Inventories

6 Months Ended

Mar. 31, 2023

Inventory Disclosure [Abstract]

Inventories

Note 6 — Inventories

Inventories comprise the following: 

	March 31, 2023		September 30, 2022		March 31, 2022
Non-utility LPG and natural gas	$	230	$	335	$	253
Gas Utility natural gas	20		166		6
Energy certificates	76		70		63
Materials, supplies and other	107		94		76
Total inventories	$	433	$	665	$	398