Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating Revenues
Utility operations	$ 1,844	$ 1,656	$ 5,119	$ 4,937
Non-utility operations	1,440	1,463	3,770	4,584
Operating Revenues	3,284	3,119	8,889	9,521
Operating Expenses
Fuel, purchased power, and gas — utility	455	400	1,296	1,342
Fuel, purchased power, and gas — non-utility	1,180	1,257	2,937	3,900
Operation and maintenance	588	588	1,731	1,739
Depreciation and amortization	356	322	1,059	923
Taxes other than income	103	101	306	311
Asset (gains) losses and impairments, net	(6)	1	39	14
Operating Expenses	2,676	2,669	7,368	8,229
Operating Income	608	450	1,521	1,292
Other (Income) and Deductions
Interest expense	178	162	532	468
Interest income	(15)	(4)	(31)	(11)
Non-operating retirement benefits, net	5	9	20	28
Other income	(120)	(98)	(286)	(259)
Other expenses	20	17	72	40
Other (Income) and Deductions	68	86	307	266
Income Before Income Taxes	540	364	1,214	1,026
Income Tax Expense	63	47	118	122
Net Income	477	317	1,096	904
Less: Net Income (Loss) Attributable to Noncontrolling Interests	1	(2)	3	2
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 476	$ 319	$ 1,093	$ 902
Basic Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 2.47	$ 1.74	$ 5.67	$ 4.93
Diluted Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 2.46	$ 1.73	$ 5.66	$ 4.91
Weighted Average Common Shares Outstanding
Basic (in shares)	193	183	192	183
Diluted (in shares)	193	184	193	184
DTE Electric
Operating Revenues
Utility operations	$ 1,690	$ 1,519	$ 4,211	$ 3,944
Operating Expenses
Fuel, purchased power, and gas — utility	451	399	1,090	1,067
Operation and maintenance	361	356	1,074	1,048
Depreciation and amortization	258	244	768	694
Taxes other than income	79	80	220	233
Asset (gains) losses and impairments, net	0	0	41	13
Operating Expenses	1,149	1,079	3,193	3,055
Operating Income	541	440	1,018	889
Other (Income) and Deductions
Interest expense	83	80	249	234
Interest income	0	0	(2)	(1)
Other income	(18)	(20)	(68)	(78)
Other expenses	18	14	66	34
Other (Income) and Deductions	83	74	245	189
Income Before Income Taxes	458	366	773	700
Income Tax Expense	58	59	96	113
Net Income Attributable to DTE Energy Company/DTE Electric Company	$ 400	$ 307	$ 677	$ 587