Computation of Earnings Per Share (Tables)

12 Months Ended

May 31, 2013

Computation Of Earnings Per Share (Tables) [Abstract]

Schedule of basic and diluted earnings per common share

		2013		2012		2011
Basic earnings per common share:
Net earnings allocable to common shares(1)		$	1,558	$	2,029	$	1,449
Weighted-average common shares			315		315		315
Basic earnings per common share		$	4.95	$	6.44	$	4.61
Diluted earnings per common share:
Net earnings allocable to common shares(1)		$	1,558	$	2,029	$	1,449
Weighted-average common shares			315		315		315
Dilutive effect of share-based awards			2		2		2
Weighted-average diluted shares			317		317		317
Diluted earnings per common share		$	4.91	$	6.41	$	4.57
Anti-dilutive options excluded from diluted
	earnings per common share		11.1		12.6		9.3
(1)	Net earnings available to participating securities were immaterial in all periods presented.