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Reportable Segments Other, net-income(expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Other, net-income (expense)	$ (37)	$ 55	$ 282
Operating Segments | Natural Gas Pipelines
Segment Reporting Information [Line Items]
Other, net-income (expense)	26	(19)	216
Operating Segments | Products Pipelines
Segment Reporting Information [Line Items]
Other, net-income (expense)	1	0	1
Operating Segments | Terminals
Segment Reporting Information [Line Items]
Other, net-income (expense)	8	8	3
Other
Segment Reporting Information [Line Items]
Other, net-income (expense)	$ (72)	$ 66	$ 62

X

- Definition

Amount of income (expense) related to nonoperating activities, classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

+ Details

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+ References

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