Computation of Earnings Per Share (Tables)

3 Months Ended

Aug. 31, 2013

Computation Of Earnings Per Share (Tables) [Abstract]

Schedule of basic and diluted earnings per common share

		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.