Debt and Credit Agreements (Tables)

3 Months Ended

Mar. 31, 2022

Debt Instrument [Line Items]

Schedule of Commercial Paper Borrowings

The following table reflects the Registrants' commercial paper programs as of March 31, 2022 and December 31, 2021. PECO and ComEd had no commercial paper borrowings as of March 31, 2022 and December 31, 2021.

	Outstanding Commercial Paper as of				Average Interest Rate on Commercial Paper Borrowings as of
Commercial Paper Issuer	March 31, 2022		December 31, 2021		March 31, 2022		December 31, 2021
Exelon(a)	$	250	$	599	0.87	%	0.35	%
BGE	250		130		0.87	%	0.37	%
PHI(b)	—		469		—	%	0.35	%
Pepco	—		175		—	%	0.33	%
DPL	—		149		—	%	0.36	%
ACE	—		145		—	%	0.35	%

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(a)Exelon Corporate had no outstanding commercial paper borrowings as of March 31, 2022 and December 31, 2021.

(b)Represents the consolidated amounts of Pepco, DPL, and ACE.

Schedule of Revolving Credit Agreements

On February 1, 2022, Exelon Corporate and the Utility Registrants' each entered into a new 5-year revolving credit facility that replaced its existing syndicated revolving credit facility. The following table reflects the credit agreements:

Borrower	Aggregate Bank Commitment	Interest Rate
Exelon Corporate	900	SOFR plus 1.275	%
ComEd	1,000	SOFR plus 1.000	%
PECO	600	SOFR plus 0.900	%
BGE	600	SOFR plus 0.900	%
Pepco	300	SOFR plus 1.075	%
DPL	300	SOFR plus 1.000	%
ACE	300	SOFR plus 1.075	%

Schedule of Long-term Debt Instruments [Table Text Block]

During the three months ended March 31, 2022, the following long-term debt was issued:

Company	Type	Interest Rate	Maturity	Amount	Use of Proceeds
Exelon	SMBC Term Loan Agreement	SOFR plus 0.65%	July 21, 2023	$300	Fund a cash payment to Constellation and for general corporate purposes.
Exelon	U.S. Bank Term Loan Agreement	SOFR plus 0.65%	July 21, 2023	300	Fund a cash payment to Constellation and for general corporate purposes.
Exelon	PNC Term Loan Agreement	SOFR plus 0.65%	July 24, 2023	250	Fund a cash payment to Constellation and for general corporate purposes.
Exelon	Notes	2.75%	March 15, 2027	650	Repay existing indebtedness and for general corporate purposes.
Exelon	Notes	3.35%	March 15, 2032	650	Repay existing indebtedness and for general corporate purposes.
Exelon	Notes	4.10%	March 15, 2052	700	Repay existing indebtedness and for general corporate purposes.
ComEd	First Mortgage Bonds, Series 132	3.15%	March 15, 2032	300	Repay outstanding commercial paper obligations and to fund other general corporate purposes.
ComEd	First Mortgage Bonds, Series 133	3.85%	March 15, 2052	450	Repay outstanding commercial paper obligations and to fund other general corporate purposes.
Pepco(a)	First Mortgage Bonds	3.97%	March 24, 2052	400	Repay existing indebtedness and for general corporate purposes.
DPL	First Mortgage Bonds	3.06%	February 15, 2052	125	Repay existing indebtedness and for general corporate purposes.
ACE	First Mortgage Bonds	2.27%	February 15, 2032	25	Repay existing indebtedness and for general corporate purposes.
ACE	First Mortgage Bonds	3.06%	February 15, 2052	150	Repay existing indebtedness and for general corporate purposes.

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(a)On March 24, 2022, Pepco entered into a purchase agreement of First Mortgage Bonds of $225 million at 3.35% due on September 15, 2032. The closing date of the issuance is expected to occur in September 2022.