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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT - Basis of Presentation (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
IDACORP |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Proceeds from Dividends Received | $ 193,000,000 | $ 177,000,000 | $ 105,000,000

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