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Nuclear Decommissioning (Tables) | 9 Months Ended
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Sep. 30, 2024
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligation | The following table provides a rollforward of the nuclear decommissioning AROs reflected in the Consolidated Balance Sheets from December 31, 2023 to September 30, 2024:
Balance as of December 31, 2023(a) | $ | 13,891 |
Net decrease due to changes in, and timing of, estimated future cash flows | (2,275) |
Accretion expense | 488 |
ARO transferred to Liabilities held for sale | (22) |
Costs incurred related to decommissioning plants | (21) |
Balance as of September 30, 2024(a) | $ | 12,061 |
__________ (a)Includes $14 million and $30 million as the current portion of the ARO as of September 30, 2024 and December 31, 2023, respectively, which is included in Other current liabilities in the Consolidated Balance Sheets.
Related Party Transactions - Noncurrent Receivables from/Payables to affiliates | The following table presents our noncurrent payables to ComEd, PECO, CenterPoint, and AEP Texas reflected as Payables related to Regulatory Agreement Units in the Consolidated Balance Sheets as of September 30, 2024 and December 31, 2023:
| September 30, 2024 |  | December 31, 2023
ComEd | $ | 3,983 |  |  | $ | 2,955 |
PECO | 338 |  |  | 278 |
CenterPoint | 375 |  |  | 338 |
AEP Texas | 132 |  |  | 117 |
Payables related to Regulatory Agreement Units | $ | 4,828 |  |  | $ | 3,688 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
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