Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2012

Long-term Debt, Unclassified [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

the Company issued the following long-term debt (in millions):

Company	Month	Type	Interest Rate		Maturity	Amount
Detroit Edison	June	Mortgage Bonds (a)	2.65	%	2022	$	250
Detroit Edison	June	Mortgage Bonds (a)	3.95	%	2042	250
						$	500

Schedule of Extinguishment of Debt [Table Text Block]

012, the following debt was retired, through payment at maturity (in millions):

Company	Month	Type	Interest Rate		Maturity	Amount
MichCon	May	Secured Medium Term Notes	7.06	%	2012	$	40
Detroit Edison	July	Senior Notes	5.20	%	2012	225
						$	265