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Asset Acquisition, Issuance Cost

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Asset Acquisition, Purchase Price, Post-Closing Adjustments

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Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables

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Payments For Asset Acquisition

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Payments For Asset Acquisitions, Net of Cash Acquired And Transaction Expenses

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Power Generation Capacity, Megawatts

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Power Purchase Agreement, Number Of Solar Facilities

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Represents the period of power purchase agreement

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of acquiree's earnings (loss) since acquisition date of business combination included in consolidated statement of income.

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Amount of acquiree's revenue since acquisition date of business combination included in consolidated statement of income.

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- Definition

The number of states the entity operates in as of the balance sheet date.

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Acquisitions - Narrative (Details) $ in Millions				3 Months Ended	6 Months Ended
Acquisitions - Narrative (Details) $ in Millions	Oct. 01, 2026 USD ($) MW	Aug. 17, 2026 USD ($) MW	Mar. 30, 2026 USD ($) state facility MW	Dec. 31, 2026	Sep. 30, 2026 USD ($) state	Jun. 30, 2026
Asset Acquisition [Line Items]
Weighted average remaining contract duration (in years)						15 years
Number of states \| state					27
Cardinal Portfolio acquisition
Asset Acquisition [Line Items]
Operating revenues					$ 41
Net income					$ 11
RS2-Spindle TargetCo LLC \| Spindle Drop Down \| Forecast
Asset Acquisition [Line Items]
Weighted average remaining contract duration (in years)				20 years
RS2-Spindle TargetCo LLC \| Spindle Drop Down \| Subsequent Event
Asset Acquisition [Line Items]
Payments for asset acquisition	$ 46
RS2-Spindle TargetCo LLC \| Spindle Drop Down \| Alternative Energy \| Subsequent Event
Asset Acquisition [Line Items]
Power generation capacity, megawatts \| MW	199
Payments for asset acquisition	$ 9
RS2-Spindle TargetCo LLC \| Spindle Drop Down \| Clearway Renew LLC \| Subsequent Event
Asset Acquisition [Line Items]
Current assets, receivables	37
RS2-Spindle TargetCo LLC \| Spindle Drop Down \| Tax Equity Investor \| Subsequent Event
Asset Acquisition [Line Items]
Payments for asset acquisition	$ 30
RS2-Spindle TE Holdco LLC \| RS2-Spindle Drop Down
Asset Acquisition [Line Items]
Payments for asset acquisition		$ 47
Weighted average remaining contract duration (in years)		15 years
Net assets assumed		$ 2
RS2-Spindle TE Holdco LLC \| RS2-Spindle Drop Down \| Alternative Energy
Asset Acquisition [Line Items]
Power generation capacity, megawatts \| MW		92
Payments for asset acquisition		$ 9
RS2-Spindle TE Holdco LLC \| RS2-Spindle Drop Down \| Clearway Renew LLC
Asset Acquisition [Line Items]
Current assets, receivables		$ 38
Cardinal Purchaser LLC And Cardinal JV Purchaser LLC
Asset Acquisition [Line Items]
Power generation capacity, megawatts \| MW			610
Payments for asset acquisition			$ 323
Post-closing adjustments			$ 2
Cardinal Purchaser LLC And Cardinal JV Purchaser LLC \| Cardinal Portfolio acquisition
Asset Acquisition [Line Items]
Power generation capacity, megawatts \| MW			225
Payments for asset acquisition			$ 242
Weighted average remaining contract duration (in years)			10 years
Number of states \| state			8
Number of solar facilities \| facility			12
Borrowings			$ 100
Payments for asset acquisition and transaction expenses			240
Cardinal Purchaser LLC And Cardinal JV Purchaser LLC \| Cardinal Portfolio acquisition \| Third-Party Investor
Asset Acquisition [Line Items]
Payments for asset acquisition			$ 81