Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2025

Commitments and Contingencies Disclosure [Abstract]

Schedule of Purchase Commitments

The Registrants estimate the following commitments from 2026 through 2057, as detailed in the following tables:

	2026		2027		2028		2029		2030		2031 and Thereafter		Total
DTE Energy	(In millions)
Long-term power purchase agreements(a)	$	116	$	128	$	151	$	151	$	151	$	1,699	$	2,396
Other purchase commitments(b)	3,506		1,441		529		266		249		701		6,692
Total commitments	$	3,622	$	1,569	$	680	$	417	$	400	$	2,400	$	9,088
	2026		2027		2028		2029		2030		2031 and Thereafter		Total
DTE Electric	(In millions)
Long-term power purchase agreements(a)	$	122	$	133	$	156	$	153	$	153	$	1,704	$	2,421
Other purchase commitments(b)	602		411		147		34		13		117		1,324
Total commitments	$	724	$	544	$	303	$	187	$	166	$	1,821	$	3,745

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(a)The agreements represent the minimum obligations with suppliers for renewable energy and renewable energy credits under existing contract terms which expire from 2030 through 2055. DTE Electric's share of plant output ranges from 28% to 100%. Purchase commitments for DTE Electric include affiliate agreements with DTE Sustainable Generation that are eliminated in consolidation for DTE Energy.

(b)Excludes amounts associated with full requirements contracts where no stated minimum purchase volume is required.