Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table presents the gross amount, accumulated impairment loss, and carrying amount of Goodwill at Exelon, ComEd, and PHI at December 31, 2023 and 2022. There were no additions or impairments during the years ended December 31, 2023 and 2022.

	Gross Amount		Accumulated Impairment Loss		Carrying Amount
Exelon	$	8,613	$	1,983	$	6,630
ComEd(a)	4,608		1,983		2,625
PHI(b)	4,005		—		4,005

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(a)Reflects goodwill recorded in 2000 from the PECO/Unicom merger (predecessor parent company of ComEd).

(b)Reflects goodwill recorded in 2016 from the PHI merger.

Schedule of Finite-Lived Intangible Assets

Exelon’s other intangible assets, included in Other current assets and Other deferred debits and other assets in the Consolidated Balance Sheets, consisted of the following at December 31, 2023 and 2022. Exelon's and PHI's other intangible liabilities, included in current and noncurrent Unamortized energy contract liabilities in their Consolidated Balance Sheets, consisted of the following at December 31, 2023 and 2022. The intangible assets and liabilities shown below are amortized on a straight-line basis, except for unamortized energy contracts which are amortized in relation to the expected realization of the underlying cash flows:

	December 31, 2023						December 31, 2022
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Exelon
Unamortized Energy Contracts	$	(1,515)	$	1,480	$	(35)	$	(1,515)	$	1,470	$	(45)
Software License	81		(70)		11		81		(61)		20
Exelon Total	$	(1,434)	$	1,410	$	(24)	$	(1,434)	$	1,409	$	(25)
PHI
Unamortized Energy Contracts	$	(1,515)	$	1,480	$	(35)	$	(1,515)	$	1,470	$	(45)

Schedule of Finite-Lived Intangible Assets Amortization Expense

The following table summarizes the amortization expense related to intangible assets and liabilities for each of the years ended December 31, 2023, 2022, and 2021:

For the Years Ended December 31,	Exelon(a)		PHI(a)
2023	$	(1)	$	(10)
2022(b)	(182)		(190)
2021	(83)		(92)

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(a)For PHI unamortized energy contracts, the amortization of the fair value adjustment amounts and the corresponding offsetting regulatory asset amounts are amortized through Purchased power and fuel expense in their Consolidated Statements of Operations and Comprehensive Income resulting in no effect to net income.

(b)On March 23, 2022, the NJBPU approved a petition by ACE to terminate the provisions in its PPAs. As such, the contract was fully amortized during the year ended December 31, 2022. See Note 3 - Regulatory Matters for additional information.