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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, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Proceeds from interest bearing liabilities | $ 568 | $ 514 | $ 250
Settlements of debt related instruments | 167 | (157) | (160)
Repayment of interest bearing liabilities | (8,395) | (2,047) | (2,604)
Change from Net financing cash flows | (7,660) | (1,690) |
Other movements: |  |  |
Loss on bond repurchase | 395 |  |
Bank loans [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
At the beginning of the financial year | 2,492 | 2,498 |
Proceeds from interest bearing liabilities | 504 | 514 |
Repayment of interest bearing liabilities | (737) | (522) |
Change from Net financing cash flows | (233) | (8) |
Other movements: |  |  |
Foreign exchange impacts | (1) |  |
Other interest bearing liabilities/derivative related changes | 2 | 2 |
At the end of the financial year | 2,260 | 2,492 | 2,498
Notes and debentures [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
At the beginning of the financial year | 21,045 | 21,529 |
Repayment of interest bearing liabilities | (6,888) | (859) |
Change from Net financing cash flows | (6,888) | (859) |
Other movements: |  |  |
Loss on bond repurchase | 579 |  |
Interest rate impacts | (764) | 720 |
Foreign exchange impacts | 798 | (354) |
Other interest bearing liabilities/derivative related changes | (1) | 9 |
At the end of the financial year | 14,769 | 21,045 | 21,529
Lease Liabilities [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
At the beginning of the financial year | 3,443 | 715 |
Repayment of interest bearing liabilities | (770) | (671) |
Change from Net financing cash flows | (770) | (671) |
Other movements: |  |  |
Foreign exchange impacts | 115 | (43) |
Leases recognised on IFRS 16 transition |  | 2,301 |
Lease additions | 1,223 | 436 |
Re-measurements of index-linked freight contracts | (59) | 733 |
Other interest bearing liabilities/derivative related changes | (56) | (28) |
At the end of the financial year | 3,896 | 3,443 | 715
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 |
Other movements: |  |  |
Other interest bearing liabilities/derivative related changes |  | (20) |
At the end of the financial year |  |  | 20
Other interest bearing liabilities [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
At the beginning of the financial year | 68 | 66 |
Proceeds from interest bearing liabilities | 64 |  |
Repayment of interest bearing liabilities |  | 5 |
Change from Net financing cash flows | 64 | 5 |
Other movements: |  |  |
Foreign exchange impacts | (14) | (4) |
Other interest bearing liabilities/derivative related changes | (60) | 1 |
At the end of the financial year | 58 | 68 | 66
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 | (433) | 204 |
Settlements of debt related instruments | 167 | (157) |
Change from Net financing cash flows | 167 | (157) |
Other movements: |  |  |
Loss on bond repurchase | (184) |  |
Interest rate impacts | 704 | (788) |
Foreign exchange impacts | (796) | 316 |
Other interest bearing liabilities/derivative related changes | (15) | (8) |
At the end of the financial year | $ (557) | $ (433) | $ 204

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