Regulatory Matters (Details Textuals) - DTE Electric - USD ($) $ in Millions			1 Months Ended	3 Months Ended	21 Months Ended
	Apr. 24, 2025	Feb. 27, 2025	Mar. 31, 2023	Mar. 31, 2025	Dec. 31, 2024
2022 Electric PSCR Reconciliation | Recovery Mechanism, Power Supply Costs
Public Utilities, General Disclosures [Line Items]
Recovery of cost rate			$ 421		$ 416
2022 Electric PSCR Reconciliation | MPSC
Public Utilities, General Disclosures [Line Items]
Cost recovery approved rate		$ 387
Amount of disallowed costs		$ 33
2025 DTE Electric Rate Case Filing | MPSC
Public Utilities, General Disclosures [Line Items]
Return on equity requested percent				9.90%
2025 DTE Electric Rate Case Filing | MPSC | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Requested rate increase	$ 574
Return on equity requested percent	10.75%