Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2024

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligations

Changes to Asset retirement obligations for 2024, 2023, and 2022 were as follows:

	2024		2023		2022
DTE Energy	(In millions)
Asset retirement obligations at January 1	$	3,556	$	3,460	$	3,162
Accretion	211		198		184
Liabilities incurred(a)	324		7		24
Liabilities settled	(14)		(96)		(7)
Revision in estimated cash flows	(46)		(13)		97
Asset retirement obligations at December 31	$	4,031	$	3,556	$	3,460

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(a)Liabilities incurred was primarily due to the impact of the Coal Combustion Residuals on DTE Electric's coal ash storage facility asset retirement obligations. Refer to Note 17 to the Consolidated Financial Statements, "Commitments and Contingencies."

	2024		2023		2022
DTE Electric	(In millions)
Asset retirement obligations at January 1	$	3,326	$	3,221	$	2,932
Accretion	199		185		172
Liabilities incurred(a)	323		4		22
Liabilities settled	(11)		(81)		(2)
Revision in estimated cash flows	(46)		(3)		97
Asset retirement obligations at December 31	$	3,791	$	3,326	$	3,221

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(a)Liabilities incurred was primarily due to the impact of the Coal Combustion Residuals on DTE Electric's coal ash storage facility asset retirement obligations. Refer to Note 17 to the Consolidated Financial Statements, "Commitments and Contingencies."