Risk Management and Hedging Activities - EGTS (Details)	12 Months Ended
Dec. 31, 2023
Ten largest customers \| Storage and transmission \| Revenue, product and service \| Customer concentration risk \| EGTS
Derivative [Line Items]
Concentration risk, percentage	40.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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