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STOCK PROGRAMS - Summary of Weighted-Average Grant Date Fair Value and Intrinsic Value of Stock Options Exercised (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Company Stock Option Plan      
Share-based Compensation Arrangement by Share-based Payment Award      
Per-share weighted-average grant date fair value of stock options granted (in dollars per share) $ 85.56 $ 54.83 $ 51.46
Intrinsic value of stock options exercised $ 276 $ 407 $ 309
DECIEM 2021 Stock Option Plan      
Share-based Compensation Arrangement by Share-based Payment Award      
Per-share weighted-average grant date fair value of stock options granted (in dollars per share) $ 0 $ 1,557 $ 0
Intrinsic value of stock options exercised $ 0 $ 0 $ 0