Preferred and Preferenced Securities

12 Months Ended

Dec. 31, 2011

Preferred and Preference Securities [Abstract]

Preferred Stock [Text Block]

PREFERRED AND PREFERENCE SECURITIES

As of December 31, 2011, the amount of authorized and unissued stock is as follows:

Company	Type of Stock	Par Value		Shares Authorized
DTE Energy	Preferred	$	—	5,000,000
Detroit Edison	Preferred	$	100	6,747,484
Detroit Edison	Preference	$	1	30,000,000
MichCon	Preferred	$	1	7,000,000
MichCon	Preference	$	1	4,000,000