Restructuring Activities (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Liabilities Subject to Compromise [Line Items]

Schedule of Liabilities Subject to Compromise [Table Text Block]

EME's LSTC are summarized below:

(in millions)	December 31, 2013		December 31, 2012
Senior notes, net	$	3,700	$	3,700
Accounts payable and accrued liabilities	53		32
Interest payable	154		154
Other	108		73
Total liabilities subject to compromise	$	4,015	$	3,959

Schedule of Reorganization Charges

EME's and Midwest Generation's significant items in reorganization charges, excluding discontinued operations, consisted of:

	Years Ended December 31,
	2013						2012
(in millions)	Midwest Generation		Other EME Subsidiaries		EME		Midwest Generation		Other EME Subsidiaries		EME
Provision for allowable claims	$	19	$	—	$	19	$	6	$	—	$	6
Write off of unamortized deferred financing costs and debt discounts	—		—		—		—		15		15
Professional fees	22		79		101		—		22		22
Total reorganization items, net	$	41	$	79	$	120	$	6	$	37	$	43

Midwest Generation LLC [Member]

Schedule of Liabilities Subject to Compromise [Line Items]

Schedule of Liabilities Subject to Compromise [Table Text Block]

Midwest Generation's LSTC are summarized below:

(in millions)	December 31, 2013		December 31, 2012
Lease financing	$	434	$	434
Accounts payable and accrued liabilities	42		29
Interest payable	11		13
Other	53		53
Total liabilities subject to compromise	$	540	$	529