Leases - Summary of Movements in Lease Liabilities (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
|
| Disclosure of reconciliation of liabilities arising from financing activities [line items] | ||
| At the beginning of the financial year | $ 3,443 | |
| At the end of the financial year | 3,896 | $ 3,443 |
| Comprising: | ||
| Current liabilities | 889 | 853 |
| Non-current liabilities | 3,007 | 2,590 |
| Lease liabilities [member] | ||
| Disclosure of reconciliation of liabilities arising from financing activities [line items] | ||
| At the beginning of the financial year | 3,443 | 715 |
| IFRS 16 transition | 2,301 | |
| Additions | 1,223 | 436 |
| Remeasurements of index-linked freight contracts | (59) | 733 |
| Lease payments | (879) | (761) |
| Foreign exchange movement | 115 | (43) |
| Amortisation of discounting | 109 | 90 |
| Transfers and other movements | (56) | (28) |
| At the end of the financial year | 3,896 | 3,443 |
| Comprising: | ||
| Current liabilities | 889 | 853 |
| Non-current liabilities | $ 3,007 | $ 2,590 |