Electrical Power Expected To Be Received

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Financing Receivable, Term

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Lessor, Direct Financing Lease, Interest Rate

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Term of lessor's direct financing lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Debt - DCSP Financing Arrangements (Q2) (Details)		3 Months Ended		6 Months Ended		12 Months Ended
Debt - DCSP Financing Arrangements (Q2) (Details)	Oct. 31, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Apr. 30, 2025	Jun. 30, 2023 MW	Jun. 06, 2023 MW
Lessor, Lease, Description [Line Items]
Electrical power expected to be received in phases \| MW										78	78
Total property and equipment		$ 18,585,117,000		$ 18,585,117,000		$ 12,880,005,000	$ 3,600,786,000
Term of contract	14 years					14 years
Lessee, finance lease term									14 years
Lessee, imputed interest rate									0.13
Finance lease right-of-use assets acquired				123,000,000		$ 141,916,000	0	$ 14,622,000
Interest expense		256,162,000	$ 67,097,000	513,533,000	$ 107,600,000	$ 349,203,000	$ 26,967,000	$ 8,374,000
DCSP Financing Obligation
Lessor, Lease, Description [Line Items]
Interest rate	15.00%					15.00%
Interest income		6,000,000		9,000,000		$ 0
Interest expense		8,000,000		12,000,000		3,000,000
DCSP Note Receivable
Lessor, Lease, Description [Line Items]
Financing receivable		288,000,000		288,000,000		$ 224,000,000
Financing receivable, term	7 years					7 years
Financing receivable, stated rate	13.00%					13.00%
DCSP Note Receivable \| DCSP Financing Obligation
Lessor, Lease, Description [Line Items]
Financing receivable		$ 237,000,000		$ 237,000,000		$ 116,000,000
DCSP Note Receivable \| Unfunded Loan Commitment
Lessor, Lease, Description [Line Items]
Financing receivable	$ 305,000,000
Critical Infrastructure Assets
Lessor, Lease, Description [Line Items]
Total property and equipment						$ 116,000,000