Three Months Ended

November 30,

Six Months Ended

November 30,

(in millions, except per share data)

2015

2014

2015

2014

Net income

$

2,197

$

2,502

$

3,945

$

4,685

Weighted average common shares outstanding

4,239

4,417

4,278

4,434

Dilutive effect of employee stock plans

77

88

86

93

Dilutive weighted average common shares outstanding

4,316

4,505

4,364

4,527

Basic earnings per share

$

0.52

$

0.57

$

0.92

$

1.06

Diluted earnings per share

$

0.51

$

0.56

$

0.90

$

1.04

Shares subject to anti-dilutive stock options and restricted stock-based awards excluded from calculation(1)

65

44

61

35