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CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables) | 12 Months Ended
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May 31, 2016
Cash, Cash Equivalents and Marketable Securities [Abstract] |
Cash, Cash Equivalents and Marketable Securities |
|  | May 31,
(in millions) |  | 2016 |  | 2015
Money market funds |  | $ | 3,750 |  | $ | —
U.S. Treasury securities |  |  | 214 |  |  | 668
Commercial paper debt securities |  |  | 2,155 |  |  | 9,203
Corporate debt securities and other |  |  | 35,274 |  |  | 28,844
Total investments |  | $ | 41,393 |  | $ | 38,715
Investments classified as cash equivalents |  | $ | 5,420 |  | $ | 6,063
Investments classified as marketable securities |  | $ | 35,973 |  | $ | 32,652

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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