Consolidated Statements of Operations - DTE Electric Company - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Revenues — Utility operations	$ 7,990	$ 7,466	$ 8,243
Operating Expenses
Fuel, purchased power, and gas — utility	1,978	1,845	2,505
Taxes other than income	487	462	457
Asset (gains) losses and impairments, net	28	16	(5)
Operating Expenses	10,366	10,502	17,480
Operating Income	2,091	2,243	1,748
Other (Income) and Deductions
Interest expense	951	791	675
Interest income	(136)	(57)	(46)
Non-operating retirement benefits, net	0	9	(1)
Other income	(167)	(102)	(58)
Other expenses	73	36	66
Other (Income) and Deductions	721	677	636
Income Before Income Taxes	1,370	1,566	1,112
Income Tax Expense (Benefit)	(34)	169	29
Net Income Attributable to DTE Energy Company/DTE Electric Company	1,404	1,397	1,083
DTE Electric
Operating Revenues — Utility operations	6,277	5,804	6,397
Operating Expenses
Fuel, purchased power, and gas — utility	1,618	1,492	1,990
Operation and maintenance	1,435	1,421	1,538
Depreciation and amortization	1,432	1,326	1,204
Taxes other than income	352	338	338
Asset (gains) losses and impairments, net	12	26	8
Operating Expenses	4,849	4,603	5,078
Operating Income	1,428	1,201	1,319
Other (Income) and Deductions
Interest expense	495	429	370
Interest income	(7)	(20)	(8)
Non-operating retirement benefits, net	(5)	(4)	(3)
Other income	(144)	(87)	(65)
Other expenses	49	33	44
Other (Income) and Deductions	388	351	338
Income Before Income Taxes	1,040	850	981
Income Tax Expense (Benefit)	(32)	78	26
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 1,072	$ 772	$ 955