Inventories

6 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

Note 6 — Inventories

Inventories comprise the following: 

	March 31, 2022		September 30, 2021		March 31, 2021
Non-utility LPG and natural gas	$	253	$	278	$	179
Gas Utility natural gas	6		68		3
Energy certificates	63		53		31
Materials, supplies and other	76		70		55
Total inventories	$	398	$	469	$	268