Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Revenues
Utility operations	$ 8,243	$ 7,288	$ 6,845
Non-utility operations	10,985	7,676	4,578
Operating Revenues	19,228	14,964	11,423
Operating Expenses
Fuel, purchased power, and gas — utility	2,505	1,904	1,719
Fuel, purchased power, gas, and other — non-utility	10,655	7,304	4,120
Operation and maintenance	2,400	2,420	2,305
Depreciation and amortization	1,468	1,377	1,292
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
Loss on extinguishment of debt	0	393	6
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 (Benefit) (Note 10)	29	(130)	37
Net Income from Continuing Operations	1,083	786	1,045
Net Income from Discontinued Operations, Net of Taxes (Note 4)	0	117	326
Net Income	1,083	903	1,371
Less: Net Income (Loss) Attributable to Noncontrolling Interests
Continuing operations	0	(10)	(9)
Discontinued operations	0	6	12
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 1,083	$ 907	$ 1,368
Basic Earnings per Common Share
Continuing operations (in dollars per share)	$ 5.53	$ 4.11	$ 5.46
Discontinued operations (in dollars per share)	0	0.57	1.63
Basic Earnings per Common Share (in dollars per share)	5.53	4.68	7.09
Diluted Earnings per Common Share
Continuing operations (in dollars per share)	5.52	4.10	5.45
Discontinued operations (in dollars per share)	0	0.57	1.63
Diluted Earnings per Common Share (in dollars per share)	$ 5.52	$ 4.67	$ 7.08
Weighted Average Common Shares Outstanding
Basic (in shares)	195	193	193
Diluted (in shares)	196	194	193