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v3.25.3

Exit Activities and Asset Sales (Narrative) (Details) $ in Millions | 1 Months Ended
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Sep. 30, 2025 USD ($) facility
Restructuring Cost and Reserve [Line Items] |
Facilities agreed to sell | facility | 13
Duration of purchase agreement | 30 years
Required filing, period post signing | 60 days
Minimum |
Restructuring Cost and Reserve [Line Items] |
Expected duration of review | 12 months
Maximum |
Restructuring Cost and Reserve [Line Items] |
Expected duration of review | 18 months
Retention Benefits | D.E. Karn Generating Complex and J.H. Campbell Generating Units | Retention Incentive Program |
Restructuring Cost and Reserve [Line Items] |
Regulatory asset collection period | 3 years
Retention Benefits | J.H. Campbell Generating Units |
Restructuring Cost and Reserve [Line Items] |
Expected cost | $ 48
Retention Benefits | J.H. Campbell Generating Units | Retention Incentive Program |
Restructuring Cost and Reserve [Line Items] |
Cumulative deferred costs | $ 47

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