Acquisitions - Narrative (Details) $ in Millions			3 Months Ended
	Mar. 30, 2026 USD ($) state facility MW	Mar. 27, 2026	Jun. 30, 2026 USD ($) state
Asset Acquisition [Line Items]
Number of states | state			27
Weighted average remaining contract duration (in years)		15 years
Cardinal Portfolio acquisition
Asset Acquisition [Line Items]
Operating revenues			$ 22
Net income			$ 7
Cardinal Purchaser LLC And Cardinal JV Purchaser LLC
Asset Acquisition [Line Items]
Power generation capacity, megawatts | MW	610
Payments for asset acquisition	$ 322
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
Number of states | state	8
Payments for asset acquisition	$ 242
Number of solar facilities | facility	12
Weighted average remaining contract duration (in years)	10 years
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	$ 80