Consolidated Statements of Operations - DTE Electric Company - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Revenues — Utility operations	$ 7,466	$ 8,243	$ 7,288
Operating Expenses
Fuel, purchased power, and gas — utility	1,845	2,505	1,904
Taxes other than income	462	457	431
Asset (gains) losses and impairments, net	16	(5)	33
Operating Expenses	10,502	17,480	13,469
Operating Income	2,243	1,748	1,495
Other (Income) and Deductions
Interest expense	791	675	630
Interest income	(57)	(46)	(22)
Non-operating retirement benefits, net	9	(1)	17
Other income	(102)	(58)	(254)
Other expenses	36	66	75
Other (Income) and Deductions	677	636	839
Income Before Income Taxes	1,566	1,112	656
Income Tax Expense	169	29	(130)
Net Income Attributable to DTE Energy Company/DTE Electric Company	1,397	1,083	907
DTE Electric
Operating Revenues — Utility operations	5,804	6,397	5,809
Operating Expenses
Fuel, purchased power, and gas — utility	1,492	1,990	1,541
Operation and maintenance	1,421	1,538	1,569
Depreciation and amortization	1,326	1,204	1,109
Taxes other than income	338	338	320
Asset (gains) losses and impairments, net	26	8	1
Operating Expenses	4,603	5,078	4,540
Operating Income	1,201	1,319	1,269
Other (Income) and Deductions
Interest expense	429	370	335
Interest income	(20)	(8)	0
Non-operating retirement benefits, net	(4)	(3)	(2)
Other income	(87)	(65)	(71)
Other expenses	33	44	37
Other (Income) and Deductions	351	338	299
Income Before Income Taxes	850	981	970
Income Tax Expense	78	26	104
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 772	$ 955	$ 866