Consolidated Statements of Operations (Unaudited) - DTE Energy Company - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Revenues
Utility operations	$ 1,617	$ 1,909	$ 3,677	$ 4,143
Non-utility operations	1,067	3,015	2,786	5,358
Operating Revenues	2,684	4,924	6,463	9,501
Operating Expenses
Fuel, purchased power, and gas — utility	345	607	929	1,307
Fuel, purchased power, gas, and other — non-utility	925	3,059	2,362	5,301
Operation and maintenance	505	599	1,105	1,195
Depreciation and amortization	396	366	781	724
Taxes other than income	114	115	236	238
Asset (gains) losses and impairments, net	2	(5)	1	(5)
Operating Expenses	2,287	4,741	5,414	8,760
Operating Income	397	183	1,049	741
Other (Income) and Deductions
Interest expense	192	161	383	315
Interest income	(13)	(8)	(30)	(16)
Non-operating retirement benefits, net	5	(5)	8	(8)
Other income	(31)	(11)	(57)	(19)
Other expenses	9	31	15	44
Other (Income) and Deductions	162	168	319	316
Income Before Income Taxes	235	15	730	425
Income Tax Expense (Benefit)	34	(22)	84	(6)
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 201	$ 37	$ 646	$ 431
Basic Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 0.97	$ 0.19	$ 3.13	$ 2.22
Diluted Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 0.97	$ 0.19	$ 3.13	$ 2.22
Weighted Average Common Shares Outstanding
Basic (in shares)	206	193	206	193
Diluted (in shares)	206	194	206	194