EARNINGS PER SHARE

6 Months Ended

Nov. 30, 2014

Earnings Per Share [Abstract]

EARNINGS PER SHARE

13.    EARNINGS PER SHARE

Basic earnings per share is computed by dividing net income for the period by the weighted average number of common shares outstanding during the period. Diluted earnings per share is computed by dividing net income for the period by the weighted average number of common shares outstanding during the period, plus the dilutive effect of outstanding stock options, restricted stock-based awards and shares issuable under the employee stock purchase plan using the treasury stock method. The following table sets forth the computation of basic and diluted earnings per share:

	Three Months Ended November 30,				Six Months Ended November 30,
(in millions, except per share data)	2014		2013		2014		2013
Net income	$	2,502	$	2,553	$	4,685	$	4,744
Weighted average common shares outstanding		4,417		4,535		4,434		4,571
Dilutive effect of employee stock plans		88		65		93		66
Dilutive weighted average common shares outstanding		4,505		4,600		4,527		4,637
Basic earnings per share	$	0.57	$	0.56	$	1.06	$	1.04
Diluted earnings per share	$	0.56	$	0.56	$	1.04	$	1.02
Shares subject to anti-dilutive stock options and restricted stock-based awards excluded from calculation(1)		44		182		35		297

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(1) These weighted shares relate to anti-dilutive stock options and restricted stock-based awards as calculated using the treasury stock method and could be dilutive in the future.