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Short-Term Credit Arrangements and Borrowings (Tables)

9 Months Ended

Sep. 30, 2025

Short-Term Debt [Abstract]

Schedule of Availability Under Credit Facilities

The availability under these facilities as of September 30, 2025 is shown in the following table:

			DTE Energy						DTE Electric						DTE Gas						Total
			(In millions)
Unsecured revolving credit facility, expiring October 2029			$	1,500					$	800					$	300					$	2,600
Unsecured letter of credit facility, expiring June 2026(a)			150						—						—						150
Unsecured letter of credit facility, expiring February 2027			150						—						—						150
Unsecured letter of credit facility, expiring June 2027			100						—						—						100
Unsecured letter of credit facility(b)			50						—						—						50
Unsecured letter of credit facility(c)			—						150						—						150
			1,950						950						300						3,200
Amounts outstanding at September 30, 2025
Commercial paper issuances			—						216						—						216
Letters of credit			311						133						—						444
			311						349						—						660
Net availability at September 30, 2025			$	1,639					$	601					$	300					$	2,540

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(a)Uncommitted letter of credit facility.

(b)Uncommitted letter of credit facility with automatic renewal provision and therefore no expiration.

(c)Uncommitted letter of credit facility with automatic renewal provision and therefore no expiration. DTE Energy may also utilize availability under this facility.

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- Definition

Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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X

- References

No definition available.

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