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Reportable Segments (Tables)
12 Months Ended
Dec. 31, 2024
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
Financial information by segment follows: 

 Year Ended December 31, 2024
Reportable Segments
 Natural Gas PipelinesProducts PipelinesTerminals
CO2
Corporate and EliminationsTotal
(In millions)
Revenues
Revenues from external customers$8,930 $2,955 $2,013 $1,202 $— $15,100 
Intersegment revenues12 — (23)— 
Total revenues8,942 2,955 2,022 1,204 (23)15,100 
Costs of sales(2,837)(1,394)(42)(82)
Labor(322)(128)(273)(50)
Fuel and power(74)(92)(20)(153)
Field - non-labor(a)(854)(193)(558)(241)
Taxes, other than income taxes
(269)(43)(53)(60)
Earnings from equity investments782 66 34 
Other segment items(b)59 15 40 
Total Segment EBDA(c)
$5,427 $1,173 $1,099 $692 8,391 
DD&A(2,354)
Amortization of excess cost of equity investments(50)
General and administrative and corporate charges(736)
Interest, net(1,844)
Income tax expense(687)
Net income$2,720 
Other segment activity information:
DD&A$1,105 $365 $508 $354 $22 $2,354 
Capital expenditures1,654 210 385 346 34 2,629 
Segment balance sheet information:
Investments7,252 387 132 74 — 7,845 
Other intangibles, net687 597 18 458 — 1,760 
Total assets(d)
50,402 8,639 8,086 3,583 697 71,407 
 Year Ended December 31, 2023
Reportable Segments
 Natural Gas PipelinesProducts PipelinesTerminals
CO2
Corporate and EliminationsTotal
(In millions)
Revenues
Revenues from external customers$9,152 $3,066 $1,911 $1,205 $— $15,334 
Intersegment revenues16 — (26)— 
Total revenues9,168 3,066 1,917 1,209 (26)15,334 
Costs of sales(3,258)(1,588)(33)(77)
Labor(300)(121)(254)(49)
Fuel and power(79)(88)(19)(137)
Field - non-labor(a)(801)(185)(535)(232)
Taxes, other than income taxes
(262)(42)(55)(55)
Earnings from equity investments776 23 30 
Other segment items(b)38 (3)10 — 
Total Segment EBDA(e)
$5,282 $1,062 $1,040 $689 8,073 
DD&A(2,250)
Amortization of excess cost of equity investments(66)
General and administrative and corporate charges(759)
Interest, net(1,797)
Income tax expense(715)
Net income$2,486 
Other segment activity information:
DD&A$1,041 $367 $493 $325 $24 $2,250 
Capital expenditures1,299 221 406 355 36 2,317 
Segment balance sheet information:
Investments7,273 390 130 81 — 7,874 
Other intangibles, net742 687 26 502 — 1,957 
Total assets(d)
49,883 8,781 8,235 3,497 624 71,020 
 Year Ended December 31, 2022
Reportable Segments
 Natural Gas PipelinesProducts PipelinesTerminals
CO2
Corporate and EliminationsTotal
(In millions)
Revenues
Revenues from external customers$12,659 $3,418 $1,789 $1,334 $— $19,200 
Intersegment revenues27 — — (30)— 
Total revenues12,686 3,418 1,792 1,334 (30)19,200 
Costs of sales(7,171)(1,972)(26)(109)
Labor(282)(99)(239)(41)
Fuel and power(78)(81)(17)(132)
Field - non-labor(a)(763)(194)(518)(207)
Taxes, other than income taxes
(268)(45)(53)(65)
Earnings from equity investments683 68 14 38 
Other segment items(b)(6)12 22 
Total Segment EBDA(f)
$4,801 $1,107 $975 $819 7,702 
DD&A(2,186)
Amortization of excess cost of equity investments(75)
General and administrative and corporate charges(593)
Interest, net(1,513)
Income tax expense(710)
Net income$2,625 
Other segment activity information:
DD&A$1,096 $336 $458 $272 $24 $2,186 
Capital expenditures666 — 552 371 32 1,621 
(a)Includes outside services, pipeline integrity maintenance, materials and supplies and other operating costs.
(b)Includes miscellaneous operating and non-operating items primarily related to gains and losses associated with divestitures, impairments and/or equity investments.
(c)Includes non-cash mark-to-market derivative hedge contract amounts of $(75) million and $(2) million for our Natural Gas Pipelines and CO2 business segments, respectively.
(d)Corporate segment includes cash and cash equivalents, restricted deposits, certain prepaid assets and deferred charges, risk management assets related to derivative contracts, corporate headquarters in Houston, Texas and miscellaneous corporate assets (such as IT, telecommunications equipment and legacy activity) not allocated to our reportable segments.
(e)Includes non-cash mark-to-market derivative hedge contract amounts of $122 million, $1 million and $(4) million for our Natural Gas Pipelines, Products Pipelines and CO2 business segments, respectively.
(f)Includes non-cash mark-to-market derivative hedge contract amounts of $(64) million and $11 million for our Natural Gas Pipelines and CO2 business segments, respectively.
Schedule of Revenue and Long-lived Assets from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Following is geographic information regarding the revenues and long-lived assets of our business:
 Year Ended December 31,
 202420232022
(In millions)
Revenues from external customers   
U.S.$15,057 $15,255 $19,036 
Mexico and other foreign43 79 164 
Total consolidated revenues from external customers$15,100 $15,334 $19,200 
December 31,
 202420232022
(In millions)
Long-term assets, excluding goodwill and other intangibles  
U.S.$46,972 $46,328 $44,425 
Mexico and other foreign70 72 75 
Canada— — 
Total consolidated long-lived assets$47,042 $46,400 $44,501