Short-Term Credit Arrangements and Borrowings (Tables)

3 Months Ended

Mar. 31, 2024

Short-Term Debt [Abstract]

Schedule of Line of Credit Facilities

The availability under these facilities as of March 31, 2024 is shown in the following table:

	DTE Energy		DTE Electric		DTE Gas		Total
	(In millions)
Unsecured revolving credit facility, expiring October 2028	$	1,500	$	800	$	300	$	2,600
Unsecured letter of credit facility, expiring June 2024	175		—		—		175
Unsecured letter of credit facility, expiring February 2025	150		—		—		150
Unsecured letter of credit facilities(a)	150		—		—		150
Unsecured letter of credit facility(b)	—		100		—		100
	1,975		900		300		3,175
Amounts outstanding at March 31, 2024
Commercial paper issuances	80		210		—		290
Letters of credit	96		58		—		154
	176		268		—		444
Net availability at March 31, 2024	$	1,799	$	632	$	300	$	2,731

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(a)Uncommitted letter of credit facilities with automatic renewal provision and therefore no expiration.

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