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Net Finance Costs - Summary of Net Finance Costs (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Interest expense using the effective interest rate method:      
Interest on bank loans, overdrafts and all other borrowings $ 491 $ 607 $ 1,093
Interest capitalised at 2.90% (2021: 2.83%; 2020: 4.14%) (113) (204) (265)
Interest on lease liabilities 119 102 82
Discounting on provisions and other liabilities 645 353 343
Other gains and losses:      
Fair value change on hedged loans (1,286) (779) 721
Fair value change on hedging derivatives 1,277 704 (788)
Loss on bond repurchase   395  
Exchange variations on net debt (99) 99 (18)
Other 16 13 24
Total financial expenses 1,050 1,290 1,192
Financial income      
Interest income (81) (67) (334)
Net finance costs $ 969 $ 1,223 $ 858