Consolidated Statements of Operations (Unaudited) - DTE Energy Company - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Operating Revenues
Utility operations	$ 2,223	$ 1,903	$ 6,509	$ 5,938
Non-utility operations	1,304	1,003	4,877	3,083
Operating Revenues	3,527	2,906	11,386	9,021
Operating Expenses
Fuel, purchased power, and gas — utility	502	453	1,631	1,488
Fuel, purchased power, gas, and other — non-utility	1,175	832	4,517	2,666
Operation and maintenance	583	547	1,754	1,680
Depreciation and amortization	464	438	1,367	1,288
Taxes other than income	134	119	399	364
Asset (gains) losses and impairments, net	50	0	48	(1)
Operating Expenses	2,908	2,389	9,716	7,485
Operating Income	619	517	1,670	1,536
Other (Income) and Deductions
Interest expense	271	252	777	703
Interest income	(26)	(48)	(74)	(102)
Other income	(54)	(54)	(147)	(146)
Other expenses	15	11	44	33
Other (Income) and Deductions	206	161	600	488
Income Before Income Taxes	413	356	1,070	1,048
Income Tax Benefit	(6)	(121)	(23)	(64)
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 419	$ 477	$ 1,093	$ 1,112
Basic Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 2.02	$ 2.30	$ 5.26	$ 5.37
Diluted Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 2.01	$ 2.30	$ 5.26	$ 5.36
Weighted Average Common Shares Outstanding
Basic (in shares)	207	207	207	207
Diluted (in shares)	207	207	207	207