Segment and Related Information (Details Textuals) customer in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) customer	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of electric utility customers | customer	2.3
Number of gas utility customers | customer	1.3
Segment Reporting Information [Line Items]
Operating Revenues — Non-utility operations	$ 5,279	$ 10,985	$ 7,676
Continuing operations
Segment Reporting Information [Line Items]
Operating Revenues — Non-utility operations			7,676
Reclassifications and Eliminations
Segment Reporting Information [Line Items]
Operating Revenues — Non-utility operations	$ (156)	$ (186)
Reclassifications and Eliminations | Continuing operations
Segment Reporting Information [Line Items]
Operating Revenues — Non-utility operations			(651)
Reclassifications and Eliminations | Gas Storage and Pipelines | Continuing operations
Segment Reporting Information [Line Items]
Operating Revenues — Non-utility operations			$ 14