec. 31, 2024
Business Segments [Abstract] |
Measurement of Total Segment Gross Operating Margin | The following table presents a reconciliation of total segment gross operating margin to income before income taxes for the years indicated:
|  | For the Year Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Total segment gross operating margin |  | $ | 10,018 |  |  | $ | 9,376 |  |  | $ | 9,356 |
Adjustments to reconcile total segment gross operating margin to income before income taxes (addition or subtraction indicated by sign): |  |  |  |  |  |  |  |  |  |  |  |
Depreciation, amortization and accretion expense in operating costs and expenses (1) |  |  | (2,343 | ) |  |  | (2,215 | ) |  |  | (2,107 | )
Asset impairment charges in operating costs and expenses |  |  | (57 | ) |  |  | (30 | ) |  |  | (53 | )
Net gains (losses) attributable to asset sales and related matters in operating costs and expenses |  |  | (2 | ) |  |  | 10 |  |  |  | (1 | )
General and administrative costs |  |  | (244 | ) |  |  | (231 | ) |  |  | (241 | )
Non-refundable payments received from shippers attributable to make-up rights (2) |  |  | (75 | ) |  |  | (52 | ) |  |  | (144 | )
Subsequent recognition of revenues attributable to make-up rights (3) |  |  | 41 |  |  |  | 71 |  |  |  | 97 |
Total other expense, net (4) |  |  | (1,303 | ) |  |  | (1,228 | ) |  |  | (1,210 | )
Income before income taxes |  | $ | 6,035 |  |  | $ | 5,701 |  |  | $ | 5,697 |
(1) | Excludes amortization of major maintenance costs for reaction-based plants and amortization of finance lease right-of-use assets, which are a component of gross operating margin.
(2) | Since make-up rights entail a future performance obligation by the pipeline to the shipper, these receipts are recorded as deferred revenue for GAAP purposes; however, these receipts are included in gross operating margin in the period of receipt since they are nonrefundable to the shipper.
(3) | As deferred revenues attributable to make-up rights are subsequently recognized as revenue under GAAP, gross operating margin must be adjusted to remove such amounts to prevent duplication since the associated non-refundable payments were previously included in gross operating margin.
(4) | As presented on our Statements of Consolidated Operations, Total other expense, net is comprised of Interest expense, Interest income and Other, net.
Information by Business Segments | The following tables present segment revenues and significant segment expenses by segment, together with a reconciliation to segment gross operating margin, for the periods indicated:
|  | For the Year Ended December 31, 2024 |
|  | NGL Pipelines & Services |  |  | Crude Oil Pipelines & Services |  |  | Natural Gas Pipelines & Services |  |  | Petrochemical & Refined Products Services |  |  | Segment Total |
Segment revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from third parties |  | $ | 20,264 |  |  | $ | 21,546 |  |  | $ | 2,992 |  |  | $ | 11,359 |  |  | $ | 56,161 |
Revenues from related parties |  |  | 12 |  |  |  | 34 |  |  |  | 12 |  |  |  | – |  |  |  | 58 |
Intersegment and intrasegment revenues |  |  | 48,822 |  |  |  | 54,415 |  |  |  | 667 |  |  |  | 25,352 |  |  |  | 129,256 |
Total segment revenues |  |  | 69,098 |  |  |  | 75,995 |  |  |  | 3,671 |  |  |  | 36,711 |  |  |  | 185,475 |
Significant segment expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  | 61,260 |  |  |  | 74,098 |  |  |  | 1,656 |  |  |  | 33,755 |  |  |  | 170,769 |
Variable operating costs and expenses (1) |  |  | 745 |  |  |  | 132 |  |  |  | 73 |  |  |  | 373 |  |  |  | 1,323 |
Fixed operating costs and expenses (2) |  |  | 1,682 |  |  |  | 414 |  |  |  | 676 |  |  |  | 1,048 |  |  |  | 3,820 |
Total significant segment expenses |  |  | 63,687 |  |  |  | 74,644 |  |  |  | 2,405 |  |  |  | 35,176 |  |  |  | 175,912 |
Other segment income (expense): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income of unconsolidated affiliates |  |  | 117 |  |  |  | 285 |  |  |  | 5 |  |  |  | 1 |  |  |  | 408 |
Other segment items (3) |  |  | 20 |  |  |  | 10 |  |  |  | 6 |  |  |  | 11 |  |  |  | 47 |
Total other segment income (expense), net |  |  | 137 |  |  |  | 295 |  |  |  | 11 |  |  |  | 12 |  |  |  | 455 |
Total segment gross operating margin |  | $ | 5,548 |  |  | $ | 1,646 |  |  | $ | 1,277 |  |  | $ | 1,547 |  |  | $ | 10,018 |
Other financial information: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  | $ | 2,498 |  |  | $ | 161 |  |  | $ | 932 |  |  | $ | 953 |  |  | $ | 4,544 |
(1) | Variable operating costs and expenses represent the cost of operating our plants, pipelines and other fixed assets that generally fluctuate based on utilization.
(2) | Fixed operating costs and expenses represent the cost of operating our plants, pipelines and other fixed assets that generally remain constant independent of utilization.
(3) | Other segment items for each segment primarily represent the following: • NGL Pipelines & Services – Non-refundable payments received from shippers attributable to make-up rights, subsequent recognition of revenues attributable to make-up rights, and other segment expenses. • Crude Oil Pipelines & Services – Other segment expenses. • Natural Gas Pipelines & Services – Other segment expenses. • Petrochemical & Refined Products Services – Other segment expenses.
|  | For the Year Ended December 31, 2023 |
|  | NGL Pipelines & Services |  |  | Crude Oil Pipelines & Services |  |  | Natural Gas Pipelines & Services |  |  | Petrochemical & Refined Products Services |  |  | Segment Total |
Segment revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from third parties |  | $ | 17,635 |  |  | $ | 19,300 |  |  | $ | 3,761 |  |  | $ | 8,958 |  |  | $ | 49,654 |
Revenues from related parties |  |  | 10 |  |  |  | 36 |  |  |  | 15 |  |  |  | – |  |  |  | 61 |
Intersegment and intrasegment revenues |  |  | 45,490 |  |  |  | 57,122 |  |  |  | 527 |  |  |  | 18,882 |  |  |  | 122,021 |
Total segment revenues |  |  | 63,135 |  |  |  | 76,458 |  |  |  | 4,303 |  |  |  | 27,840 |  |  |  | 171,736 |
Significant segment expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  | 56,143 |  |  |  | 74,437 |  |  |  | 2,583 |  |  |  | 24,810 |  |  |  | 157,973 |
Variable operating costs and expenses (1) |  |  | 741 |  |  |  | 191 |  |  |  | 59 |  |  |  | 397 |  |  |  | 1,388 |
Fixed operating costs and expenses (2) |  |  | 1,589 |  |  |  | 403 |  |  |  | 595 |  |  |  | 877 |  |  |  | 3,464 |
Total significant segment expenses |  |  | 58,473 |  |  |  | 75,031 |  |  |  | 3,237 |  |  |  | 26,084 |  |  |  | 162,825 |
Other segment income (expense): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income of unconsolidated affiliates |  |  | 133 |  |  |  | 320 |  |  |  | 6 |  |  |  | 3 |  |  |  | 462 |
Other segment items (3) |  |  | 103 |  |  |  | (40 | ) |  |  | 5 |  |  |  | (65 | ) |  |  | 3 |
Total other segment income (expense), net |  |  | 236 |  |  |  | 280 |  |  |  | 11 |  |  |  | (62 | ) |  |  | 465 |
Total segment gross operating margin |  | $ | 4,898 |  |  | $ | 1,707 |  |  | $ | 1,077 |  |  | $ | 1,694 |  |  | $ | 9,376 |
Other financial information: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  | $ | 1,366 |  |  | $ | 119 |  |  | $ | 793 |  |  | $ | 988 |  |  | $ | 3,266 |
(1) | Variable operating costs and expenses represent the cost of operating our plants, pipelines and other fixed assets that generally fluctuate based on utilization.
(2) | Fixed operating costs and expenses represent the cost of operating our plants, pipelines and other fixed assets that generally remain constant independent of utilization.
(3) | Other segment items for each segment primarily represent the following: • NGL Pipelines & Services – Non-refundable payments received from shippers attributable to make-up rights, subsequent recognition of revenues attributable to make-up rights, and other segment expenses. • Crude Oil Pipelines & Services – Subsequent recognition of revenues attributable to make-up rights. • Natural Gas Pipelines & Services – Other segment expenses. • Petrochemical & Refined Products Services – Other segment expenses.
|  | For the Year Ended December 31, 2022 |
|  | NGL Pipelines & Services |  |  | Crude Oil Pipelines & Services |  |  | Natural Gas Pipelines & Services |  |  | Petrochemical & Refined Products Services |  |  | Segment Total |
Segment revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from third parties |  | $ | 24,244 |  |  | $ | 18,548 |  |  | $ | 6,229 |  |  | $ | 9,106 |  |  | $ | 58,127 |
Revenues from related parties |  |  | 15 |  |  |  | 13 |  |  |  | 31 |  |  |  | – |  |  |  | 59 |
Intersegment and intrasegment revenues |  |  | 65,760 |  |  |  | 46,625 |  |  |  | 888 |  |  |  | 18,304 |  |  |  | 131,577 |
Total segment revenues |  |  | 90,019 |  |  |  | 65,186 |  |  |  | 7,148 |  |  |  | 27,410 |  |  |  | 189,763 |
Significant segment expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  | 82,957 |  |  |  | 63,325 |  |  |  | 5,532 |  |  |  | 24,556 |  |  |  | 176,370 |
Variable operating costs and expenses (1) |  |  | 769 |  |  |  | 173 |  |  |  | 54 |  |  |  | 473 |  |  |  | 1,469 |
Fixed operating costs and expenses (2) |  |  | 1,412 |  |  |  | 386 |  |  |  | 532 |  |  |  | 804 |  |  |  | 3,134 |
Total significant segment expenses |  |  | 85,138 |  |  |  | 63,884 |  |  |  | 6,118 |  |  |  | 25,833 |  |  |  | 180,973 |
Other segment income (expense): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income of unconsolidated affiliates |  |  | 149 |  |  |  | 308 |  |  |  | 5 |  |  |  | 2 |  |  |  | 464 |
Other segment items (3) |  |  | 112 |  |  |  | 45 |  |  |  | 7 |  |  |  | (62 | ) |  |  | 102 |
Total other segment income (expense), net |  |  | 261 |  |  |  | 353 |  |  |  | 12 |  |  |  | (60 | ) |  |  | 566 |
Total segment gross operating margin |  | $ | 5,142 |  |  | $ | 1,655 |  |  | $ | 1,042 |  |  | $ | 1,517 |  |  | $ | 9,356 |
Other financial information: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  | $ | 624 |  |  | $ | 84 |  |  | $ | 344 |  |  | $ | 912 |  |  | $ | 1,964 |
(1) | Variable operating costs and expenses represent the cost of operating our plants, pipelines and other fixed assets that generally fluctuate based on utilization.
(2) | Fixed operating costs and expenses represent the cost of operating our plants, pipelines and other fixed assets that generally remain constant independent of utilization.
(3) | Other segment items for each segment primarily represent the following: • NGL Pipelines & Services – Non-refundable payments received from shippers attributable to make-up rights, subsequent recognition of revenues attributable to make-up rights, and other segment expenses. • Crude Oil Pipelines & Services – Non-refundable payments received from shippers attributable to make-up rights, subsequent recognition of revenues attributable to make-up rights, and other segment expenses. • Natural Gas Pipelines & Services – Other segment expenses. • Petrochemical & Refined Products Services – Other segment expenses.
The following table reconciles total segment revenues as reported in the preceding tables to consolidated revenues as presented on our Statements of Consolidated Operations:
|  | For the Year Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Segment revenues: |  |  |  |  |  |  |  |  |
NGL Pipelines & Services |  | $ | 69,098 |  |  | $ | 63,135 |  |  | $ | 90,019 |
Crude Oil Pipelines & Services |  |  | 75,995 |  |  |  | 76,458 |  |  |  | 65,186 |
Natural Gas Pipelines & Services |  |  | 3,671 |  |  |  | 4,303 |  |  |  | 7,148 |
Petrochemical & Refined Products Services |  |  | 36,711 |  |  |  | 27,840 |  |  |  | 27,410 |
Total segment revenues |  |  | 185,475 |  |  |  | 171,736 |  |  |  | 189,763 |
Elimination of intersegment and intrasegment revenues |  |  | (129,256 | ) |  |  | (122,021 | ) |  |  | (131,577 | )
Total consolidated revenues |  | $ | 56,219 |  |  | $ | 49,715 |  |  | $ | 58,186 |
The following table presents our segment assets, together with a reconciliation to our consolidated total assets, at the dates indicated:
|  | December 31, |
|  | 2024 |  |  | 2023 |
NGL Pipelines & Services |  | $ | 21,900 |  |  | $ | 21,792 |
Crude Oil Pipelines & Services |  |  | 11,390 |  |  |  | 11,822 |
Natural Gas Pipelines & Services |  |  | 12,260 |  |  |  | 11,210 |
Petrochemical & Refined Products Services |  |  | 11,350 |  |  |  | 10,443 |
Total segment assets |  |  | 56,900 |  |  |  | 55,267 |
Construction in progress |  |  | 4,138 |  |  |  | 2,245 |
Current assets |  |  | 15,133 |  |  |  | 12,248 |
Other assets |  |  | 997 |  |  |  | 1,222 |
Consolidated total assets |  | $ | 77,168 |  |  | $ | 70,982 |
Consolidated Revenues and Expenses | The following table presents additional information regarding our consolidated revenues and costs and expenses for the years indicated:
|  | For the Year Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Consolidated revenues: |  |  |  |  |  |  |  |  |
NGL Pipelines & Services |  | $ | 20,276 |  |  | $ | 17,645 |  |  | $ | 24,259 |
Crude Oil Pipelines & Services |  |  | 21,580 |  |  |  | 19,336 |  |  |  | 18,561 |
Natural Gas Pipelines & Services |  |  | 3,004 |  |  |  | 3,776 |  |  |  | 6,260 |
Petrochemical & Refined Products Services |  |  | 11,359 |  |  |  | 8,958 |  |  |  | 9,106 |
Total consolidated revenues |  | $ | 56,219 |  |  | $ | 49,715 |  |  | $ | 58,186 |
Consolidated costs and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Operating costs and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  | $ | 42,580 |  |  | $ | 37,023 |  |  | $ | 45,836 |
Other operating costs and expenses (1) |  |  | 4,004 |  |  |  | 3,695 |  |  |  | 3,454 |
Depreciation, amortization and accretion |  |  | 2,402 |  |  |  | 2,279 |  |  |  | 2,158 |
Impairment of assets other than goodwill |  |  | 57 |  |  |  | 30 |  |  |  | 53 |
Net losses (gains) attributable to asset sales and related matters |  |  | 2 |  |  |  | (10 | ) |  |  | 1 |
General and administrative costs |  |  | 244 |  |  |  | 231 |  |  |  | 241 |
Total consolidated costs and expenses |  | $ | 49,289 |  |  | $ | 43,248 |  |  | $ | 51,743 |
(1) | Represents the cost of operating our plants, pipelines and other fixed assets excluding: depreciation, amortization and accretion; asset impairment charges; and net losses (gains) attributable to asset sales and related matters.

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