Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Interest Rate Derivatives

Below is a summary of the interest rate hedge balances as of December 31, 2022. Exelon had no interest rate hedge activity in 2021.

December 31, 2022	Derivatives Designated as Hedging Instruments		Economic Hedges		Total
Other deferred debits (noncurrent assets)	$	6	$	5	$	11
Total derivative assets	6		5		11
Mark-to-market derivative liabilities (current liabilities)	—		(3)		(3)
Mark-to-market derivative liabilities (noncurrent liabilities)	(4)		—		(4)
Total mark-to-market derivative liabilities	(4)		(3)		(7)
Total mark-to-market derivative net assets	$	2	$	2	$	4

Derivative Instruments, Gain (Loss)

For the year ended December 31, 2022, Exelon Corporate recognized the following net pre-tax mark-to-market losses which are also recognized in Net fair value changes related to derivatives in Exelon's Consolidated Statements of Cash Flows. Exelon had no swaps for the years ended December 31, 2021 and 2020.

	Loss
Income Statement Location	2022
Electric operating revenues	$	2
Interest expense	3
Total	$	5