Share-Based Compensation Arrangement by Share-Based Payment Award, Award Payment Period

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Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Period

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Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Score, Higher

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Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Score, Lower

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Performance Metrics

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Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Trading Days

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Metric, Generation Capacity Additions, Weight

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Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Metric, Operating Period Term

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Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Metric, Operating Period, Weight

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Metric, Relative Total Shareholder Return, Weight

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Available for Grant, Reduction Rate

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Subsequent Award Period

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Aggregate number of common shares reserved for future issuance.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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STOCK-BASED COMPENSATION - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) day metric shares	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized, amount \| $	$ 59
Cost not yet recognized, period for recognition	1 year 6 months
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award performance period	3 years
Award performance score, lower	0.00%
Award performance score, higher	200.00%
Vesting period	3 years	3 years	3 years
Number of performance metrics \| metric	3
Performance metric, operating period term	3 years
Performance metric, operating period, weight	50.00%
Performance metric, relative total shareholder return, weight	40.00%
Performance metric, generation capacity additions, weight	10.00%
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period	3 years
Aggregate intrinsic value of nonvested \| $	$ 44
Weighted-average remaining contractual life	1 year 6 months
Restricted Stock Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	40 months
Stock Unit Accumulation Plan \| Non-Employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of trading days \| day	20
Stock Unit Accumulation Plan \| Maximum \| Non-Employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award payment period	10 years
Stock Unit Accumulation Plan \| Minimum \| Non-Employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Subsequent award period	5 years
2024 Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares) \| shares	10,000,000
Common stock, capital shares reserved for future issuance (in shares) \| shares	9,806,016
Shares available for grant, reduction rate	1