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Asset Retirement Obligations (Tables)

9 Months Ended

Jun. 30, 2024

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation Activity

Asset Retirement Obligation Activity (in millions)
			Nuclear						Non-Nuclear						Total
Balance at September 30, 2023			$	3,808					$	3,681					$	7,489		(1)
Settlements			(4)						(186)						(190)
Revisions in estimate (non-cash)			(161)						297						136
Additional obligations (non-cash)			—						3,136						3,136
Accretion (recorded as regulatory asset)			128						72						200
Balance at June 30, 2024			$	3,771					$	7,000					$	10,771		(1)

Note

(1) Includes $283 million and $272 million at June 30, 2024, and September 30, 2023, respectively, in Current liabilities.

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- References

No definition available.

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- Definition

Tabular disclosure of the carrying amount of a liability for asset retirement obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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