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Income Tax Expense - Summary of Income Tax Expense (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Major components of tax expense (income) [abstract]      
Current tax expense $ 6,690 $ 10,673 $ 9,018
Deferred tax expense 387 64 1,598
Total taxation expense $ 7,077 $ 10,737 $ 10,616