Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2013

Related Party Transactions [Abstract]

Schedule of Related Party Transactions [Table Text Block]

The following is a summary of transactions with affiliated companies:

	2013			2012		2011
Revenues	(In millions)
Energy sales	$	2		$	2	$	1
Other services	$	7		$	11	$	4
Shared capital assets	$	23		$	26	$	30
Costs
Fuel and power purchases	$	4		$	5	$	1
Other services and interest	$	(1	)	$	1	$	2
Corporate expenses (net)	$	334		$	322	$	304
Other
Dividends declared	$	342		$	317	$	305
Dividends paid	$	342		$	317	$	305
Capital contribution from DTE Energy	$	400		$	—	$	—

	December 31,
	2013		2012
Assets	(In millions)
Accounts receivable (includes income taxes receivable of $23 in 2013)	$	24	$	5
Notes receivable	$	200	$	—
Liabilities
Accounts payable (includes income taxes payable of $13 in 2012)	$	60	$	65
Short-term borrowing	$	58	$	80
Accrued pension liability	$	705	$	1,368
Accrued postretirement liability	$	369	$	996