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STOCKHOLDERS' EQUITY Narrative (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
6 Months Ended
Dec. 14, 2020
Nov. 30, 2020
Nov. 30, 2019
Stock Repurchases [Abstract]      
Amount available for future repurchases   $ 7,600  
Repurchases of common stock (in shares)   158.1 181.0
Repurchased amount   $ 9,000 $ 10,000
Repurchased shares that were not settled (in shares)   0.7  
Repurchased amount that was not settled   $ 38  
Stock-based compensation expense and valuations of stock awards [Abstract]      
Restricted stock-based units granted (in shares)   45.0  
Forfeitures and cancellations (in shares)   23.0  
Subsequent Event [Member]      
Dividends on Common Stock [Abstract]      
Dividends declared per share of outstanding common stock (in dollars per share) $ 0.24    
Dividend payable date Jan. 21, 2021    
Dividend record date Jan. 07, 2021