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Reportable Segments (Notes)
 6 Months Ended
Jun. 30, 2024
Segment Reporting [Abstract]  
Reportable Segments
8.  Reportable Segments

Financial information by segment follows:
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
(In millions)
Revenues
Natural Gas Pipelines
Revenues from external customers$1,990 $1,987 $4,323 $4,450 
Intersegment revenues3 4 6 7 
Products Pipelines776 735 1,504 1,403 
Terminals
Revenues from external customers508 477 1,002 937 
Intersegment revenues1 1 3 2 
CO2
Revenues from external customers298 302 585 599 
Intersegment revenues— — 1 — 
Corporate and intersegment eliminations(4)(5)(10)(9)
Total consolidated revenues$3,572 $3,501 $7,414 $7,389 
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
(In millions)
Segment EBDA(a)
Natural Gas Pipelines$1,227 $1,255 $2,741 $2,750 
Products Pipelines301 285 593 469 
Terminals281 261 550 515 
CO2
206 175 364 347 
Total Segment EBDA2,015 1,976 4,248 4,081 
DD&A(584)(557)(1,171)(1,122)
Amortization of excess cost of equity investments(13)(19)(25)(36)
General and administrative and corporate charges(184)(179)(364)(358)
Interest, net (464)(443)(936)(888)
Income tax expense(168)(168)(377)(364)
Total consolidated net income$602 $610 $1,375 $1,313 
June 30, 2024December 31, 2023
(In millions)
Assets
Natural Gas Pipelines$49,702 $49,883 
Products Pipelines8,674 8,781 
Terminals8,164 8,235 
CO2
3,541 3,497 
Corporate assets(b)621 624 
Total consolidated assets$70,702 $71,020 
(a)Includes revenues; earnings from equity investments; operating expenses; gain on divestitures, net; other income, net; and other, net. Operating expenses include costs of sales, operations and maintenance expenses, and taxes, other than income taxes.
(b)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 information technology, telecommunications equipment and legacy activity) not allocated to our reportable segments.