Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2023

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligations

Changes to Asset retirement obligations for 2023, 2022, and 2021 were as follows:

	2023		2022		2021
DTE Energy	(In millions)
Asset retirement obligations at January 1	$	3,460	$	3,162	$	2,829
Accretion	198		184		167
Liabilities incurred	7		24		28
Liabilities settled	(96)		(7)		(30)
Revision in estimated cash flows	(13)		97		168
Asset retirement obligations at December 31	$	3,556	$	3,460	$	3,162

	2023		2022		2021
DTE Electric	(In millions)
Asset retirement obligations at January 1	$	3,221	$	2,932	$	2,607
Accretion	185		172		155
Liabilities incurred	4		22		29
Liabilities settled	(81)		(2)		(27)
Revision in estimated cash flows	(3)		97		168
Asset retirement obligations at December 31	$	3,326	$	3,221	$	2,932