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WEIGHTED-AVERAGE COMMON SHARES
 12 Months Ended
Sep. 30, 2025
Weighted Average Number of Shares Outstanding, Diluted [Abstract]  
WEIGHTED-AVERAGE COMMON SHARES WEIGHTED-AVERAGE COMMON SHARES
Basic earnings per common share consider only the weighted-average of common shares outstanding while diluted earnings per common share, which are calculated using the two-class method, also consider the dilutive effects of stock options and incentive shares. An inconsequential number of shares of common stock were excluded from the computation of dilutive earnings per share in 2025, 2024 and 2023 as the effect would have been antidilutive. Earnings allocated to participating securities were inconsequential for all years presented.

Reconciliations of weighted-average shares for basic and diluted earnings per common share follow (shares in millions):
2023 2024 2025 
Basic shares outstanding574.2 571.3 564.0 
Dilutive shares3.1 2.7 2.7 
     Diluted shares outstanding577.3 574.0 566.7