Computation of Earnings Per Share

6 Months Ended

Nov. 30, 2012

Earnings Per Share [Abstract]

Computation of Earnings Per Share

(3) Computation of Earnings Per Share

The calculation of basic and diluted earnings per common share for the periods ended November 30 was as follows (in millions, except per share amounts):

		Three Months Ended				Six Months Ended
		2012		2011		2012		2011
Basic earnings per common share:
Net earnings allocable to common shares(1)		$	437	$	495	$	895	$	959
Weighted-average common shares			314		315		314		316
Basic earnings per common share		$	1.39	$	1.57	$	2.85	$	3.04
Diluted earnings per common share:
Net earnings allocable to common shares(1)		$	437	$	495	$	895	$	959
Weighted-average common shares			314		315		314		316
Dilutive effect of share-based awards			1		1		2		1
Weighted-average diluted shares			315		316		316		317
Diluted earnings per common share		$	1.39	$	1.57	$	2.84	$	3.02
Anti-dilutive options excluded from diluted
earnings per common share			14.3		14.2		14.1		13.7
	(1) Net earnings available to participating securities were immaterial in all periods presented.