LEASES - Total Lease Costs and Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Finance lease cost:
Amortization of right-of-use assets	$ 11	$ 11	$ 12
Interest on lease liabilities	0	0	0
Operating lease cost	458	444	465
Short-term lease cost	45	41	24
Variable lease cost	227	213	332
Total	741	709	833
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	489	463	506
Financing cash flows from finance leases	10	15	18
Right-of-use assets obtained in exchange for new operating lease liabilities	466	273	279
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 1	$ 34	$ 10
Weighted-average remaining lease term – finance leases	16 years	14 years	3 years
Weighted-average remaining lease term – operating leases	9 years	9 years	9 years
Weighted-average discount rate – finance leases	0.30%	0.40%	1.00%
Weighted-average discount rate – operating leases	2.80%	2.50%	2.40%