Debt and Credit Agreements Quarter-End (Tables)

6 Months Ended

Jun. 30, 2011

Debt Tables [Abstract]

Commercial paper and credit facility borrowings outstanding

Commercial Paper Borrowings	June 30, 2011		December 31, 2010
Exelon Corporate	$	140	$	0
Generation		0		0
ComEd		0		0
PECO		0		0

Issuance of Long-Term Debt

Company	Type	Interest Rate		Maturity	Amount		Use of Proceeds
ComEd	First Mortgage Bonds	1.625	%	January 15, 2014	$	600	Used as an interim source of liquidity for the January 2011 contribution to Exelon-sponsored pension plans in which ComEd participates and for other general corporate purposes.

Retirement of Long-Term Debt

Company	Type	Interest Rate		Maturity	Amount
Generation	Kennett Square Capital Lease	7.83	%	September 20, 2020	$	1
ComEd	Sinking fund debentures	4.75	%	December 1, 2011		1

Company	Type	Interest Rate		Maturity	Amount
ComEd	Sinking fund debentures	4.75	%	December 1, 2011	$	1
Generation	Kennett Square Capital Lease	7.83	%	September 20, 2020		1
Generation	Montgomery County Series 1994 B Tax Exempt Bonds	Variable		June 1, 2029		13
Generation	Indiana County Series 2003 A Tax Exempt Bonds	Variable		June 1, 2027		17
Generation	York County Series 1993 A Tax Exempt Bonds	Variable		August 1, 2016		19
Generation	Salem County 1993 Series A Tax Exempt Bonds	Variable		March 1, 2025		23
Generation	Delaware County 1993 Series A Tax Exempt Bonds	Variable		August 1, 2016		24
Generation	Montgomery County Series 1996 A Tax Exempt Bonds	Variable		March 1, 2034		34
Generation	Montgomery County Series 1994 A Tax Exempt Bonds	Variable		June 1, 2029		83
Exelon	2005 Senior Notes	4.45	%	June 15, 2010		400
PECO	PETT Transition Bonds	6.52	%	September 1, 2010		402