Computation of Earnings Per Share (Tables)

12 Months Ended

May 31, 2011

Computation Of Earnings Per Share (Tables) Abstract

Schedule of basic and diluted earnings per common share

		2011		2010		2009
Basic earnings per common share:
Net earnings allocable to common shares(1)		$	1,449	$	1,182	$	97
Weighted-average common shares			315		312		311
Basic earnings per common share		$	4.61	$	3.78	$	0.31
Diluted earnings per common share:
Net earnings allocable to common shares(1)		$	1,449	$	1,182	$	97
Weighted-average common shares			315		312		311
Dilutive effect of share-based awards			2		2		1
Weighted-average diluted shares			317		314		312
Diluted earnings per common share		$	4.57	$	3.76	$	0.31
Anti-dilutive options excluded from diluted
	earnings per common share		9.3		11.5		12.6
(1)	Net earnings available to participating securities were immaterial in all periods presented.