Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Long-term Purchase Commitments

The Registrants estimate the following commitments from 2019 through 2051 for DTE Energy, and 2019 through 2039 for DTE Electric, as detailed in the following table:

	DTE Energy		DTE Electric
	(In millions)
2019	$	2,691	$	777
2020	1,311		541
2021	632		171
2022	409		88
2023	351		85
2024 and thereafter	1,953		737
	$	7,347	$	2,399