REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details)	12 Months Ended
Dec. 31, 2024 wk auction asset
Retail Revenues
Disaggregation of Revenue [Line Items]
Monthly billing, payment due term	35 days
Retail Revenues \| Minimum
Disaggregation of Revenue [Line Items]
Monthly billing term	15 days
Retail Revenues \| Maximum
Disaggregation of Revenue [Line Items]
Monthly billing term	20 days
Wholesale Revenues - Generation
Disaggregation of Revenue [Line Items]
Number of incremental auctions \| auction	3
Incremental auction term	3 years
Monthly billing, number of weeks	1
Wholesale Revenues - Transmission
Disaggregation of Revenue [Line Items]
Monthly billing, number of weeks	1
Formula rate period	1 year
Costs allocation, average period	12 months
Costs allocation, number of transmission assets \| asset	2
Wholesale Revenues - Transmission \| Maximum
Disaggregation of Revenue [Line Items]
Performance obligation period	1 year
Marketing Arrangements
Disaggregation of Revenue [Line Items]
Monthly billing, payment due term	20 days
Competitive Retail And Offtake Arrangements For Renewable Assets Range \| Minimum
Disaggregation of Revenue [Line Items]
Monthly billing, payment due term	15 days
Competitive Retail And Offtake Arrangements For Renewable Assets Range \| Maximum
Disaggregation of Revenue [Line Items]
Monthly billing, payment due term	60 days

Revenue from Contract with Customer, Costs Allocation, Average Period

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Revenue from Contract with Customer, Costs Allocation, Number of Transmission Assets

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Revenue from Contract with Customer, Formula Rate Period

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- Definition

Revenue from Contract with Customer, Incremental Auction Term

+ References

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Revenue from Contract with Customer, Monthly Billing, Number Of Weeks

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Revenue from Contract with Customer, Monthly Billing, Payment Due Term

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Revenue from Contract with Customer, Monthly Billing Term

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Revenue from Contract with Customer, Number of Incremental Auctions

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Revenue from Contract with Customer, Performance Obligation Period

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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.

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