Consolidated Statements of Financial Position (Unaudited) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets
Cash and cash equivalents	$ 60	$ 52
Restricted cash, principally Securitization	61	123
Accounts receivable (less allowance for doubtful accounts of $60 and $55, respectively)
Customer	1,257	1,542
Other	120	127
Inventories
Fuel and gas	511	363
Materials and supplies	282	265
Derivative assets	68	99
Regulatory assets	91	26
Other	305	209
Total Current Assets	2,755	2,806
Investments
Nuclear decommissioning trust funds	1,229	1,191
Other	618	603
Total Investments	1,847	1,794
Property
Property, plant and equipment	26,169	25,123
Less accumulated depreciation and amortization	(9,670)	(9,323)
Property, plant and equipment, net	16,499	15,800
Other Assets
Goodwill	2,018	2,018
Regulatory assets	2,704	2,837
Securitized regulatory assets	86	231
Intangible assets	108	122
Notes receivable	87	102
Derivative assets	29	27
Other	243	198
Total Noncurrent Assets	5,275	5,535
Total Assets	26,376	25,935
Current Liabilities
Accounts payable	873	962
Accrued interest	110	90
Dividends payable	122	116
Short-term borrowings	653	131
Current portion long-term debt, including capital leases	274	898
Derivative liabilities	134	195
Regulatory liabilities	164	302
Other	475	495
Total Current Liabilities	2,805	3,189
Long-Term Debt (net of current portion)
Mortgage bonds, notes and other	7,426	6,618
Securitization bonds, noncurrent	0	105
Junior subordinated debentures	480	480
Capital lease obligations	3	11
Total Long-Term Debt (net of current portion)	7,909	7,214
Other Liabilities
Deferred income taxes	3,546	3,321
Regulatory liabilities	715	862
Asset retirement obligations	1,911	1,827
Unamortized investment tax credit	43	47
Derivative liabilities	19	43
Accrued pension liability	499	653
Accrued postretirement liability	286	350
Nuclear decommissioning	179	178
Other	278	297
Total Noncurrent Liabilities	7,476	7,578
Commitments and Contingencies (Notes 7 and 11)
Equity
Common stock, without par value, 400,000,000 shares authorized, 176,991,277 and 177,087,230 shares issued and outstanding, respectively	3,900	3,907
Retained earnings	4,402	4,150
Accumulated other comprehensive loss	(133)	(136)
Total DTE Energy Company Equity	8,169	7,921
Noncontrolling interests	17	33
Total Equity	8,186	7,954
Total Liabilities and Equity	$ 26,376	$ 25,935