Inventories

9 Months Ended

Jun. 30, 2022

Inventory Disclosure [Abstract]

Inventories

Note 6 — Inventories

Inventories comprise the following: 

	June 30, 2022		September 30, 2021		June 30, 2021
Non-utility LPG and natural gas	$	261	$	278	$	187
Gas Utility natural gas	84		68		16
Energy certificates	70		53		42
Materials, supplies and other	81		70		51
Total inventories	$	496	$	469	$	296