Short-Term Credit Arrangements and Borrowings (Tables)

6 Months Ended

Jun. 30, 2023

Short-Term Debt [Abstract]

Schedule of Line of Credit Facilities

The availability under these facilities as of June 30, 2023 is shown in the following table:

	DTE Energy		DTE Electric		DTE Gas		Total
	(In millions)
Unsecured revolving credit facility, expiring October 2027	$	1,500	$	800	$	300	$	2,600
Unsecured letter of credit facility, expiring June 2024	275		—		—		275
Unsecured letter of credit facility, expiring February 2025	150		—		—		150
Unsecured letter of credit facility(a)	100		—		—		100
Unsecured letter of credit facility(b)	—		100		—		100
	2,025		900		300		3,225
Amounts outstanding at June 30, 2023
Commercial paper issuances	306		222		—		528
Letters of credit	289		—		—		289
	595		222		—		817
Net availability at June 30, 2023	$	1,430	$	678	$	300	$	2,408

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(a)Uncommitted letter of credit facility 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.