Consolidated Statements of Financial Position (Unaudited) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 46	$ 65
Restricted cash, principally Securitization	73	120
Accounts receivable (less allowance for doubtful accounts of $168 and $196, respectively)
Customer	1,206	1,393
Other	121	402
Inventories
Fuel and gas	567	460
Materials and supplies	209	202
Deferred income taxes	130	139
Derivative assets	109	131
Regulatory assets	201	58
Other	249	197
Total Current Assets	2,911	3,167
Investments
Nuclear decommissioning trust funds	893	939
Other	527	518
Total Investments	1,420	1,457
Property
Property, plant and equipment	22,312	21,574
Less accumulated depreciation, depletion and amortization	(8,890)	(8,582)
Property, plant and equipment, net	13,422	12,992
Other Assets
Goodwill	2,020	2,020
Regulatory assets	3,940	4,058
Securitized regulatory assets	618	729
Intangible assets	74	67
Notes receivable	124	123
Derivative assets	59	77
Other	192	206
Total Noncurrent Assets	7,027	7,280
Total Assets	24,780	24,896
Current Liabilities
Accounts payable	708	729
Accrued interest	121	111
Dividends payable	99	95
Short-term borrowings	275	150
Current portion long-term debt, including capital leases	247	925
Derivative liabilities	114	142
Other	536	597
Total Current Liabilities	2,100	2,749
Long-Term Debt (net of current portion)
Mortgage bonds, notes and other	6,702	6,114
Securitization bonds	479	643
Trust preferred-linked securities	289	289
Capital lease obligations	27	43
Total Long-Term Debt (net of current portion)	7,497	7,089
Other Liabilities
Deferred income taxes	3,076	2,632
Regulatory liabilities	1,040	1,328
Asset retirement obligations	1,560	1,498
Unamortized investment tax credit	68	75
Derivative liabilities	62	110
Liabilities from transportation and storage contracts	73	83
Accrued pension liability	680	866
Accrued postretirement liability	1,216	1,275
Nuclear decommissioning	141	149
Other	258	275
Total Noncurrent Liabilities	8,174	8,291
Commitments and Contingencies (Notes 6 and 10)
Equity
Common stock, without par value, 400,000,000 shares authorized, 169,250,934 and 169,428,406 shares issued and outstanding, respectively	3,418	3,440
Retained earnings	3,698	3,431
Accumulated other comprehensive loss	(146)	(149)
Total DTE Energy Company Equity	6,970	6,722
Noncontrolling interests	39	45
Total Equity	7,009	6,767
Total Liabilities and Equity	$ 24,780	$ 24,896