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Common Stock
9 Months Ended
Sep. 30, 2012
Stockholders' Equity Note [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]
COMMON STOCK

On June 18, 2012, the Company contributed $80 million of DTE Energy common stock to the DTE Energy Company Affiliates Employee Benefit Plans Master Trust. The common stock was valued using the closing market price of DTE Energy common stock on that date in accordance with fair value measurement and accounting requirements.