RISK MANAGEMENT ACTIVITIES AND FAIR VALUE MEASUREMENTS - GAINS AND LOSSES ON DERIVATIVES IN NET INVESTMENT HEDGES (Details) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net		$ 73	$ 60
Accumulated Other Comprehensive Income, Gain (Loss)		1,639	(918)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	[1],[2]	$ 1,033	$ (232)

[1] For the derivatives in net investment hedging relationships, the amount of gain excluded from effectiveness testing, which was recognized in earnings, was $73 and $60 for the fiscal years ended June 30, 2022 and 2021, respectively.

[2] In addition to the foreign currency derivative contracts designated as net investment hedges, certain of our foreign currency denominated debt instruments are designated as net investment hedges. The amount of gain/(loss) recognized in AOCI for such instruments was $1,639 and $(918), for the fiscal years ended June 30, 2022 and 2021, respectively.