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Acquisition (Details Textuals) - Electric - Osaka Gas USA Corporation - DTE Sustainable Generation $ in Millions	Aug. 14, 2025 USD ($) MW	Sep. 30, 2025 USD ($)
Business Combination [Line Items]
Amount of power associated | MW	123
Fair value of consideration | $	$ 216	$ 216
Contract intangibles
Business Combination [Line Items]
Contract intangible assets, amortized (in years)	5 years

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