Utility Regulatory Assets and Liabilities and Regulatory Matters (Tables)

6 Months Ended

Mar. 31, 2024

The following regulatory assets and liabilities associated with Utilities are included on the Condensed Consolidated Balance Sheets:


	March 31, 2024		September 30, 2023		March 31, 2023
Regulatory assets (a):
Income taxes recoverable	$	93	$	94	$	94
Underfunded pension plans	109		111		118
Environmental costs	32		28		34
Deferred fuel and power costs	—		27		38
Removal costs, net	23		23		22
Other	55		64		53
Total regulatory assets	$	312	$	347	$	359
Regulatory liabilities (a):
Postretirement benefit overcollections	$	11	$	12	$	10

Deferred fuel and power refunds	34		55		28
State tax benefits — distribution system repairs	44		43		39

Excess federal deferred income taxes	250		254		262
Other	8		2		6
Total regulatory liabilities	$	347	$	366	$	345

(a)Current regulatory assets are included in “Prepaid expenses and other current assets” and regulatory liabilities are included in “Other current liabilities” and “Other noncurrent liabilities” on the Condensed Consolidated Balance Sheets.

Schedule of Regulatory Liabilities

The following regulatory assets and liabilities associated with Utilities are included on the Condensed Consolidated Balance Sheets:


	March 31, 2024		September 30, 2023		March 31, 2023
Regulatory assets (a):
Income taxes recoverable	$	93	$	94	$	94
Underfunded pension plans	109		111		118
Environmental costs	32		28		34
Deferred fuel and power costs	—		27		38
Removal costs, net	23		23		22
Other	55		64		53
Total regulatory assets	$	312	$	347	$	359
Regulatory liabilities (a):
Postretirement benefit overcollections	$	11	$	12	$	10

Deferred fuel and power refunds	34		55		28
State tax benefits — distribution system repairs	44		43		39

Excess federal deferred income taxes	250		254		262
Other	8		2		6
Total regulatory liabilities	$	347	$	366	$	345