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Common Stock	3 Months Ended
Common Stock	Mar. 31, 2013
Stockholders' Equity Note [Abstract]
Schedule of Stock by Class [Table Text Block]	COMMON STOCK Common Stock On March 12, 2013, the Company contributed $50 million of DTE Energy common stock to the DTE Energy Company Affiliates Employee Benefit Plans Master Trust. The contribution consisted of 750,075 shares valued at $66.66 per share, the closing market price of DTE Energy common stock on that date in accordance with fair value measurement and accounting requirements.

Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.

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