Asset Retirement Obligations Asset Retirement Obligations (Tables)

12 Months Ended

Sep. 30, 2024


Asset Retirement Obligation Activity (in millions)
	Nuclear		Non-Nuclear		Total
Balance at September 30, 2022	$	3,643	$	3,519	$	7,162
Settlements	(8)		(271)		(279)
Revisions in estimate (non-cash)	7		362		369


Accretion (recorded as regulatory asset)	166		71		237

Balance at September 30, 2023	3,808		3,681		7,489		(1)

Settlements	(4)		(253)		(257)
Revisions in estimate (non-cash)	(160)		292		132


Additional obligations (non-cash)	—		3,136		3,136
Accretion (recorded as regulatory asset)	170		136		306

Balance at September 30, 2024	$	3,814	$	6,992	$	10,806	(1)

Note

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