Implications of Potential Early Plant Retirements Implications of Potential Early Plant Retirements (Tables)

3 Months Ended

Mar. 31, 2016

Property, Plant and Equipment [Abstract]

ImplicationsofPotentialEarlyPlantRetirement [Table Text Block]

(in millions)	Quad Cities			Clinton				Ginna			Total
Asset Balances
Materials and supplies inventory	$	47		$	58			$	30		$	135
Nuclear fuel inventory, net	213			95				54			362
Completed plant, net	1,014			574				127			1,715
Construction work in progress	28			11				11			50
Liability Balances
Asset retirement obligation	(706		)	(407		)		(651		)	(1,764		)
NRC License Renewal Term	2032			2046			(a)	2029

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(a) Assumes Clinton seeks and receives a 20-year operating license renewal extension