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Income Tax Expense - Summary of Income Tax Expense (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Major components of tax expense (income) [abstract]      
Current tax expense $ 10,673 $ 9,018 $ 4,285
Deferred tax expense/(benefit) 64 1,598 (88)
Total taxation expense $ 10,737 $ 10,616 $ 4,197