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Intangible Assets - Additional Information (Detail) - USD ($)
$ in Billions
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract]      
Intangible assets amortization expense $ 1.6 $ 1.9 $ 2.2