
	Three months ended June 30,				Nine months ended June 30,
in millions, except per share amounts	2025		2024		2025		2024
Income for basic earnings per common share:
Net income available to common shareholders	$	435	$	491	$	1,527	$	1,462
Less allocation of earnings and dividends to participating securities	—		(1)		(2)		(3)
Net income available to common shareholders after participating securities	$	435	$	490	$	1,525	$	1,459
Income for diluted earnings per common share:
Net income available to common shareholders	$	435	$	491	$	1,527	$	1,462
Less allocation of earnings and dividends to participating securities	—		(1)		(2)		(3)
Net income available to common shareholders after participating securities	$	435	$	490	$	1,525	$	1,459
Common shares:
Average common shares in basic computation	201.2		206.8		203.0		207.9
Dilutive effect of outstanding stock options and certain RSUs	4.3		5.5		4.6		5.2
Average common and common equivalent shares used in diluted computation	205.5		212.3		207.6		213.1
Earnings per common share:
Basic	$	2.16	$	2.37	$	7.51	$	7.02
Diluted	$	2.12	$	2.31	$	7.35	$	6.85
Stock options and certain RSUs excluded from weighted-average diluted common shares because their effect would be antidilutive	1.1		0.1		1.1		0.1

The allocation of earnings and dividends to participating securities in the preceding table represents dividends paid during the period to participating securities, consisting of RSAs and certain RSUs, plus an allocation of undistributed earnings to such participating securities. Participating securities and related dividends paid on these participating securities were insignificant for each of the three and nine months ended June 30, 2025 and 2024. Undistributed earnings are allocated to participating securities based upon their right to share in earnings as if all earnings for the period had been distributed.