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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, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Proceeds from interest bearing liabilities | $ 250 | $ 528 | $ 1,577
Settlements of debt related instruments | (160) | (218) | 36
Repayment of interest bearing liabilities | (2,604) | (4,188) | (7,114)
Change from Net financing cash flows | (2,514) | (3,878) |
Bank loans [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
At the beginning of the financial year | 2,555 | 2,281 |
Proceeds from interest bearing liabilities | 250 | 500 |
Repayment of interest bearing liabilities | (308) | (221) |
Change from Net financing cash flows | (58) | 279 |
Other movements: |  |  |
Other interest bearing liabilities/derivative related changes | 1 | (5) |
At the end of the financial year | 2,498 | 2,555 | 2,281
Notes and debentures [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
At the beginning of the financial year | 23,298 | 27,041 |
Repayment of interest bearing liabilities | (2,198) | (3,736) |
Change from Net financing cash flows | (2,198) | (3,736) |
Other movements: |  |  |
Interest rate impacts | 729 | (353) |
Foreign exchange impacts | (311) | 245 |
Other interest bearing liabilities/derivative related changes | 11 | 101 |
At the end of the financial year | 21,529 | 23,298 | 27,041
Finance leases [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
At the beginning of the financial year | 802 | 897 |
Repayment of interest bearing liabilities | (75) | (81) |
Change from Net financing cash flows | (75) | (81) |
Other movements: |  |  |
Foreign exchange impacts | (11) | (9) |
Other interest bearing liabilities/derivative related changes | (1) |  |
Liabilities transferred to held for sale |  | (5) |
At the end of the financial year | 715 | 802 | 897
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 | 58 | 45 |
Other movements: |  |  |
Other interest bearing liabilities/derivative related changes | (38) | 13 |
At the end of the financial year | 20 | 58 | 45
Other interest bearing liabilities [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
At the beginning of the financial year | 92 | 210 |
Proceeds from interest bearing liabilities |  | 28 |
Repayment of interest bearing liabilities | (23) | (150) |
Change from Net financing cash flows | (23) | (122) |
Other movements: |  |  |
Other interest bearing liabilities/derivative related changes | (3) | 4 |
At the end of the financial year | 66 | 92 | 210
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 | 805 | 740 |
Settlements of debt related instruments | (160) | (218) |
Change from Net financing cash flows | (160) | (218) |
Other movements: |  |  |
Interest rate impacts | (809) | 329 |
Foreign exchange impacts | 319 | (254) |
Other interest bearing liabilities/derivative related changes | 49 | 208 |
At the end of the financial year | $ 204 | $ 805 | $ 740

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