Commitment and Contingencies - Resolved Legal Matters (Details)	1 Months Ended
Jul. 31, 2024 USD ($)	Jun. 30, 2021 USD ($) order
Other Commitments [Line Items]
Number of orders challenged \| order		2
Maximum energy prices		$ 9,000
Talen vs TES, TEC, the TERP, and the TERP committee \| Settled Litigation
Other Commitments [Line Items]
Amount awarded	$ 20,000,000
Administrative costs related to settlement	6,000,000
Legal settlements and litigation costs	$ 14,000,000

Loss Contingency, Number Of Orders Challenged

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- Definition

Maximum Energy Prices

+ References

No definition available.

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(6))
-SubTopic 10
-Topic 220
-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
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