Computation of Earnings Per Share

3 Months Ended

Aug. 31, 2017

Earnings Per Share [Abstract]

Computation of Earnings Per Share

(4) Computation of Earnings Per Share

The calculation of basic and diluted earnings per common share for the three-month periods ended August 31 was as follows (in millions, except per share amounts):

	2017		2016
Basic earnings per common share:
Net earnings allocable to common shares(1)	$	595	$	714
Weighted-average common shares		268		265
Basic earnings per common share	$	2.22	$	2.69
Diluted earnings per common share:
Net earnings allocable to common shares(1)	$	595	$	714
Weighted-average common shares		268		265
Dilutive effect of share-based awards		4		4
Weighted-average diluted shares		272		269
Diluted earnings per common share	$	2.19	$	2.65
Anti-dilutive options excluded from diluted earnings per    common share		3.2		5.1

⁽¹⁾ Net earnings available to participating securities were immaterial in all periods presented.