Consolidated Statements of Financial Position (Unaudited) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents	$ 32	$ 37
Restricted cash	22	23
Accounts receivable (less allowance for doubtful accounts)
Customer	1,180	1,276
Other	82	72
Inventories
Fuel and gas	385	480
Materials and supplies	332	323
Notes receivable
Derivative assets	53	129
Regulatory assets	11	32
Other	161	203
Total Current Assets	2,258	2,575
Investments
Nuclear decommissioning trust funds	1,275	1,236
Investment in equity method investees	633	514
Other	193	186
Total Investments	2,101	1,936
Property
Property, plant, and equipment	28,371	28,121
Less accumulated depreciation and amortization	(10,076)	(10,087)
Property, plant and equipment, net	18,295	18,034
Other Assets
Goodwill	2,018	2,018
Regulatory assets	3,729	3,692
Intangible assets	97	89
Notes receivable	77	85
Derivative assets	35	54
Other	159	179
Total Noncurrent Assets	6,115	6,117
Total Assets	28,769	28,662
Accounts payable
Accounts payable	745	809
Accrued interest	91	89
Dividends payable	269	131
Short-term borrowings	175	499
Current portion long-term debt, including capital leases	165	473
Derivative liabilities	47	57
Gas inventory equalization	46	0
Regulatory liabilities	37	41
Short-term borrowings
Other	308	429
Total Current Liabilities	1,883	2,528
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	8,551	8,265
Junior subordinated debentures	780	480
Capital lease obligations	12	15
Total Long-Term Debt (net of current portion)	9,343	8,760
Other Liabilities
Deferred income taxes	4,026	3,923
Regulatory liabilities	572	569
Asset retirement obligations	2,238	2,194
Unamortized investment tax credit	93	62
Derivative liabilities	94	86
Accrued pension liability	1,136	1,133
Accrued postretirement liability	175	228
Nuclear decommissioning	184	177
Other	226	207
Total Noncurrent Liabilities	8,744	8,579
Commitments and Contingencies
Equity
Common stock	4,129	4,123
Retained earnings	4,791	4,794
Accumulated other comprehensive income (loss)	(142)	(145)
Total DTE Energy Company Equity	8,778	8,772
Noncontrolling interests	21	23
Total Equity	8,799	8,795
Total Liabilities and Equity	28,769	28,662
DTE Electric
Current Assets
Cash and cash equivalents	13	15
Accounts receivable (less allowance for doubtful accounts)
Customer	694	657
Affiliates	9	14
Other	34	40
Inventories
Fuel and gas	233	271
Materials and supplies	264	251
Notes receivable
Affiliates	62	0
Other	5	0
Regulatory assets	9	17
Other	58	66
Total Current Assets	1,381	1,331
Investments
Nuclear decommissioning trust funds	1,275	1,236
Other	31	35
Total Investments	1,306	1,271
Property
Property, plant, and equipment	21,479	21,391
Less accumulated depreciation and amortization	(7,577)	(7,646)
Property, plant and equipment, net	13,902	13,745
Other Assets
Regulatory assets	2,998	2,969
Intangible assets	47	34
Prepaid Postretirement Costs, Affiliates	24	24
Other	121	144
Total Noncurrent Assets	3,190	3,171
Total Assets	19,779	19,518
Accounts payable
Affiliates	50	40
Other	313	329
Accrued interest	63	62
Accrued vacation	46	44
Current portion long-term debt, including capital leases	148	157
Regulatory liabilities	34	19
Short-term borrowings
Affiliates	108	75
Other	0	272
Other	74	94
Total Current Liabilities	836	1,092
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	5,735	5,437
Capital lease obligations	12	15
Total Long-Term Debt (net of current portion)	5,747	5,452
Other Liabilities
Deferred income taxes	3,605	3,498
Regulatory liabilities	214	199
Asset retirement obligations	2,057	2,020
Unamortized investment tax credit	89	58
Nuclear decommissioning	184	177
Accrued pension liability — affiliates	981	976
Accrued postretirement liability — affiliates	273	307
Other	68	66
Total Noncurrent Liabilities	7,471	7,301
Commitments and Contingencies
Equity
Common stock	4,086	4,086
Retained earnings	1,637	1,585
Accumulated other comprehensive income (loss)	2	2
Total DTE Energy Company Equity	5,725	5,673
Total Liabilities and Equity	$ 19,779	$ 19,518