Common Stock

6 Months Ended

Jun. 30, 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. On June 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 753,579 shares valued at $66.35 per share. The shares for both contributions were valued at the closing market price of DTE Energy common stock on the contribution dates in accordance with fair value measurement and accounting requirements.