Consolidated Statements of Financial Position (Unaudited) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 63	$ 92
Restricted cash	23	21
Accounts receivable (less allowance for doubtful accounts)
Customer	1,395	1,522
Other	166	71
Inventories
Fuel and gas	453	416
Materials and supplies	363	356
Derivative assets	76	47
Regulatory assets	6	42
Other	270	195
Total Current Assets	2,815	2,762
Investments
Nuclear decommissioning trust funds	1,439	1,320
Investments in equity method investees	971	752
Other	224	201
Total Investments	2,634	2,273
Property
Property, plant, and equipment	30,924	30,029
Accumulated depreciation and amortization	(10,617)	(10,299)
Property, plant, and equipment, net	20,307	19,730
Other Assets
Goodwill	2,293	2,286
Regulatory assets	3,828	3,871
Intangible assets	883	842
Notes receivable	74	73
Derivative assets	62	34
Other	175	170
Total Other Assets	7,315	7,276
Total Assets	33,071	32,041
Accounts payable
Accounts payable	994	1,079
Accrued interest	131	96
Dividends payable	148	148
Short-term borrowings	659	499
Current portion long-term debt, including capital leases	109	14
Derivative liabilities	42	69
Regulatory liabilities	86	34
Short-term borrowings
Other	429	498
Total Current Liabilities	2,598	2,437
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	11,038	10,506
Junior subordinated debentures	756	756
Capital lease obligations	1	7
Total Long-Term Debt (net of current portion)	11,795	11,269
Other Liabilities
Deferred income taxes	4,396	4,162
Regulatory liabilities	489	555
Asset retirement obligations	2,288	2,197
Unamortized investment tax credit	138	93
Derivative liabilities	48	98
Accrued pension liability	922	1,152
Accrued postretirement liability	6	36
Nuclear decommissioning	213	194
Other	325	349
Total Other Liabilities	8,825	8,836
Commitments and Contingencies (Notes 5 and 11)
Equity
Common stock	3,978	4,030
Retained earnings	5,515	5,114
Accumulated other comprehensive income (loss)	(120)	(133)
Total DTE Energy/DTE Electric Company Equity	9,373	9,011
Noncontrolling interests	480	488
Total Equity	9,853	9,499
Total Liabilities and Equity	33,071	32,041
DTE Electric
Current Assets
Cash and cash equivalents	12	13
Accounts receivable (less allowance for doubtful accounts)
Customer	770	728
Affiliates	16	12
Other	86	29
Inventories
Fuel and gas	182	225
Materials and supplies	282	271
Regulatory assets	5	36
Prepaid property tax	107	45
Other	14	18
Total Current Assets	1,474	1,377
Investments
Nuclear decommissioning trust funds	1,439	1,320
Other	35	36
Total Investments	1,474	1,356
Property
Property, plant, and equipment	22,606	22,094
Accumulated depreciation and amortization	(7,921)	(7,721)
Property, plant, and equipment, net	14,685	14,373
Other Assets
Regulatory assets	3,108	3,113
Intangible assets	33	31
Prepaid postretirement costs — affiliates	114	114
Other	124	125
Total Other Assets	3,379	3,383
Total Assets	21,012	20,489
Accounts payable
Affiliates	52	58
Other	371	452
Accrued interest	70	65
Current portion long-term debt, including capital leases	5	6
Regulatory liabilities	70	27
Short-term borrowings
Affiliates	66	117
Other	311	62
Other	146	146
Total Current Liabilities	1,091	933
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	6,016	5,878
Capital lease obligations	1	7
Total Long-Term Debt (net of current portion)	6,017	5,885
Other Liabilities
Deferred income taxes	3,985	3,793
Regulatory liabilities	189	229
Asset retirement obligations	2,094	2,012
Unamortized investment tax credit	136	90
Nuclear decommissioning	213	194
Accrued pension liability — affiliates	826	1,008
Accrued postretirement liability — affiliates	252	269
Other	75	81
Total Other Liabilities	7,770	7,676
Commitments and Contingencies (Notes 5 and 11)
Equity
Common stock	4,206	4,206
Retained earnings	1,926	1,787
Accumulated other comprehensive income (loss)	2	2
Total DTE Energy/DTE Electric Company Equity	6,134	5,995
Total Liabilities and Equity	$ 21,012	$ 20,489