Consolidated Statements of Financial Position (Unaudited) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents	$ 66	$ 37
Restricted cash	21	23
Accounts receivable (less allowance for doubtful accounts)
Customer	1,250	1,276
Other	87	72
Inventories
Fuel and gas	467	480
Materials and supplies	326	323
Notes receivable
Derivative assets	56	129
Regulatory assets	65	32
Prepaid property tax	130	62
Other	127	141
Total Current Assets	2,595	2,575
Investments
Nuclear decommissioning trust funds	1,321	1,236
Investment in equity method investees	706	514
Other	199	186
Total Investments	2,226	1,936
Property
Property, plant, and equipment	28,748	28,121
Accumulated depreciation and amortization	(10,198)	(10,087)
Property, plant and equipment, net	18,550	18,034
Other Assets
Goodwill	2,018	2,018
Regulatory assets	3,686	3,692
Intangible assets	91	89
Notes receivable	75	85
Derivative assets	46	54
Other	175	179
Total Noncurrent Assets	6,091	6,117
Total Assets	29,462	28,662
Accounts payable
Accounts payable	813	809
Accrued interest	115	89
Dividends payable	138	131
Short-term borrowings	410	499
Current portion long-term debt, including capital leases	15	473
Derivative liabilities	85	57
Regulatory liabilities	38	41
Short-term borrowings
Other	355	429
Total Current Liabilities	1,969	2,528
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	8,691	8,265
Junior subordinated debentures	780	480
Capital lease obligations	7	15
Total Long-Term Debt (net of current portion)	9,478	8,760
Other Liabilities
Deferred income taxes	4,140	3,923
Regulatory liabilities	552	569
Asset retirement obligations	2,268	2,194
Unamortized investment tax credit	89	62
Derivative liabilities	99	86
Accrued pension liability	1,132	1,133
Accrued postretirement liability	148	228
Nuclear decommissioning	195	177
Other	243	207
Total Noncurrent Liabilities	8,866	8,579
Commitments and Contingencies
Equity
Common stock	4,137	4,123
Retained earnings	5,131	4,794
Accumulated other comprehensive income (loss)	(138)	(145)
Total DTE Energy Company Equity	9,130	8,772
Noncontrolling interests	19	23
Total Equity	9,149	8,795
Total Liabilities and Equity	29,462	28,662
DTE Electric
Current Assets
Cash and cash equivalents	16	15
Accounts receivable (less allowance for doubtful accounts)
Customer	778	657
Affiliates	14	14
Other	48	40
Inventories
Fuel and gas	231	271
Materials and supplies	273	251
Notes receivable
Affiliates	64	0
Other	5	0
Regulatory assets	57	17
Prepaid property tax	101	44
Other	13	22
Total Current Assets	1,600	1,331
Investments
Nuclear decommissioning trust funds	1,321	1,236
Other	33	35
Total Investments	1,354	1,271
Property
Property, plant, and equipment	21,737	21,391
Accumulated depreciation and amortization	(7,662)	(7,646)
Property, plant and equipment, net	14,075	13,745
Other Assets
Regulatory assets	2,960	2,969
Intangible assets	44	34
Prepaid postretirement costs — affiliates	24	24
Other	133	144
Total Noncurrent Assets	3,161	3,171
Total Assets	20,190	19,518
Accounts payable
Affiliates	50	40
Other	350	329
Accrued interest	69	62
Accrued vacation	43	44
Current portion long-term debt, including capital leases	6	157
Regulatory liabilities	21	19
Short-term borrowings
Affiliates	112	75
Other	0	272
Other	94	94
Total Current Liabilities	745	1,092
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	5,877	5,437
Capital lease obligations	7	15
Total Long-Term Debt (net of current portion)	5,884	5,452
Other Liabilities
Deferred income taxes	3,757	3,498
Regulatory liabilities	219	199
Asset retirement obligations	2,084	2,020
Unamortized investment tax credit	86	58
Nuclear decommissioning	195	177
Accrued pension liability — affiliates	985	976
Accrued postretirement liability — affiliates	255	307
Other	75	66
Total Noncurrent Liabilities	7,656	7,301
Commitments and Contingencies
Equity
Common stock	4,086	4,086
Retained earnings	1,817	1,585
Accumulated other comprehensive income (loss)	2	2
Total DTE Energy Company Equity	5,905	5,673
Total Liabilities and Equity	$ 20,190	$ 19,518