EARNINGS PER SHARE (Tables)

9 Months Ended

Feb. 28, 2013

Earnings Per Share [Abstract]

Earnings Per Share

	Three Months Ended				Nine Months Ended
(in millions, except per share data)	February 28, 2013		February 29, 2012		February 28, 2013		February 29, 2012
Net income	$	2,504	$	2,498	$	7,119	$	6,529
Weighted average common shares outstanding		4,735		5,007		4,798		5,037
Dilutive effect of employee stock plans		77		73		75		81
Dilutive weighted average common shares outstanding		4,812		5,080		4,873		5,118
Basic earnings per share	$	0.53	$	0.50	$	1.48	$	1.30
Diluted earnings per share	$	0.52	$	0.49	$	1.46	$	1.28
Shares subject to anti-dilutive stock options and restricted stock-based awards excluded from calculation(1)		210		118		207		106

(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.