Debt and Credit Agreements (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule of Short-term Debt

Exelon had bank lines of credit under committed credit facilities at March 31, 2015 for short-term financial needs, as follows:

Type of Credit Facility	Amount(a)		Expiration Dates	Capacity Type
	(In billions)
Exelon Corporate
Syndicated Revolver(b)	$	0.5	May 2019	Letters of credit and cash
Generation
Syndicated Revolver	5.1		May 2019	Letters of credit and cash
Syndicated Revolver	0.2		August 2018	Letters of credit and cash
Bilateral	0.3		December 2015 and April 2016	Letters of credit and cash
Bilateral	0.1		January 2017	Letters of credit
Bilateral	0.1		October 2015	Letters of credit and cash
ComEd
Syndicated Revolver	1.0		March 2019	Letters of credit and cash
PECO
Syndicated Revolver(b)	0.6		May 2019	Letters of credit and cash
BGE
Syndicated Revolver(b)	0.6		May 2019	Letters of credit and cash
Total	$	8.5

(a) Excludes additional credit facility agreements for Generation, ComEd, PECO and BGE with aggregate commitments of $50 million, $34 million, $34 million and $5 million, respectively, arranged with minority and community banks located primarily within ComEd’s, PECO’s and BGE’s service territories. These facilities expire on October 16, 2015. These facilities are solely utilized to issue letters of credit. As of March 31, 2015, letters of credit issued under these agreements for Generation, ComEd, PECO and BGE totaled $7 million, $16 million, $21 million and $1 million, respectively. Also, excludes the unsecured bridge credit facility of $3.2 billion to support the PHI transaction discussed below.

(b) Syndicated revolvers include credit facility commitments of $22 million, $27 million and $27 million for Exelon Corporate, PECO and BGE, respectively, which expire in August 2018.

The Registrants had the following amounts of commercial paper borrowings outstanding as of March 31, 2015 and December 31, 2014:

Commercial Paper Borrowings	March 31, 2015		December 31, 2014
Exelon Corporate	$	—	$	—
Generation	—		—
ComEd	283		304
PECO	—		—
BGE	—		120

Schedule Of Issuance Of Long Term Debt

During the three months endedMarch 31, 2015, the following long-term debt was issued:

Company	Type	Interest Rate		Maturity	Amount		Use of Proceeds
Generation	Senior Unsecured Notes (a)	2.95	%	January 15, 2020	$	750	Fund the optional redemption of Exelon's $550 million, 4.550% Senior Notes and for general corporate purposes
Generation	AVSR DOE Nonrecourse Debt	2.293 - 2.559 %		January 5, 2037	$	14	Antelope Valley solar development
Generation	Energy Efficiency Project Financing	3.71	%	October 1, 2035	$	42	Funding to install energy conservation measures in Coleman, Florida
ComEd	Mortgage Bonds Series 118	3.70	%	March 1, 2045	$	400	Refinance maturing mortgage bonds, repay a portion of ComEd's outstanding commercial paper obligations and for general corporate purposes

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(a) In connection with the issuance of Senior Unsecured Notes, Exelon terminated floating-to-fixed interest rate swaps that had been designated as cash flow hedges. See Note 8 — Derivative Financial Instruments for further information on the swap termination.

Schedule of Long-term Debt Instruments

During the three months endedMarch 31, 2014, the following long-term debt was issued:

Company	Type	Interest Rate		Maturity	Amount		Use of Proceeds
Generation	ExGen Renewables I Nonrecourse Debt	LIBOR + 4.25%		February 6, 2021	$	300	General corporate purposes
ComEd	First Mortgage Bonds Series 115	2.15	%	January 15, 2019	$	300	Refinance maturing mortgage bonds and general corporate purposes
ComEd	First Mortgage Bonds Series 116	4.70	%	January 15, 2044	$	350	Refinance maturing mortgage bonds and general corporate purposes

Retirement and Redemptions of Current and Long-Term Debt

During the three months endedMarch 31, 2014, the following long-term debt was retired and/or redeemed:

Company	Type	Interest Rate		Maturity	Amount
Generation	2003 Senior Notes	5.350	%	January 15, 2014	$	500
Generation	Pollution Control Loan	4.100	%	July 1, 2014	$	20
Generation	Continental Wind Nonrecourse Debt	6.000	%	February 28, 2033	$	11
Generation	Kennett Square Capital Lease	7.830	%	September 20, 2020	$	1
ComEd	Mortgage Bonds Series 110	1.630	%	January 15, 2014	$	600
ComEd	Pollution Control Series 1994C	5.850	%	January 15, 2014	$	17

During the three months endedMarch 31, 2015, the following long-term debt was retired and/or redeemed:

Company	Type	Interest Rate		Maturity	Amount
Exelon Corporate(a)	Unsecured Notes	4.55	%	June 15, 2015	$	550
Generation(a)	Unsecured Notes	4.55	%	June 15, 2015	$	550
Generation	CEU Upstream Nonrecourse Debt	LIBOR + 2.25%		July 22, 2016	$	2
Generation	AVSR DOE Nonrecourse Debt	2.29%-3.56%		January 5, 2037	$	4
Generation	Kennett Square Capital Lease	7.83	%	September 20, 2020	$	1
Generation	Continental Wind Nonrecouse Debt	6.00	%	February 28, 2033	$	10
Generation	ExGen Texas Power Nonrecouse Debt	LIBOR + 4.75%		September 18, 2021	$	2