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Financial Risk Management - Summary of Movement of Interest Bearing Liabilities and Related Derivatives (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018 | Jul. 01, 2019
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |  |
Proceeds from interest bearing liabilities | $ 514 | $ 250 | $ 528 |
Settlements of debt related instruments | (157) | (160) | (218) |
Repayment of interest bearing liabilities | (2,047) | (2,604) | (4,188) |
Change from Net financing cash flows | (1,690) | (2,514) |  |
Other movements: |  |  |  |
Leases recognised on IFRS 16 transition |  |  |  | $ 2,301
Bank loans [member] |  |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |  |
At the beginning of the financial year | 2,498 | 2,555 |  |
Proceeds from interest bearing liabilities | 514 | 250 |  |
Repayment of interest bearing liabilities | (522) | (308) |  |
Change from Net financing cash flows | (8) | (58) |  |
Other movements: |  |  |  |
Other interest bearing liabilities/derivative related changes | 2 | 1 |  |
At the end of the financial year | 2,492 | 2,498 | 2,555 |
Notes and debentures [member] |  |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |  |
At the beginning of the financial year | 21,529 | 23,298 |  |
Repayment of interest bearing liabilities | (859) | (2,198) |  |
Change from Net financing cash flows | (859) | (2,198) |  |
Other movements: |  |  |  |
Interest rate impacts | 720 | 729 |  |
Foreign exchange impacts | (354) | (311) |  |
Other interest bearing liabilities/derivative related changes | 9 | 11 |  |
At the end of the financial year | 21,045 | 21,529 | 23,298 |
Lease Liabilities [member] |  |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |  |
At the beginning of the financial year | 715 | 802 |  |
Repayment of interest bearing liabilities | (671) | (75) |  |
Change from Net financing cash flows | (671) | (75) |  |
Other movements: |  |  |  |
Foreign exchange impacts | (43) | (11) |  |
Leases recognised on IFRS 16 transition | 2,301 |  |  |
Lease additions | 436 |  |  |
Re-measurements of index-linked freight contracts | 733 |  |  |
Other interest bearing liabilities/derivative related changes | (28) | (1) |  |
At the end of the financial year | 3,443 | 715 | 802 |
Bank overdraft and short-term borrowings [member] |  |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |  |
At the beginning of the financial year | 20 | 58 |  |
Change from Net financing cash flows | 0 |  |  |
Other movements: |  |  |  |
Other interest bearing liabilities/derivative related changes | (20) | (38) |  |
At the end of the financial year | 0 | 20 | 58 |
Other interest bearing liabilities [member] |  |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |  |
At the beginning of the financial year | 66 | 92 |  |
Repayment of interest bearing liabilities | (5) | (23) |  |
Change from Net financing cash flows | 5 | (23) |  |
Other movements: |  |  |  |
Foreign exchange impacts | (4) |  |  |
Other interest bearing liabilities/derivative related changes | 1 | (3) |  |
At the end of the financial year | 68 | 66 | 92 |
Cross currency and interest rate swaps [member] |  |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |  |
At the beginning of the financial year | 204 | 805 |  |
Settlements of debt related instruments | (157) | (160) |  |
Change from Net financing cash flows | (157) | (160) |  |
Other movements: |  |  |  |
Interest rate impacts | (788) | (809) |  |
Foreign exchange impacts | 316 | 319 |  |
Other interest bearing liabilities/derivative related changes | (8) | 49 |  |
At the end of the financial year | $ (433) | $ 204 | $ 805 |

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