Computation of Earnings Per Share (Tables)

12 Months Ended

May. 31, 2015

Computation Of Earnings Per Share (Tables) [Abstract]

Schedule of basic and diluted earnings per common share

		2015		2014		2013
Basic earnings per common share:
Net earnings allocable to common shares(1)		$	1,048	$	2,320	$	2,711
Weighted-average common shares			283		307		315
Basic earnings per common share		$	3.70	$	7.56	$	8.61
Diluted earnings per common share:
Net earnings allocable to common shares(1)		$	1,048	$	2,320	$	2,711
Weighted-average common shares			283		307		315
Dilutive effect of share-based awards			4		3		2
Weighted-average diluted shares			287		310		317
Diluted earnings per common share		$	3.65	$	7.48	$	8.55
Anti-dilutive options excluded from diluted
	earnings per common share		2.1		3.3		11.1
(1)	Net earnings available to participating securities were immaterial in all periods presented.