Short-Term Credit Arrangements and Borrowings (Tables)

9 Months Ended

Sep. 30, 2022

Short-Term Debt [Abstract]

Schedule of Line of Credit Facilities

The availability under these facilities as of September 30, 2022 is shown in the following table:

	DTE Energy		DTE Electric		DTE Gas		Total
	(In millions)
Unsecured revolving credit facility, expiring April 2026	$	1,500	$	500	$	300	$	2,300
Unsecured Canadian revolving credit facility, expiring May 2023	79		—		—		79
Unsecured letter of credit facility, expiring February 2023	150		—		—		150
Unsecured letter of credit facility, expiring June 2023	375		—		—		375
Unsecured letter of credit facility(a)	50		—		—		50
	2,154		500		300		2,954
Amounts outstanding at September 30, 2022
Revolver borrowings	79		—		—		79
Commercial paper issuances	326		459		130		915
Letters of credit	338		—		—		338
	743		459		130		1,332
Net availability at September 30, 2022	$	1,411	$	41	$	170	$	1,622

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(a)Uncommitted letter of credit facility with automatic renewal provision for each July and therefore no expiration.