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Asset Retirement Obligations (Tables)

3 Months Ended

Dec. 31, 2024

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation Activity

Asset Retirement Obligation Activity (in millions)
			Nuclear						Non-nuclear						Total
Balance at September 30, 2024			$	3,814					$	6,992					$	10,806		(1)
Settlements			(7)						(61)						(68)
Revisions in estimate (non-cash)			—						(24)						(24)
Accretion (recorded as regulatory asset)			43						65						108
Balance at December 31, 2024			$	3,850					$	6,972					$	10,822		(1)

Note

(1) Includes $301 million and $283 million at December 31, 2024, and September 30, 2024, 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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