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Reportable Segments (Tables) | 12 Months Ended
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Dec. 31, 2023
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment | Financial information by segment follows:
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Revenues |  |  |  |  |
Natural Gas Pipelines |  |  |  |  |
Revenues from external customers | $ | 9,152 |  |  | $ | 12,659 |  |  | $ | 11,644 |
Intersegment revenues | 16 |  |  | 27 |  |  | 65 |
Products Pipelines | 3,066 |  |  | 3,418 |  |  | 2,245 |
Terminals |  |  |  |  |
Revenues from external customers | 1,911 |  |  | 1,789 |  |  | 1,712 |
Intersegment revenues | 6 |  |  | 3 |  |  | 3 |
CO 2 |  |  |  |  |
Revenues from external customers | 1,205 |  |  | 1,334 |  |  | 1,009 |
Intersegment revenues | 4 |  |  | — |  |  | — |
Corporate and intersegment eliminations | (26) |  |  | (30) |  |  | (68) |
Total consolidated revenues | $ | 15,334 |  |  | $ | 19,200 |  |  | $ | 16,610 |
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Operating expenses(a) |  |  |  |  |
Natural Gas Pipelines | $ | 4,700 |  |  | $ | 8,562 |  |  | $ | 7,000 |
Products Pipelines | 2,024 |  |  | 2,391 |  |  | 1,239 |
Terminals | 896 |  |  | 853 |  |  | 793 |
CO 2 | 550 |  |  | 554 |  |  | 289 |
Corporate and intersegment eliminations | (4) |  |  | (9) |  |  | (34) |
Total consolidated operating expenses | $ | 8,166 |  |  | $ | 12,351 |  |  | $ | 9,287 |
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Other expense (income)(b) |  |  |  |  |
Natural Gas Pipelines | $ | (12) |  |  | $ | (13) |  |  | $ | 1,597 |
Products Pipelines | 4 |  |  | (12) |  |  | — |
Terminals | (2) |  |  | (14) |  |  | 32 |
CO 2 | — |  |  | (1) |  |  | (8) |
Corporate | (3) |  |  | 1 |  |  | (4) |
Total consolidated other expense (income) | $ | (13) |  |  | $ | (39) |  |  | $ | 1,617 |
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
DD&A |  |  |  |  |
Natural Gas Pipelines | $ | 1,041 |  |  | $ | 1,096 |  |  | $ | 1,099 |
Products Pipelines | 367 |  |  | 336 |  |  | 335 |
Terminals | 493 |  |  | 458 |  |  | 440 |
CO 2 | 325 |  |  | 272 |  |  | 236 |
Corporate | 24 |  |  | 24 |  |  | 25 |
Total consolidated DD&A | $ | 2,250 |  |  | $ | 2,186 |  |  | $ | 2,135 |
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Earnings from equity investments and amortization of excess cost of equity investments |  |  |  |  |
Natural Gas Pipelines | $ | 746 |  |  | $ | 650 |  |  | $ | 435 |
Products Pipelines | (6) |  |  | 33 |  |  | 34 |
Terminals | 9 |  |  | 14 |  |  | 15 |
CO 2 | 23 |  |  | 31 |  |  | 29 |
Total consolidated equity earnings | $ | 772 |  |  | $ | 728 |  |  | $ | 513 |
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Other, net-income (expense) |  |  |  |  |
Natural Gas Pipelines | $ | 26 |  |  | $ | (19) |  |  | $ | 216 |
Products Pipelines | 1 |  |  | — |  |  | 1 |
Terminals | 8 |  |  | 8 |  |  | 3 |
Corporate | (72) |  |  | 66 |  |  | 62 |
Total consolidated other, net-income (expense) | $ | (37) |  |  | $ | 55 |  |  | $ | 282 |
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Segment EBDA(c) |  |  |  |  |
Natural Gas Pipelines | $ | 5,282 |  |  | $ | 4,801 |  |  | $ | 3,815 |
Products Pipelines | 1,062 |  |  | 1,107 |  |  | 1,064 |
Terminals | 1,040 |  |  | 975 |  |  | 908 |
CO 2 | 689 |  |  | 819 |  |  | 760 |
Total Segment EBDA | 8,073 |  |  | 7,702 |  |  | 6,547 |
DD&A | (2,250) |  |  | (2,186) |  |  | (2,135) |
Amortization of excess cost of equity investments | (66) |  |  | (75) |  |  | (78) |
General and administrative and corporate charges | (759) |  |  | (593) |  |  | (623) |
Interest, net | (1,797) |  |  | (1,513) |  |  | (1,492) |
Income tax expense | (715) |  |  | (710) |  |  | (369) |
Total consolidated net income | $ | 2,486 |  |  | $ | 2,625 |  |  | $ | 1,850 |
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Capital expenditures |  |  |  |  |
Natural Gas Pipelines | $ | 1,299 |  |  | $ | 666 |  |  | $ | 570 |
Products Pipelines | 221 |  |  | — |  |  | 122 |
Terminals | 406 |  |  | 552 |  |  | 332 |
CO 2 | 355 |  |  | 371 |  |  | 230 |
Corporate | 36 |  |  | 32 |  |  | 27 |
Total consolidated capital expenditures | $ | 2,317 |  |  | $ | 1,621 |  |  | $ | 1,281 |
| December 31,
| 2023 |  | 2022
| (In millions)
Investments |  |  |
Natural Gas Pipelines | $ | 7,273 |  |  | $ | 6,993 |
Products Pipelines | 390 |  |  | 445 |
Terminals | 130 |  |  | 128 |
CO 2 | 81 |  |  | 87 |
Total consolidated investments | $ | 7,874 |  |  | $ | 7,653 |
| December 31,
| 2023 |  | 2022
| (In millions)
Other intangibles, net |  |  |
Natural Gas Pipelines | $ | 742 |  |  | $ | 439 |
Products Pipelines | 687 |  |  | 777 |
Terminals | 26 |  |  | 38 |
CO 2 | 502 |  |  | 555 |
Total consolidated other intangibles, net | $ | 1,957 |  |  | $ | 1,809 |
| December 31,
| 2023 |  | 2022
| (In millions)
Assets |  |  |
Natural Gas Pipelines | $ | 49,883 |  |  | $ | 47,978 |
Products Pipelines | 8,781 |  |  | 8,985 |
Terminals | 8,235 |  |  | 8,357 |
CO 2 | 3,497 |  |  | 3,449 |
Corporate assets(d) | 624 |  |  | 1,309 |
Total consolidated assets | $ | 71,020 |  |  | $ | 70,078 |
(a)Includes costs of sales, operations and maintenance expenses, and taxes, other than income taxes. (b)Include s (gain) loss on divestitures and impairments, net and other (expense) income, net. (c)Includes revenues, earnings from equity investments, and other, net, less operating expenses, (gain) loss on divestitures and impairments, net and other (expense) income, net. (d)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.
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,
| 2023 |  | 2022 |  | 2021
| (In millions)
Revenues from external customers |  |  |  |  |
U.S. | $ | 15,255 |  |  | $ | 19,036 |  |  | $ | 16,479 |
Mexico and other foreign | 79 |  |  | 164 |  |  | 131 |
Total consolidated revenues from external customers | $ | 15,334 |  |  | $ | 19,200 |  |  | $ | 16,610 |
| December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Long-term assets, excluding goodwill and other intangibles |  |  |  |  |
U.S. | $ | 46,328 |  |  | $ | 44,425 |  |  | $ | 44,916 |
Mexico and other foreign | 72 |  |  | 75 |  |  | 78 |
Canada | — |  |  | 1 |  |  | 1 |
Total consolidated long-lived assets | $ | 46,400 |  |  | $ | 44,501 |  |  | $ | 44,995 |

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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 + Details
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