Leases (Details Textuals) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Additional net investment in finance leases	$ 67	$ 33
Finance lease extension term			5 years
Depreciation expense associated with property under operating leases			$ 11	$ 22	$ 24
Interest income recognized under finance leases			$ 24	$ 17	16
Profit from the sale of membership interests					$ 11
Minimum
Lessee, Lease, Description [Line Items]
Lease terms			2 years
Term of operating lease contracts			2 years
Maximum
Lessee, Lease, Description [Line Items]
Lease terms			40 years
Term of operating lease contracts			24 years
DTE Electric | Minimum
Lessee, Lease, Description [Line Items]
Lease terms			2 years
DTE Electric | Maximum
Lessee, Lease, Description [Line Items]
Lease terms			40 years