Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2022

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligations

Changes to Asset retirement obligations for 2022, 2021, and 2020 were as follows:

	2022		2021		2020
DTE Energy	(In millions)
Asset retirement obligations at January 1	$	3,162	$	2,829	$	2,656
Accretion	184		167		156
Liabilities incurred	24		28		24
Liabilities settled	(7)		(30)		(13)
Revision in estimated cash flows	97		168		6
Asset retirement obligations at December 31	$	3,460	$	3,162	$	2,829

	2022		2021		2020
DTE Electric	(In millions)
Asset retirement obligations at January 1	$	2,932	$	2,607	$	2,447
Accretion	172		155		145
Liabilities incurred	22		29		18
Liabilities settled	(2)		(27)		(8)
Revision in estimated cash flows	97		168		5
Asset retirement obligations at December 31	$	3,221	$	2,932	$	2,607