Financial Instruments (Schedule of Gain/(Loss) Reclassified from AOCI into Earnings for Derivative Instruments Designated as Cash Flow Hedges) (Details) - Cash Flow Hedging - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Foreign Currency Contracts \| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	$ 16	$ (6)	$ 4
Foreign Currency Contracts \| Income Statement Location [Axis]: us-gaap:Revenues
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	0	3	1
Foreign Currency Contracts \| Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	(1)	(1)	0
Forward Contracts [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	$ 2	$ 2	$ 2