Financial Instruments (Schedule of Outstanding Instruments, Cash Flow Hedges) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
SG&A Expenses
Derivative [Line Items]
OCI, Cash Flow Hedge, Reclassification for Discontinuance, Statement of Income or Comprehensive Income [Extensible Enumeration]	Distribution, selling, general, and administrative expenses	Distribution, selling, general, and administrative expenses	Distribution, selling, general, and administrative expenses
Fair Value Hedging | Interest Rate Swap
Derivative [Line Items]
Notional Amount	$ 1,600
Cash Flow Hedging | Foreign Currency Contracts
Derivative [Line Items]
Notional Amount	381	$ 401
Cash Flow Hedging | Foreign Currency Contracts | SG&A Expenses
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	(1)	0	$ 1
Cash Flow Hedging | Forward Contracts [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	2	2	$ 2
Designated as Hedging Instrument | Fair Value Hedging | Interest Rate Swap
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 500	$ 300