Computation of Earnings Per Share

3 Months Ended

Aug. 31, 2013

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):

		2013		2012
Basic earnings per common share:
Net earnings allocable to common shares(1)		$	489	$	458
Weighted-average common shares			316		315
Basic earnings per common share		$	1.54	$	1.46
Diluted earnings per common share:
Net earnings allocable to common shares(1)		$	489	$	458
Weighted-average common shares			316		315
Dilutive effect of share-based awards			3		1
Weighted-average diluted shares			319		316
Diluted earnings per common share		$	1.53	$	1.45
Anti-dilutive options excluded from diluted
	earnings per common share		9.8		13.9

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