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Commitments and Contingencies - Comanche Unit 3 (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2023 USD ($)
Loss Contingencies [Line Items] |
Cap of noneconomic loss in a civil action other than a medical malpractice under Colorado law | $ 0.6
Cap of noneconomic loss in a civil action (CORE withdrawal) | 187.0
Cap of noneconomic loss in a civil action (CORE) | 253.0
CORE outcome excluding interest | 26.0
CORE outcome total | $ 34.0

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