Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Utility operations	$ 1,748	$ 1,528	$ 4,847	$ 4,726
Non-utility operations	1,180	1,070	2,909	3,124
Operating Revenues	2,928	2,598	7,756	7,850
Operating Expenses
Fuel, purchased power, and gas — utility	503	458	1,482	1,585
Fuel, purchased power, and gas — non-utility	1,034	870	2,527	2,644
Operation and maintenance	562	542	1,620	1,600
Depreciation and amortization	230	196	702	625
Taxes other than income	92	91	282	282
Asset (gains) losses and impairments, net	0	1	(1)	9
Operating Expenses	2,421	2,158	6,612	6,745
Operating Income	507	440	1,144	1,105
Other (Income) and Deductions
Interest expense	114	116	341	341
Interest income	(3)	(4)	(17)	(10)
Other income	(51)	(55)	(160)	(155)
Other expenses	12	17	27	36
Total Other (Income) and Deductions	72	74	191	212
Income Before Income Taxes	435	366	953	893
Income Tax Expense	110	102	243	250
Net Income	325	264	710	643
Less: Net Loss Attributable to Noncontrolling Interests	(13)	(1)	(27)	(4)
Net Income Attributable to DTE Energy Company/DTE Electric	$ 338	$ 265	$ 737	$ 647
Basic Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 1.88	$ 1.47	$ 4.10	$ 3.61
Diluted Earnings per Common Share
Net Income Attributable to DTE Energy Company (in dollars per share)	$ 1.88	$ 1.47	$ 4.10	$ 3.61
Weighted Average Common Shares Outstanding
Basic (in shares)	179	179	179	179
Diluted (in shares)	180	180	180	179
Dividends Declared per Common Share (in dollars per share)	$ 0.77	$ 0.73	$ 2.23	$ 2.11
DTE Electric
Utility operations	$ 1,608	$ 1,385	$ 3,976	$ 3,735
Operating Expenses
Fuel and purchased power — utility	495	441	1,191	1,212
Operation and maintenance	363	330	1,019	966
Depreciation and amortization	176	141	539	461
Taxes other than income	73	73	216	214
Operating Expenses	1,107	985	2,965	2,853
Operating Income	501	400	1,011	882
Other (Income) and Deductions
Interest expense	66	66	196	196
Interest income	0	0	(8)	0
Other income	(15)	(14)	(48)	(42)
Other expenses	9	15	22	32
Total Other (Income) and Deductions	60	67	162	186
Income Before Income Taxes	441	333	849	696
Income Tax Expense	156	117	302	244
Net Income Attributable to DTE Energy Company/DTE Electric	$ 285	$ 216	$ 547	$ 452