Long-term Debt - SPPC - Narrative (Details) $ in Billions	Dec. 31, 2024 USD ($)
SPPC
Debt Instrument [Line Items]
Eligible property subject to lien of mortgages	$ 5.2

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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+ Details