Consolidated Statements of Operations (Unaudited) - DTE Energy Company - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Revenues
Utility operations	$ 2,060	$ 2,234
Non-utility operations	1,719	2,343
Operating Revenues	3,779	4,577
Operating Expenses
Fuel, purchased power, and gas — utility	584	700
Fuel, purchased power, gas, and other — non-utility	1,437	2,242
Operation and maintenance	600	596
Depreciation and amortization	385	358
Taxes other than income	122	123
Asset (gains) losses and impairments, net	(1)	0
Operating Expenses	3,127	4,019
Operating Income	652	558
Other (Income) and Deductions
Interest expense	191	154
Interest income	(17)	(8)
Non-operating retirement benefits, net	3	(3)
Other income	(26)	(8)
Other expenses	6	13
Other (Income) and Deductions	157	148
Income Before Income Taxes	495	410
Income Tax Expense	50	16
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 445	$ 394
Basic Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 2.16	$ 2.03
Diluted Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 2.16	$ 2.03
Weighted Average Common Shares Outstanding
Basic (in shares)	206	193
Diluted (in shares)	206	194