v3.26.3
Changes in Accumulated Other Comprehensive Income (Tables)
9 Months Ended
Sep. 30, 2026
Changes in Accumulated Other Comprehensive Income [Abstract]  
Schedule of Changes in Accumulated Other Comprehensive Income (Loss)
The following table presents changes in Exelon's AOCI, net of tax, by component:
Three Months Ended September 30, 2026 Cash Flow Hedges
Pension and Non-Pension Postretirement Benefit Plan Items(a)
Total
Balance at June 30, 2026$28 $(778)$(750)
OCI before reclassifications12 — 12 
Amounts reclassified from AOCI(2)7 5 
Net current-period OCI10 7 17 
Balance at September 30, 2026$38 $(771)$(733)
Three Months Ended September 30, 2025 Cash Flow Hedges
Pension and Non-Pension Postretirement Benefit Plan Items(a)
Total
Balance at June 30, 2025$31 $(749)$(718)
OCI before reclassifications(1)— (1)
Amounts reclassified from AOCI(1)5 4 
Net current-period OCI(2)5 3 
Balance at September 30, 2025$29 $(744)$(715)

Nine Months Ended September 30, 2026 Cash Flow Hedges
Pension and Non-Pension Postretirement Benefit Plan Items(a)
Total
Balance at December 31, 2025$33 $(795)$(762)
OCI before reclassifications10 3 13 
Amounts reclassified from AOCI(5)21 16 
Net current-period OCI5 24 29 
Balance at September 30, 2026$38 $(771)$(733)

Nine Months Ended September 30, 2025 Cash Flow Hedges
Pension and Non-Pension Postretirement Benefit Plan Items(a)
Total
Balance at December 31, 2024$45 $(765)$(720)
OCI before reclassifications(11)5 (6)
Amounts reclassified from AOCI(5)16 11 
Net current-period OCI(16)21 5 
Balance at September 30, 2025$29 $(744)$(715)
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(a)This AOCI component is included in the computation of net periodic pension and OPEB cost. See Note 12 — Retirement Benefits of the 2025 Form 10-K and Note 8 — 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):
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
Pension and non-pension postretirement benefit plans:
Actuarial losses reclassified to periodic benefit cost$(2)$(2)$(6)$(6)
Pension and non-pension postretirement benefit plans valuation adjustments— — (1)(2)
Unrealized (losses) gains on cash flow hedges(3)2 (3)4