Short-Term Credit Arrangements and Borrowings (Tables)

3 Months Ended

Mar. 31, 2025

Short-Term Debt [Abstract]

Schedule of Line of Credit Facilities

The availability under these facilities as of March 31, 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 2025(a)	175		—		—		$	175
Unsecured letter of credit facility, expiring February 2027	150		—		—		150
Unsecured letter of credit facility, expiring June 2026	100		—		—		100
Unsecured letter of credit facility(b)	50		—		—		50
Unsecured letter of credit facility(c)	—		125		—		125
	1,975		925		300		3,200
Amounts outstanding at March 31, 2025
Commercial paper issuances	—		513		—		513
Letters of credit	173		121		—		294
	173		634		—		807
Net availability at March 31, 2025	$	1,802	$	291	$	300	$	2,393

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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.