Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating Revenues	$ 2,598	$ 2,595	$ 7,850	$ 9,223
Operating Expenses
Fuel, purchased power, and gas	1,053	1,119	3,393	4,550
Operation and maintenance	817	860	2,436	2,512
Depreciation and amortization	196	293	625	855
Taxes other than income	91	86	282	268
Asset (gains) losses and impairments, net	1	(2)	9	(10)
Total operating expenses	2,158	2,356	6,745	8,175
Operating Income	440	239	1,105	1,048
Other (Income) and Deductions
Interest expense	116	107	341	323
Interest income	(4)	(2)	(10)	(7)
Other income	(55)	(55)	(155)	(136)
Other expenses	17	11	36	29
Total Other (Income) and Deductions	74	61	212	209
Income Before Income Taxes	366	178	893	839
Income Tax Expense	102	21	250	229
Net Income	264	157	643	610
Less: Net Income (Loss) Attributable to Noncontrolling Interests	(1)	1	(4)	4
Net Income Attributable to DTE Energy Company/DTE Electric	$ 265	$ 156	$ 647	$ 606
Basic Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 1.47	$ 0.88	$ 3.61	$ 3.42
Diluted Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 1.47	$ 0.88	$ 3.61	$ 3.42
Weighted Average Common Shares Outstanding
Basic (in shares)	179	177	179	177
Diluted (in shares)	180	177	179	177
Dividends Declared per Common Share (in dollars per share)	$ 0.73	$ 0.69	$ 2.11	$ 2.00
DTE Electric
Operating Revenues	$ 1,385	$ 1,357	$ 3,735	$ 4,048
Operating Expenses
Fuel, purchased power, and gas	441	430	1,212	1,328
Operation and maintenance	330	351	966	1,022
Depreciation and amortization	141	238	461	695
Taxes other than income	73	66	214	202
Asset (gains) losses and impairments, net	0	0	0	(1)
Total operating expenses	985	1,085	2,853	3,246
Operating Income	400	272	882	802
Other (Income) and Deductions
Interest expense	66	65	196	189
Other income	(14)	(15)	(42)	(45)
Other expenses	15	11	32	26
Total Other (Income) and Deductions	67	61	186	170
Income Before Income Taxes	333	211	696	632
Income Tax Expense	117	75	244	229
Net Income Attributable to DTE Energy Company/DTE Electric	$ 216	$ 136	$ 452	$ 403