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Financial Risk Management - Summary of Movement of Interest Bearing Liabilities and Related Derivatives - Parenthetical (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Repayments of borrowings classified as financing activities including discontinued operations $ 3,391 $ 8,395
Discontinued operations [member]    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Repayments of borrowings classified as financing activities including discontinued operations $ 33 $ 38