Commitments and Contingencies (Details Textuals)	3 Months Ended
	Mar. 31, 2022 USD ($) employee site facility	Dec. 31, 2021 USD ($)
Loss Contingencies [Line Items]
Estimated capital expenditures for current fiscal year	$ 3,700,000,000
Workforce subject to collective bargaining arrangements | Labor force concentration risk
Loss Contingencies [Line Items]
Number of employees | employee	5,200
Percentage of total employees	50.00%
Workforce Subject to Collective Bargaining Arrangements Expiring within One Year | Labor force concentration risk
Loss Contingencies [Line Items]
Percentage of total employees	14.00%
Reduced emissions fuel guarantees
Loss Contingencies [Line Items]
Number of days after expiration of statutes of limitations	90 days
Maximum potential liability	$ 720,000,000
Other guarantees
Loss Contingencies [Line Items]
Maximum potential liability	40,000,000
Performance surety bonds
Loss Contingencies [Line Items]
Performance bonds outstanding	135,000,000
DTE Electric
Loss Contingencies [Line Items]
Environmental capital expenditures	2,400,000,000
Estimated environmental capital expenditures	$ 0
Number of former MGP sites | site	3
Accrued for remediation	$ 12,000,000	$ 14,000,000
Number of permitted engineered ash storage facilities owned | facility	3
Estimated capital expenditures for current fiscal year	$ 2,700,000,000
DTE Electric | Workforce subject to collective bargaining arrangements | Labor force concentration risk
Loss Contingencies [Line Items]
Number of employees | employee	2,700
Percentage of total employees	56.00%
DTE Electric | Workforce Subject to Collective Bargaining Arrangements Expiring within One Year | Labor force concentration risk
Loss Contingencies [Line Items]
Percentage of total employees	21.00%
DTE Electric | Performance surety bonds
Loss Contingencies [Line Items]
Performance bonds outstanding	$ 119,000,000
DTE Electric | Coal Combustion Residual And Effluent Limitations Guidelines Rules
Loss Contingencies [Line Items]
Estimated impact of the CCR and ELG rules	562,000,000
Estimated impact of the CCR and ELG rules through 2026	$ 457,000,000
DTE Gas
Loss Contingencies [Line Items]
Number of former MGP sites | site	14
Accrued for remediation	$ 24,000,000	$ 24,000,000
Amortization period (in years)	10 years
DTE Gas | Clean up completed and site closed
Loss Contingencies [Line Items]
Number of former MGP sites | site	8
DTE Gas | Partial closure complete
Loss Contingencies [Line Items]
Number of former MGP sites | site	4