Held-for-Sale Treatment of the Clean Energy Businesses - Additional Information (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) MWh	Mar. 01, 2023 USD ($) MWh	Oct. 01, 2022 USD ($)
Disposal Group, Held-for-sale, Not Discontinued Operations | Clean Energy Businesses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration the project is sold			$ 3,993	$ 6,800
Downward price adjustment		$ 33
Downward price adjustment, after tax		$ 25
Disposal Group, Held-for-sale, Not Discontinued Operations | Clean Energy Businesses | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration the project is sold	$ 54
Downward price adjustment	33
Downward price adjustment, after tax	25
Electric Energy
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Notional amount | MWh		33,303,430
Broken Bow II | Disposal Group, Held-for-sale, Not Discontinued Operations | Clean Energy Businesses | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration the project is sold	$ 54
Broken Bow II | Electric Energy | Clean Energy Businesses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Notional amount | MWh		75	75