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Contingent Liabilities - Summary of Contingent Liabilities (Detail) - USD ($)
$ in Millions
Jun. 30, 2022
Jun. 30, 2021
Disclosure of contingent liabilities [line items]    
Contingent liabilities $ 2,466 $ 3,147
Associates and joint ventures [member]    
Disclosure of contingent liabilities [line items]    
Contingent liabilities 1,541 1,532
Subsidiaries and joint operations [member]    
Disclosure of contingent liabilities [line items]    
Contingent liabilities $ 925 $ 1,615