Financial Instruments (Schedule of the Fair Value of Assets and Liabilities Related to Derivatives Designated as Hedging Instruments) (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025
Derivatives, Fair Value [Line Items]
Total assets (1)	$ 25	$ 20
Total liabilities (2)	57	68
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Currency Contracts \| Balance Sheet Location [Axis]: us-gaap:AccruedLiabilitiesCurrentAndNoncurrent
Derivatives, Fair Value [Line Items]
Total liabilities (2)	3	1
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Currency Contracts \| Balance Sheet Location [Axis]: us-gaap:OtherAssets
Derivatives, Fair Value [Line Items]
Total assets (1)	9	6
Designated as Hedging Instrument \| Fair Value Hedging \| Interest Rate Swap \| Balance Sheet Location [Axis]: us-gaap:AccruedLiabilitiesCurrentAndNoncurrent
Derivatives, Fair Value [Line Items]
Total liabilities (2)	50	43
Designated as Hedging Instrument \| Fair Value Hedging \| Interest Rate Swap \| Balance Sheet Location [Axis]: us-gaap:OtherAssets
Derivatives, Fair Value [Line Items]
Total assets (1)	3	14
Designated as Hedging Instrument \| Fair Value Hedging \| Cross Currency Interest Rate Contract [Member] \| Balance Sheet Location [Axis]: us-gaap:AccruedLiabilitiesCurrentAndNoncurrent
Derivatives, Fair Value [Line Items]
Total liabilities (2)	4	24
Designated as Hedging Instrument \| Fair Value Hedging \| Cross Currency Interest Rate Contract [Member] \| Balance Sheet Location [Axis]: us-gaap:OtherAssets
Derivatives, Fair Value [Line Items]
Total assets (1)	$ 13	$ 0