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Reportable Segments Other Intangibles, Net (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Other intangibles, net | $ 1,957 | $ 1,809
Operating Segments | Natural Gas Pipelines |  |
Segment Reporting Information [Line Items] |  |
Other intangibles, net | 742 | 439
Operating Segments | Products Pipelines |  |
Segment Reporting Information [Line Items] |  |
Other intangibles, net | 687 | 777
Operating Segments | Terminals |  |
Segment Reporting Information [Line Items] |  |
Other intangibles, net | 26 | 38
Operating Segments | CO2 |  |
Segment Reporting Information [Line Items] |  |
Other intangibles, net | $ 502 | $ 555

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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-1 + Details
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