STOCKHOLDERS' EQUITY (Share Repurchase Programs) (Details) - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Share Repurchase Programs [Line Items]
Stock repurchased during period, value	$ 905	$ 242	$ 660
Stock repurchased during period, shares (in shares)	4,758	1,531	4,474
Open-market purchase program
Share Repurchase Programs [Line Items]
Stock repurchased during period, value	$ 500	$ 85	$ 328
Stock repurchased during period, shares (in shares)	2,774	577	2,266
Evergreen Program
Share Repurchase Programs [Line Items]
Stock repurchased during period, value	$ 405	$ 157	$ 332
Stock repurchased during period, shares (in shares)	1,984	954	2,208