Revenue (Revenues Outside the Scope of Topic 606) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Leases	$ 82	$ 198	$ 181
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Regulated and Unregulated Operating Revenue	Regulated and Unregulated Operating Revenue	Regulated and Unregulated Operating Revenue
Electric
Disaggregation of Revenue [Line Items]
Alternative Revenue Program	$ 35	$ 36	$ 26
Other revenues	19	19	22
Gas
Disaggregation of Revenue [Line Items]
Alternative Revenue Program	9	10	10
Other revenues	7	6	8
DTE Vantage
Disaggregation of Revenue [Line Items]
Leases	82	103	99
Energy Trading
Disaggregation of Revenue [Line Items]
Derivatives	$ 8,489	$ 5,603	$ 2,690