Property, Plant, and Equipment (Schedule of AFUDC and Capitalized Interest Rates (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant, and Equipment [Line Items]
Non-regulated businesses capitalized interest	3.00%	3.30%	3.90%
DTE Electric
Property, Plant, and Equipment [Line Items]
AFUDC	5.46%	5.46%	5.47%
DTE Gas
Property, Plant, and Equipment [Line Items]
AFUDC	5.41%	5.55%	5.56%