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Business Segments and Related Information (Tables) | 3 Months Ended
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Mar. 31, 2025
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 periods indicated:
|  | For the Three Months Ended March 31, |
|  | 2025 |  |  | 2024 |
Total segment gross operating margin |  | $ | 2,464 |  |  | $ | 2,507 |
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) |  |  | (602 | ) |  |  | (582 | )
Asset impairment charges in operating costs and expenses |  |  | (10 | ) |  |  | (20 | )
Net gains attributable to asset sales and related matters in operating costs and expenses |  |  | 2 |  |  |  | – |
General and administrative costs |  |  | (60 | ) |  |  | (66 | )
Non-refundable payments received from shippers attributable to make-up rights (2) |  |  | (37 | ) |  |  | (25 | )
Subsequent recognition of revenues attributable to make-up rights (3) |  |  | 4 |  |  |  | 8 |
Total other expense, net (4) |  |  | (331 | ) |  |  | (318 | )
Income before income taxes |  | $ | 1,430 |  |  | $ | 1,504 |
(1) | Excludes amortization of major maintenance costs for reaction-based plants and amortization of finance lease right-of-use (“ROU”) assets, which are components 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 | Summarized Segment Financial Information 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 Three Months Ended March 31, 2025 |
|  | NGL Pipelines & Services |  |  | Crude Oil Pipelines & Services |  |  | Natural Gas Pipelines & Services |  |  | Petrochemical & Refined Products Services |  |  | Segment Total |
Segment revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from third parties |  | $ | 5,398 |  |  | $ | 5,115 |  |  | $ | 1,216 |  |  | $ | 3,675 |  |  | $ | 15,404 |
Revenues from related parties |  |  | 2 |  |  |  | 6 |  |  |  | 5 |  |  |  | – |  |  |  | 13 |
Intersegment and intrasegment revenues |  |  | 17,017 |  |  |  | 10,622 |  |  |  | 232 |  |  |  | 7,195 |  |  |  | 35,066 |
Total segment revenues |  |  | 22,417 |  |  |  | 15,743 |  |  |  | 1,453 |  |  |  | 10,870 |  |  |  | 50,483 |
Significant segment expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  | 20,433 |  |  |  | 15,307 |  |  |  | 899 |  |  |  | 10,156 |  |  |  | 46,795 |
Variable operating costs and expenses (1) |  |  | 199 |  |  |  | 35 |  |  |  | 22 |  |  |  | 106 |  |  |  | 362 |
Fixed operating costs and expenses (2) |  |  | 423 |  |  |  | 101 |  |  |  | 177 |  |  |  | 294 |  |  |  | 995 |
Total significant segment expenses |  |  | 21,055 |  |  |  | 15,443 |  |  |  | 1,098 |  |  |  | 10,556 |  |  |  | 48,152 |
Other segment income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income of unconsolidated affiliates |  |  | 20 |  |  |  | 72 |  |  |  | 2 |  |  |  | – |  |  |  | 94 |
Other segment items (3) |  |  | 36 |  |  |  | 2 |  |  |  | – |  |  |  | 1 |  |  |  | 39 |
Total other segment income |  |  | 56 |  |  |  | 74 |  |  |  | 2 |  |  |  | 1 |  |  |  | 133 |
Total segment gross operating margin |  | $ | 1,418 |  |  | $ | 374 |  |  | $ | 357 |  |  | $ | 315 |  |  | $ | 2,464 |
Other financial information: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  | $ | 635 |  |  | $ | 23 |  |  | $ | 303 |  |  | $ | 101 |  |  | $ | 1,062 |
(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 and subsequent recognition of revenues attributable to make-up rights. • Crude Oil Pipelines & Services – Other segment expenses. • Petrochemical & Refined Products Services – Other segment expenses.
|  | For the Three Months Ended March 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 |  | $ | 5,137 |  |  | $ | 5,406 |  |  | $ | 851 |  |  | $ | 3,351 |  |  | $ | 14,745 |
Revenues from related parties |  |  | 3 |  |  |  | 9 |  |  |  | 3 |  |  |  | – |  |  |  | 15 |
Intersegment and intrasegment revenues |  |  | 11,555 |  |  |  | 13,827 |  |  |  | 177 |  |  |  | 6,324 |  |  |  | 31,883 |
Total segment revenues |  |  | 16,695 |  |  |  | 19,242 |  |  |  | 1,031 |  |  |  | 9,675 |  |  |  | 46,643 |
Significant segment expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  | 14,810 |  |  |  | 18,749 |  |  |  | 558 |  |  |  | 8,875 |  |  |  | 42,992 |
Variable operating costs and expenses (1) |  |  | 174 |  |  |  | 46 |  |  |  | 15 |  |  |  | 94 |  |  |  | 329 |
Fixed operating costs and expenses (2) |  |  | 425 |  |  |  | 104 |  |  |  | 150 |  |  |  | 249 |  |  |  | 928 |
Total significant segment expenses |  |  | 15,409 |  |  |  | 18,899 |  |  |  | 723 |  |  |  | 9,218 |  |  |  | 44,249 |
Other segment income (expense): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income of unconsolidated affiliates |  |  | 31 |  |  |  | 69 |  |  |  | 2 |  |  |  | – |  |  |  | 102 |
Other segment items (3) |  |  | 23 |  |  |  | (1 | ) |  |  | 2 |  |  |  | (13 | ) |  |  | 11 |
Total other segment income (expense), net |  |  | 54 |  |  |  | 68 |  |  |  | 4 |  |  |  | (13 | ) |  |  | 113 |
Total segment gross operating margin |  | $ | 1,340 |  |  | $ | 411 |  |  | $ | 312 |  |  | $ | 444 |  |  | $ | 2,507 |
Other financial information: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  | $ | 577 |  |  | $ | 37 |  |  | $ | 204 |  |  | $ | 229 |  |  | $ | 1,047 |
(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 and subsequent recognition of revenues attributable to make-up rights. • Crude Oil Pipelines & Services – 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 Unaudited Condensed Statements of Consolidated Operations:
|  | For the Three Months Ended March 31, |
|  | 2025 |  |  | 2024 |
Segment revenues: |  |  |  |  |  |
NGL Pipelines & Services |  | $ | 22,417 |  |  | $ | 16,695 |
Crude Oil Pipelines & Services |  |  | 15,743 |  |  |  | 19,242 |
Natural Gas Pipelines & Services |  |  | 1,453 |  |  |  | 1,031 |
Petrochemical & Refined Products Services |  |  | 10,870 |  |  |  | 9,675 |
Total segment revenues |  |  | 50,483 |  |  |  | 46,643 |
Elimination of intersegment and intrasegment revenues |  |  | (35,066 | ) |  |  | (31,883 | )
Total consolidated revenues |  | $ | 15,417 |  |  | $ | 14,760 |
The following table presents our segment assets, together with a reconciliation to our consolidated total assets, at the dates indicated:
|  | March 31, 2025 |  |  | December 31, 2024 |
NGL Pipelines & Services |  | $ | 21,735 |  |  | $ | 21,900 |
Crude Oil Pipelines & Services |  |  | 11,327 |  |  |  | 11,390 |
Natural Gas Pipelines & Services |  |  | 12,312 |  |  |  | 12,260 |
Petrochemical & Refined Products Services |  |  | 11,276 |  |  |  | 11,350 |
Total segment assets |  |  | 56,650 |  |  |  | 56,900 |
Construction in progress |  |  | 4,981 |  |  |  | 4,138 |
Current assets |  |  | 12,763 |  |  |  | 15,133 |
Other assets |  |  | 1,012 |  |  |  | 997 |
Consolidated total assets |  | $ | 75,406 |  |  | $ | 77,168 |
Consolidated Revenues and Expenses | The following table presents additional information regarding our consolidated revenues and costs and expenses for the periods indicated:
|  | For the Three Months Ended March 31, |
|  | 2025 |  |  | 2024 |
Consolidated revenues: |  |  |  |  |  |
NGL Pipelines & Services |  | $ | 5,400 |  |  | $ | 5,140 |
Crude Oil Pipelines & Services |  |  | 5,121 |  |  |  | 5,415 |
Natural Gas Pipelines & Services |  |  | 1,221 |  |  |  | 854 |
Petrochemical & Refined Products Services |  |  | 3,675 |  |  |  | 3,351 |
Total consolidated revenues |  | $ | 15,417 |  |  | $ | 14,760 |
Consolidated costs and expenses |  |  |  |  |  |  |  |
Operating costs and expenses: |  |  |  |  |  |  |  |
Cost of sales |  | $ | 12,005 |  |  | $ | 11,405 |
Other operating costs and expenses (1) |  |  | 1,059 |  |  |  | 954 |
Depreciation, amortization and accretion |  |  | 618 |  |  |  | 595 |
Asset impairment charges |  |  | 10 |  |  |  | 20 |
Net gains attributable to asset sales and related matters |  |  | (2 | ) |  |  | – |
General and administrative costs |  |  | 60 |  |  |  | 66 |
Total consolidated costs and expenses |  | $ | 13,750 |  |  | $ | 13,040 |
(1) | Represents the cost of operating our plants, pipelines and other fixed assets excluding depreciation, amortization and accretion charges; asset impairment charges; and net gains attributable to asset sales and related matters.

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