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Financial Instruments (Schedule of Gain/(Loss) Included in AOCI for Derivative Instruments Designated as Cash Flow Hedges) (Details) - Cash Flow Hedging - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Forward Contracts [Member]      
Derivative [Line Items]      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax $ 0 $ 16 $ (16)
Commodity Contracts      
Derivative [Line Items]      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax 0 1 1
Foreign Currency Contracts      
Derivative [Line Items]      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax $ 3 $ 5 $ (8)