Consolidated Statements of Operations (Unaudited) - DTE Energy Company - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Operating Revenues
Utility operations	$ 2,270	$ 2,223	$ 6,937	$ 6,509
Non-utility operations	1,457	1,304	5,300	4,877
Operating Revenues	3,727	3,527	12,237	11,386
Operating Expenses
Fuel, purchased power, and gas — utility	530	502	1,841	1,631
Fuel, purchased power, gas, and other — non-utility	1,320	1,175	4,991	4,517
Operation and maintenance	628	583	2,012	1,754
Depreciation and amortization	506	464	1,487	1,367
Taxes other than income	139	134	429	399
Asset (gains) losses and impairments, net	1	50	4	48
Operating Expenses	3,124	2,908	10,764	9,716
Operating Income	603	619	1,473	1,670
Other (Income) and Deductions
Interest expense	317	271	911	777
Interest income	(32)	(26)	(96)	(74)
Other income	(64)	(54)	(189)	(147)
Other expenses	19	15	54	44
Other (Income) and Deductions	240	206	680	600
Income Before Income Taxes	363	413	793	1,070
Income Tax Benefit	(107)	(6)	(206)	(23)
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 470	$ 419	$ 999	$ 1,093
Basic Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 2.26	$ 2.02	$ 4.80	$ 5.26
Diluted Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 2.25	$ 2.01	$ 4.79	$ 5.26
Weighted Average Common Shares Outstanding
Basic (in shares)	208	207	208	207
Diluted (in shares)	208	207	208	207