Organization and Basis of Presentation (Details Textuals) customer in Millions, $ in Millions	Dec. 31, 2023 USD ($) customer	Dec. 31, 2022 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of electric utility customers | customer	2.3
Number of gas utility customers | customer	1.3
Variable Interest Entity [Line Items]
Material potential exposure	$ 0
Investments in equity method investees	166	$ 165
Amount in excess of carrying amount	101	$ 99
DTE Electric
Variable Interest Entity [Line Items]
Material potential exposure	$ 0