Serverance And Plant Retirements (Tables)

3 Months Ended

Mar. 31, 2014

Corporate Restructuring And Plant Retirements Tables [Abstract]

Activity of severance obligations for the corporate restructuring (excluding obligations recorded in equity)

Severance Liability		Exelon		Generation		ComEd		PECO		BGE
Balance at December 31, 2013	$	53	$	10	$	0	$	0	$	6
Payments		(12)		(1)		0		0		(2)
Balance at March 31, 2014	$	41	$	9	$	0	$	0	$	4

Schedule Of Severance Costs [TableTextBlock]

Severance Benefits		Exelon		Generation		ComEd		PECO		BGE
Severance charges - 2014	$	4	$	4	$	0	$	0	$	0
Severance charges - 2013		1		0		1		0		0