Changes in Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2023

Schedule Of Changes In Accumulated Other Comprehensive Income (Loss)

The following table presents changes in Exelon's AOCI, net of tax, by component:


	Cash Flow Hedges		Pension and Non-Pension Postretirement Benefit Plan Items (a)		Foreign Currency Items		Total
Balance at December 31, 2020	$	(5)	$	(3,372)	$	(23)	$	(3,400)

OCI before reclassifications	(1)		432		—		431
Amounts reclassified from AOCI	—		219		—		219
Net current-period OCI	$	(1)	$	651	$	—	$	650
Balance at December 31, 2021	$	(6)	$	(2,721)	$	(23)	$	(2,750)
Separation of Constellation	6		1,994		23		2,023
OCI before reclassifications	2		46		—		48
Amounts reclassified from AOCI	—		41		—		41
Net current-period OCI	$	2	$	87	$	—	$	89
Balance at December 31, 2022	$	2	$	(640)	$	—	$	(638)
OCI before reclassifications	(4)		(109)		—		(113)
Amounts reclassified from AOCI	(1)		26		—		25
Net current-period OCI	$	(5)	$	(83)	$	—	$	(88)
Balance at December 31, 2023	$	(3)	$	(723)	$	—	$	(726)

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(a)This AOCI component is included in the computation of net periodic pension and OPEB cost. Additionally, as of February 1, 2022, in connection with the separation, Exelon's pension and OPEB plans were remeasured. See Note 14 — Retirement Benefits for additional information. See Exelon's Statements of Operations and Comprehensive Income for individual components of AOCI.

Schedule of Income Taxes Allocated to Other Comprehensive Income (Loss) Components

The following table presents income tax benefit (expense) allocated to each component of Exelon's Other comprehensive income (loss):


	For the Years Ended December 31,
	2023		2022		2021
Pension and non-pension postretirement benefit plans:
Prior service benefits reclassified to periodic benefit cost	$	—	$	—	$	4
Actuarial losses reclassified to periodic benefit cost	(8)		(14)		(76)
Pension and non-pension postretirement benefit plans valuation adjustments	33		(14)		(153)
Unrealized gains on cash flow hedges	2		—		—