EARNINGS PER SHARE (Tables)

3 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table presents the computation of basic and diluted earnings per common share.

	Three months ended December 31,
in millions, except per share amounts	2022		2021
Income for basic earnings per common share:
Net income available to common shareholders	$	507	$	446
Less allocation of earnings and dividends to participating securities	(1)		(1)
Net income available to common shareholders after participating securities	$	506	$	445
Income for diluted earnings per common share:
Net income available to common shareholders	$	507	$	446
Less allocation of earnings and dividends to participating securities	(1)		(1)
Net income available to common shareholders after participating securities	$	506	$	445
Common shares:
Average common shares in basic computation	214.7		206.3
Dilutive effect of outstanding stock options and certain RSUs	5.7		6.1
Average common and common equivalent shares used in diluted computation	220.4		212.4
Earnings per common share:
Basic	$	2.36	$	2.16
Diluted	$	2.30	$	2.10
Stock options and certain RSUs excluded from weighted-average diluted common shares because their effect would be antidilutive	1.2		—