LEASES - Total Lease Costs and Other Information (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Finance lease cost:
Amortization of right-of-use assets	$ 6	$ 9	$ 11
Interest on lease liabilities	0	0	0
Operating lease cost	520	496	458
Short-term lease cost	40	32	45
Variable lease cost	234	252	227
Total	800	789	741
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	505	515	489
Financing cash flows from finance leases	3	5	10
Right-of-use assets obtained in exchange for new operating lease liabilities	293	537	466
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 1	$ 0	$ 1
Weighted-average remaining lease term – finance leases	16 years	16 years	16 years
Weighted-average remaining lease term – operating leases	8 years	8 years	9 years
Weighted-average discount rate – finance leases	0.20%	0.20%	0.30%
Weighted-average discount rate – operating leases	3.00%	2.80%	2.80%

Amount of cash outflow for amounts included in the measurement of lease liabilities.

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Amount of finance lease cost recognized.

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- Definition

Amount of interest expense on finance lease liability.

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Amount of cash outflow for principal payment on finance lease.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of lease cost recognized by lessee for lease contract.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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