Acquisitions (Tables)

6 Months Ended

Jun. 30, 2011

Business Acquisition [Line Items]

Schedule Of Business Acquisitions By Acquisition Text Block

Fair Value of Consideration Transferred
Cash (a)	$	893
Contingent consideration		32
Total fair value of consideration recorded	$	925
Recognized amounts of identifiable assets acquired and liabilities assumed
Property, plant and equipment	$	700
Intangible assets		224
Working capital		18
Asset retirement obligations		(13)
Noncontrolling interest		(3)
Other		(1)
Total net identifiable assets	$	925

_____________

(a) On September 30, 2010, Generation issued $900 million of senior notes, the proceeds of which were used to fund the acquisition.

Schedule Of Finite Lived Intangible Assets By Major Class Text Block

								Estimated amortization expense
		Gross		Accumulated Amortization		Net		Second Half of 2011		2012		2013		2014		2015
Generation
	Exelon Wind acquisition	$	224	$	(7)	$	217	$	6	$	13	$	14	$	14	$	14
Total intangible assets		$	224	$	(7)	$	217	$	6	$	13	$	14	$	14	$	14

Exelon Generation Co L L C [Member]

Business Acquisition [Line Items]

Schedule Of Business Acquisitions By Acquisition Text Block

Fair Value of Consideration Transferred
Cash (a)	$	893
Contingent consideration		32
Total fair value of consideration recorded	$	925
Recognized amounts of identifiable assets acquired and liabilities assumed
Property, plant and equipment	$	700
Intangible assets		224
Working capital		18
Asset retirement obligations		(13)
Noncontrolling interest		(3)
Other		(1)
Total net identifiable assets	$	925

_____________

(a) On September 30, 2010, Generation issued $900 million of senior notes, the proceeds of which were used to fund the acquisition.

Schedule Of Finite Lived Intangible Assets By Major Class Text Block

								Estimated amortization expense
		Gross		Accumulated Amortization		Net		Second Half of 2011		2012		2013		2014		2015
Generation
	Exelon Wind acquisition	$	224	$	(7)	$	217	$	6	$	13	$	14	$	14	$	14
Total intangible assets		$	224	$	(7)	$	217	$	6	$	13	$	14	$	14	$	14