FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
	May 31, 2026	Jun. 30, 2026	Jun. 30, 2025
Derivative [Line Items]
Maximum contract duration (in years)		2 years
Maximum duration, interest rate contracts (in years)		3 years
Cash flow hedge gain (loss) to be reclassified within twelve months		$ 22,000,000
Derivative instruments subject to contractually defined counterparty liability position limits		0	$ 2,000,000
Cash margin balances amount		2,000,000	2,000,000
Increase in deferred compensation plan		16,000,000
4.60%, $600 due May 2032
Derivative [Line Items]
Face value		600,000,000
Senior Notes
Derivative [Line Items]
Face value	$ 1,500,000,000
Senior Notes | 5.25%, $550 due May 2036
Derivative [Line Items]
Face value	$ 550,000,000
Debt instrument, term	10 years
Foreign exchange derivative contracts | Purchases of Inventory
Derivative [Line Items]
Derivative, notional amount		30,000,000	67,000,000
Interest rate derivative contracts
Derivative [Line Items]
Derivative, notional amount		0	0
Derivative, notional amount, additional contracts		200,000,000
Gain on derivative included in OCI		$ 5,000,000
Total Commodity Purchase Derivative Contracts
Derivative [Line Items]
Maximum duration, commodity contracts (in years)		2 years
Derivative, notional amount		$ 43,000,000	36,000,000
Soybean Oil Futures
Derivative [Line Items]
Derivative, notional amount		33,000,000	22,000,000
Jet Fuel Swaps
Derivative [Line Items]
Derivative, notional amount		$ 10,000,000	$ 14,000,000