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Commitments and Contingencies | 9 Months Ended
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Sep. 30, 2024
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Commitments and Contingencies Commitments Commercial Commitments. Commercial commitments as of September 30, 2024, representing commitments potentially triggered by future events, were as follows:
| Expiration within |  |
| 2024 |  | 2025 |  | 2026 |  | 2027 |  | 2028 |  | 2029 and beyond |  | Total
Letters of credit | $ | 1,202 |  |  | $ | 990 |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | 121 |  |  | $ | 1 |  |  | $ | 2,316 |
Surety bonds(a) | 319 |  |  | 364 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 683 |
Total commercial commitments | $ | 1,521 |  |  | $ | 1,354 |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | 121 |  |  | $ | 1 |  |  | $ | 2,999 |
__________ (a)Surety bonds—Guarantees issued related to contract and commercial agreements, excluding bid bonds. Environmental Remediation Matters General. Our operations have in the past, and may in the future, require substantial expenditures to comply with environmental laws. Additionally, under Federal and state environmental laws, we are generally liable for the costs of remediating environmental contamination of property now or formerly owned by us and of property contaminated by hazardous substances generated by us. We own or lease several real estate parcels, including parcels on which our operations or the operations of others may have resulted in contamination by substances that are considered hazardous under environmental laws. In addition, we are currently involved in proceedings relating to sites where hazardous substances have been deposited and may be subject to additional proceedings in the future. Unless otherwise disclosed, we cannot reasonably estimate whether we will incur significant liabilities for additional investigation and remediation costs at these or additional sites identified by us, environmental agencies, or others. Additional costs could have a material, unfavorable impact on our consolidated financial statements. As of September 30, 2024 and December 31, 2023, we had accrued undiscounted amounts for environmental liabilities of $56 million and $61 million, respectively, in Accounts payable and accrued expenses and $167 million and $88 million, respectively, in Other deferred credits and other liabilities in the Consolidated Balance Sheets. See Note 19 — Commitments and Contingencies of our 2023 Form 10-K for additional information on environmental remediation matters. As of September 30, 2024, and through the date of filing, there have been no material changes in amounts recognized for the matters discussed in our 2023 Form 10-K. Litigation General. We are involved in various other litigation matters that are being defended and handled in the ordinary course of business. The assessment of whether a loss is probable or reasonably possible, and whether the loss or a range of loss is estimable, often involves a series of complex judgments about future events. We maintain accruals for such losses that are probable of being incurred and subject to reasonable estimation. Management is sometimes unable to estimate an amount or range of reasonably possible loss, particularly where (1) the damages sought are indeterminate, (2) the proceedings are in the early stages, or (3) the matters involve novel or unsettled legal theories. In such cases, there is considerable uncertainty regarding the timing or ultimate resolution of such matters, including a possible eventual loss. See Note 19 — Commitments and Contingencies of our 2023 Form 10-K for additional information on litigation matters. As of September 30, 2024, and through the date of filing, there have been no significant developments to the matters discussed in our 2023 Form 10-K. Asbestos Personal Injury Claims. We maintain a reserve for claims associated with asbestos-related personal injury actions at certain facilities that are currently owned by us or were previously owned by ComEd, PECO, or BGE. The estimated liabilities are recorded on an undiscounted basis and exclude the estimated legal costs associated with handling these matters, which could be material. At September 30, 2024 and December 31, 2023, we recorded estimated liabilities of approximately $126 million and $131 million, respectively, in total for asbestos-related bodily injury claims. As of September 30, 2024, approximately $14 million of this amount related to 201 open claims presented to us, while the remaining $112 million is for estimated future asbestos-related bodily injury claims anticipated to arise through 2055, based on actuarial assumptions and analyses, which are updated on an annual basis. On a quarterly basis, we monitor actual experience against the number of forecasted claims to be received and expected claim payments and evaluate whether adjustments to the estimated liabilities are necessary.

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