Consolidated Statements of Operations - DTE Electric Company - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Revenues — Utility operations	$ 8,243	$ 7,288	$ 6,845
Operating Expenses
Fuel, purchased power, and gas — utility	2,505	1,904	1,719
Taxes other than income	457	431	395
Asset (gains) losses and impairments, net	(5)	33	37
Operating Expenses	17,480	13,469	9,868
Operating Income	1,748	1,495	1,555
Other (Income) and Deductions
Interest expense	675	630	601
Interest income	(46)	(22)	(29)
Non-operating retirement benefits, net	(1)	17	50
Other income	(58)	(254)	(259)
Other expenses	66	75	104
Other (Income) and Deductions	636	839	473
Income Before Income Taxes	1,112	656	1,082
Income Tax Expense	29	(130)	37
Net Income Attributable to DTE Energy Company/DTE Electric Company	1,083	907	1,368
DTE Electric
Operating Revenues — Utility operations	6,397	5,809	5,506
Operating Expenses
Fuel, purchased power, and gas — utility	1,990	1,541	1,397
Operation and maintenance	1,538	1,569	1,505
Depreciation and amortization	1,204	1,109	1,043
Taxes other than income	338	320	296
Asset (gains) losses and impairments, net	8	1	41
Operating Expenses	5,078	4,540	4,282
Operating Income	1,319	1,269	1,224
Other (Income) and Deductions
Interest expense	370	335	331
Interest income	(8)	0	(2)
Non-operating retirement benefits, net	(3)	(2)	(1)
Other income	(65)	(71)	(87)
Other expenses	44	37	96
Other (Income) and Deductions	338	299	337
Income Before Income Taxes	981	970	887
Income Tax Expense	26	104	109
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 955	$ 866	$ 778