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, 2019	Jun. 30, 2018	Jun. 30, 2017
Foreign Currency Contracts | Revenue
Derivative [Line Items]
Gain/(loss) reclassified from AOCI into earnings for derivative instruments designated as cash flow hedges	$ 2	$ 1	$ (1)
Foreign Currency Contracts | Cost of Products Sold
Derivative [Line Items]
Gain/(loss) reclassified from AOCI into earnings for derivative instruments designated as cash flow hedges	0	0	(1)
Foreign Currency Contracts | SG&A Expenses
Derivative [Line Items]
Gain/(loss) reclassified from AOCI into earnings for derivative instruments designated as cash flow hedges	1	(2)	2
Commodity Contracts | SG&A Expenses
Derivative [Line Items]
Gain/(loss) reclassified from AOCI into earnings for derivative instruments designated as cash flow hedges	$ 0	$ 0	$ (3)