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Inventories
12 Months Ended
Sep. 30, 2024
Inventory Disclosure [Abstract]  
Inventories
Note 10 — Inventories
Inventories comprise the following at September 30:
20242023
Non-utility LPG and natural gas$195 $212 
Gas Utility natural gas50 55 
Energy certificates69 64 
Materials, supplies and other97 102 
Total inventories$411 $433