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Leases - Summary of Amounts Recorded in Income Statement and Cash Flow Statements (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Disclosure Of Leases Recorded In Income Statement And Cash Flow Statements [Line Items]      
Depreciation of right of use assets $ 533 $ 975  
Short term, low-value and variable lease costs 795 847 $ 834
Interest on lease liabilities 130 119 102
Principal lease payments 576 1,130 732
Lease interest payments 130 119 102
Continuing operation [member]      
Disclosure Of Leases Recorded In Income Statement And Cash Flow Statements [Line Items]      
Depreciation of right of use assets $ 533 $ 964 $ 753