Leases (Details Textuals) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Lessor, finance lease extension term	5 years
Depreciation expense associated with property under operating leases	$ 8	$ 11	$ 22
Interest income recognized under finance leases	$ 27	$ 24	$ 17
Minimum
Lessee, Lease, Description [Line Items]
Lessee, lease terms	2 years
Lessor, operating lease term	2 years
Maximum
Lessee, Lease, Description [Line Items]
Lessee, lease terms	40 years
Lessor, operating lease term	24 years
DTE Electric | Minimum
Lessee, Lease, Description [Line Items]
Lessee, lease terms	2 years
DTE Electric | Maximum
Lessee, Lease, Description [Line Items]
Lessee, lease terms	40 years