Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Utility operations	$ 1,435	$ 1,357	$ 3,099	$ 3,198
Non-utility operations	827	911	1,729	2,054
Operating Revenues	2,262	2,268	4,828	5,252
Operating Expenses
Fuel, purchased power, and gas — utility	414	434	979	1,127
Fuel, purchased power, and gas — non-utility	717	769	1,493	1,774
Operation and maintenance	542	532	1,058	1,058
Depreciation and amortization	243	220	472	429
Taxes other than income	91	91	190	191
Asset (gains) losses and impairments, net	(1)	18	(1)	8
Operating Expenses	2,006	2,064	4,191	4,587
Operating Income	256	204	637	665
Other (Income) and Deductions
Interest expense	114	115	227	225
Interest income	(3)	(2)	(14)	(6)
Other income	(57)	(49)	(109)	(100)
Other expenses	7	9	15	19
Total Other (Income) and Deductions	61	73	119	138
Income Before Income Taxes	195	131	518	527
Income Tax Expense	50	26	133	148
Net Income	145	105	385	379
Less: Net Loss Attributable to Noncontrolling Interests	(7)	(4)	(14)	(3)
Net Income (Loss) Attributable to DTE Energy Company/DTE Electric	$ 152	$ 109	$ 399	$ 382
Basic Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 0.84	$ 0.61	$ 2.22	$ 2.13
Diluted Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 0.84	$ 0.61	$ 2.22	$ 2.13
Weighted Average Common Shares Outstanding
Basic (in shares)	179	179	179	179
Diluted (in shares)	180	179	180	179
Dividends Declared per Common Share (in dollars per share)	$ 0.73	$ 0.69	$ 1.46	$ 1.38
DTE Electric
Utility operations	$ 1,215	$ 1,147	$ 2,368	$ 2,350
Operating Expenses
Fuel and purchased power — utility	361	381	696	771
Operation and maintenance	332	319	656	636
Depreciation and amortization	187	165	363	320
Taxes other than income	70	68	143	141
Operating Expenses	950	933	1,858	1,868
Operating Income	265	214	510	482
Other (Income) and Deductions
Interest expense	65	67	130	130
Interest income	0	0	(8)	0
Other income	(17)	(13)	(33)	(28)
Other expenses	6	8	13	17
Total Other (Income) and Deductions	54	62	102	119
Income Before Income Taxes	211	152	408	363
Income Tax Expense	76	53	146	127
Net Income (Loss) Attributable to DTE Energy Company/DTE Electric	$ 135	$ 99	$ 262	$ 236