Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating Revenues
Utility operations	$ 1,909	$ 1,655	$ 4,143	$ 3,608
Non-utility operations	3,015	1,366	5,358	2,994
Operating Revenues	4,924	3,021	9,501	6,602
Operating Expenses
Fuel, purchased power, and gas — utility	607	390	1,307	934
Fuel, purchased power, gas, and other — non-utility	3,059	1,347	5,301	2,942
Operation and maintenance	599	568	1,195	1,135
Depreciation and amortization	366	339	724	666
Taxes other than income	115	108	238	223
Asset (gains) losses and impairments, net	(5)	27	(5)	27
Operating Expenses	4,741	2,779	8,760	5,927
Operating Income	183	242	741	675
Other (Income) and Deductions
Interest expense	161	166	315	321
Interest income	(8)	(6)	(16)	(10)
Non-operating retirement benefits, net	(5)	3	(8)	7
Loss on extinguishment of debt	0	8	0	8
Other income	(11)	(54)	(19)	(97)
Other expenses	31	10	44	20
Other (Income) and Deductions	168	127	316	249
Income Before Income Taxes	15	115	425	426
Income Tax Expense (Benefit) (Note 2)	(22)	1	(6)	(5)
Net Income from Continuing Operations	37	114	431	431
Net Income from Discontinued Operations, Net of Taxes (Note 4)	0	65	0	145
Net Income	37	179	431	576
Less: Net Income (Loss) Attributable to Noncontrolling Interests
Continuing operations	0	(3)	0	(6)
Discontinued operations	0	3	0	6
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 37	$ 179	$ 431	$ 576
Basic Earnings per Common Share
Continuing operations (in dollars per share)	$ 0.19	$ 0.60	$ 2.22	$ 2.25
Discontinued operations (in dollars per share)	0	0.32	0	0.72
Basic Earnings per Common Share (in dollars per share)	0.19	0.92	2.22	2.97
Diluted Earnings per Common Share
Continuing operations (in dollars per share)	0.19	0.60	2.22	2.25
Discontinued operations (in dollars per share)	0	0.32	0	0.72
Diluted Earnings per Common Share (in dollars per share)	$ 0.19	$ 0.92	$ 2.22	$ 2.97
Weighted Average Common Shares Outstanding
Basic (in shares)	193	193	193	193
Diluted (in shares)	194	194	194	194