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CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 12 Months Ended
May 31, 2021
Cash Cash Equivalents And Short Term Investments [Abstract]  
Cash, Cash Equivalents and Marketable Securities

 

 

 

May 31,

 

(in millions)

 

2021

 

 

2020

 

Money market funds

 

$

12,263

 

 

$

18,587

 

Corporate debt securities and other

 

 

9,470

 

 

 

6,625

 

Commercial paper debt securities

 

 

11,712

 

 

 

5,640

 

Total investments

 

$

33,445

 

 

$

30,852

 

Investments classified as cash equivalents

 

$

16,989

 

 

$

25,034

 

Investments classified as marketable securities

 

$

16,456

 

 

$

5,818