Financial Instruments (Schedule of the Fair Value of Assets and Liabilities Related to Derivatives Designated as Hedging Instruments) (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024
Derivatives, Fair Value [Line Items]
Total assets	$ 20	$ 16
Total liabilities	68	103
Designated as Hedging Instrument | Cash Flow Hedging | Foreign Currency Contracts | Prepaid Expenses and Other
Derivatives, Fair Value [Line Items]
Total assets	6	1
Designated as Hedging Instrument | Cash Flow Hedging | Foreign Currency Contracts | Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Total liabilities	1	8
Designated as Hedging Instrument | Fair Value Hedging | Interest Rate Swap | Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Total liabilities	43	94
Designated as Hedging Instrument | Fair Value Hedging | Cross Currency Interest Rate Contract [Member] | Prepaid Expenses and Other
Derivatives, Fair Value [Line Items]
Total assets	0	12
Designated as Hedging Instrument | Fair Value Hedging | Cross Currency Interest Rate Contract [Member] | Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Total liabilities	$ 24	$ 1