Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Revenues
Utility operations	$ 7,466	$ 8,243	$ 7,288
Non-utility operations	5,279	10,985	7,676
Operating Revenues	12,745	19,228	14,964
Operating Expenses
Fuel, purchased power, and gas — utility	1,845	2,505	1,904
Fuel, purchased power, gas, and other — non-utility	4,413	10,655	7,304
Operation and maintenance	2,160	2,400	2,420
Depreciation and amortization	1,606	1,468	1,377
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
Loss on extinguishment of debt	0	0	393
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 (Benefit)	169	29	(130)
Net Income from Continuing Operations	1,397	1,083	786
Net Income from Discontinued Operations, Net of Taxes (Note 4)	0	0	117
Net Income	1,397	1,083	903
Less: Net Income (Loss) Attributable to Noncontrolling Interests
Continuing operations	0	0	(10)
Discontinued operations	0	0	6
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 1,397	$ 1,083	$ 907
Basic Earnings per Common Share
Continuing operations (in dollars per share)	$ 6.77	$ 5.53	$ 4.11
Discontinued operations (in dollars per share)	0	0	0.57
Basic Earnings per Common Share (in dollars per share)	6.77	5.53	4.68
Diluted Earnings per Common Share
Continuing operations (in dollars per share)	6.76	5.52	4.10
Discontinued operations (in dollars per share)	0	0	0.57
Diluted Earnings per Common Share (in dollars per share)	$ 6.76	$ 5.52	$ 4.67
Weighted Average Common Shares Outstanding
Basic (in shares)	206	195	193
Diluted (in shares)	206	196	194